diff --git a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
index d63154a..9831df6 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
+++ b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
@@ -310,6 +310,73 @@ X Pin_2 2 200 -100 150 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Connector_Generic_Conn_01x26
+#
+DEF Connector_Generic_Conn_01x26 J 0 40 Y N 1 F N
+F0 "J" 0 1300 50 H V C CNN
+F1 "Connector_Generic_Conn_01x26" 0 -1400 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_1x??_*
+$ENDFPLIST
+DRAW
+S -50 -1295 0 -1305 1 1 6 N
+S -50 -1195 0 -1205 1 1 6 N
+S -50 -1095 0 -1105 1 1 6 N
+S -50 -995 0 -1005 1 1 6 N
+S -50 -895 0 -905 1 1 6 N
+S -50 -795 0 -805 1 1 6 N
+S -50 -695 0 -705 1 1 6 N
+S -50 -595 0 -605 1 1 6 N
+S -50 -495 0 -505 1 1 6 N
+S -50 -395 0 -405 1 1 6 N
+S -50 -295 0 -305 1 1 6 N
+S -50 -195 0 -205 1 1 6 N
+S -50 -95 0 -105 1 1 6 N
+S -50 5 0 -5 1 1 6 N
+S -50 105 0 95 1 1 6 N
+S -50 205 0 195 1 1 6 N
+S -50 305 0 295 1 1 6 N
+S -50 405 0 395 1 1 6 N
+S -50 505 0 495 1 1 6 N
+S -50 605 0 595 1 1 6 N
+S -50 705 0 695 1 1 6 N
+S -50 805 0 795 1 1 6 N
+S -50 905 0 895 1 1 6 N
+S -50 1005 0 995 1 1 6 N
+S -50 1105 0 1095 1 1 6 N
+S -50 1205 0 1195 1 1 6 N
+S -50 1250 50 -1350 1 1 10 f
+X Pin_1 1 -200 1200 150 R 50 50 1 1 P
+X Pin_10 10 -200 300 150 R 50 50 1 1 P
+X Pin_11 11 -200 200 150 R 50 50 1 1 P
+X Pin_12 12 -200 100 150 R 50 50 1 1 P
+X Pin_13 13 -200 0 150 R 50 50 1 1 P
+X Pin_14 14 -200 -100 150 R 50 50 1 1 P
+X Pin_15 15 -200 -200 150 R 50 50 1 1 P
+X Pin_16 16 -200 -300 150 R 50 50 1 1 P
+X Pin_17 17 -200 -400 150 R 50 50 1 1 P
+X Pin_18 18 -200 -500 150 R 50 50 1 1 P
+X Pin_19 19 -200 -600 150 R 50 50 1 1 P
+X Pin_2 2 -200 1100 150 R 50 50 1 1 P
+X Pin_20 20 -200 -700 150 R 50 50 1 1 P
+X Pin_21 21 -200 -800 150 R 50 50 1 1 P
+X Pin_22 22 -200 -900 150 R 50 50 1 1 P
+X Pin_23 23 -200 -1000 150 R 50 50 1 1 P
+X Pin_24 24 -200 -1100 150 R 50 50 1 1 P
+X Pin_25 25 -200 -1200 150 R 50 50 1 1 P
+X Pin_26 26 -200 -1300 150 R 50 50 1 1 P
+X Pin_3 3 -200 1000 150 R 50 50 1 1 P
+X Pin_4 4 -200 900 150 R 50 50 1 1 P
+X Pin_5 5 -200 800 150 R 50 50 1 1 P
+X Pin_6 6 -200 700 150 R 50 50 1 1 P
+X Pin_7 7 -200 600 150 R 50 50 1 1 P
+X Pin_8 8 -200 500 150 R 50 50 1 1 P
+X Pin_9 9 -200 400 150 R 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device_C
 #
 DEF Device_C C 0 10 N Y 1 F N
diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch b/pat80-computer/hardware/schematics/pat80/pat80.sch
index 03ad99f..ff6573b 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80.sch
+++ b/pat80-computer/hardware/schematics/pat80/pat80.sch
@@ -632,7 +632,7 @@ L 74xx:74HC04 U11
 U 6 1 605236EF
 P 2950 5650
 F 0 "U11" V 2904 5830 50  0000 L CNN
-F 1 "74LS32" V 2995 5830 50  0000 L CNN
+F 1 "74HC04" V 2995 5830 50  0000 L CNN
 F 2 "" H 2950 5650 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 5650 50  0001 C CNN
 	6    2950 5650
@@ -835,7 +835,7 @@ L 74xx:74HC04 U11
 U 5 1 605A807A
 P 2950 6250
 F 0 "U11" V 2904 6430 50  0000 L CNN
-F 1 "74LS32" V 2995 6430 50  0000 L CNN
+F 1 "74HC04" V 2995 6430 50  0000 L CNN
 F 2 "" H 2950 6250 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 6250 50  0001 C CNN
 	5    2950 6250
@@ -944,17 +944,6 @@ Wire Wire Line
 	7400 8050 7400 8150
 Connection ~ 7500 8050
 $Comp
-L Device:R R3
-U 1 1 60661B57
-P 2500 6850
-F 0 "R3" V 2293 6850 50  0000 C CNN
-F 1 "10k" V 2384 6850 50  0000 C CNN
-F 2 "" V 2430 6850 50  0001 C CNN
-F 3 "~" H 2500 6850 50  0001 C CNN
-	1    2500 6850
-	0    1    1    0   
-$EndComp
-$Comp
 L Device:R R2
 U 1 1 60662809
 P 2200 6950
@@ -976,15 +965,6 @@ F 3 "" H 2050 6600 50  0001 C CNN
 	1    2050 6600
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	2050 6600 2050 6850
-Wire Wire Line
-	2350 6850 2050 6850
-Connection ~ 2050 6850
-Wire Wire Line
-	2050 6850 2050 6950
-Wire Wire Line
-	2650 6850 4200 6850
 Wire Wire Line
 	2350 6950 3050 6950
 $Comp
@@ -1223,7 +1203,7 @@ L 74xx:74HC04 U11
 U 2 1 60689B1C
 P 9150 2000
 F 0 "U11" H 9150 2317 50  0000 C CNN
-F 1 "74LS32" H 9150 2226 50  0000 C CNN
+F 1 "74HC04" H 9150 2226 50  0000 C CNN
 F 2 "" H 9150 2000 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 2000 50  0001 C CNN
 	2    9150 2000
@@ -1240,7 +1220,7 @@ P 9150 1000
 F 0 "U11" H 9150 1317 50  0000 C CNN
 F 1 "74HC04" H 9150 1226 50  0000 C CNN
 F 2 "" H 9150 1000 50  0001 C CNN
-F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 9150 1000 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 1000 50  0001 C CNN
 	1    9150 1000
 	1    0    0    -1  
 $EndComp
@@ -1882,51 +1862,51 @@ I/O Data transceiver
 $Comp
 L power:GND #PWR010
 U 1 1 60AC0139
-P 4100 2600
-F 0 "#PWR010" H 4100 2350 50  0001 C CNN
-F 1 "GND" H 4105 2427 50  0000 C CNN
-F 2 "" H 4100 2600 50  0001 C CNN
-F 3 "" H 4100 2600 50  0001 C CNN
-	1    4100 2600
+P 3200 10250
+F 0 "#PWR010" H 3200 10000 50  0001 C CNN
+F 1 "GND" H 3205 10077 50  0000 C CNN
+F 2 "" H 3200 10250 50  0001 C CNN
+F 3 "" H 3200 10250 50  0001 C CNN
+	1    3200 10250
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C C7
 U 1 1 60AC0A76
-P 4100 2150
-F 0 "C7" H 4215 2196 50  0000 L CNN
-F 1 "470uF" H 4215 2105 50  0000 L CNN
-F 2 "" H 4138 2000 50  0001 C CNN
-F 3 "~" H 4100 2150 50  0001 C CNN
-	1    4100 2150
+P 3200 9800
+F 0 "C7" H 3315 9846 50  0000 L CNN
+F 1 "470uF" H 3315 9755 50  0000 L CNN
+F 2 "" H 3238 9650 50  0001 C CNN
+F 3 "~" H 3200 9800 50  0001 C CNN
+	1    3200 9800
 	1    0    0    -1  
 $EndComp
 $Comp
 L power:VCC #PWR09
 U 1 1 60AC1A8F
-P 4100 1650
-F 0 "#PWR09" H 4100 1500 50  0001 C CNN
-F 1 "VCC" H 4117 1823 50  0000 C CNN
-F 2 "" H 4100 1650 50  0001 C CNN
-F 3 "" H 4100 1650 50  0001 C CNN
-	1    4100 1650
+P 3200 9300
+F 0 "#PWR09" H 3200 9150 50  0001 C CNN
+F 1 "VCC" H 3217 9473 50  0000 C CNN
+F 2 "" H 3200 9300 50  0001 C CNN
+F 3 "" H 3200 9300 50  0001 C CNN
+	1    3200 9300
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4100 1650 4100 2000
+	3200 9300 3200 9650
 Wire Wire Line
-	4100 2300 4100 2600
-Text Notes 2850 2850 0    50   ~ 0
+	3200 9950 3200 10250
+Text Notes 1950 10500 0    50   ~ 0
 Power input
 $Comp
 L Connector:Conn_01x02_Male J2
 U 1 1 60AE4278
-P 1950 2050
-F 0 "J2" H 2058 2231 50  0000 C CNN
-F 1 "Power input" H 2058 2140 50  0000 C CNN
-F 2 "" H 1950 2050 50  0001 C CNN
-F 3 "~" H 1950 2050 50  0001 C CNN
-	1    1950 2050
+P 1050 9700
+F 0 "J2" H 1158 9881 50  0000 C CNN
+F 1 "Power input" H 1158 9790 50  0000 C CNN
+F 2 "" H 1050 9700 50  0001 C CNN
+F 3 "~" H 1050 9700 50  0001 C CNN
+	1    1050 9700
 	1    0    0    -1  
 $EndComp
 $Comp
@@ -1987,71 +1967,271 @@ Wire Wire Line
 $Comp
 L Regulator_Linear:LM7805_TO220 U30
 U 1 1 60B8B756
-P 3050 2000
-F 0 "U30" H 3050 2242 50  0000 C CNN
-F 1 "LM7805_TO220" H 3050 2151 50  0000 C CNN
-F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 3050 2225 50  0001 C CIN
-F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 3050 1950 50  0001 C CNN
-	1    3050 2000
+P 2150 9650
+F 0 "U30" H 2150 9892 50  0000 C CNN
+F 1 "LM7805_TO220" H 2150 9801 50  0000 C CNN
+F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2150 9875 50  0001 C CIN
+F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 2150 9600 50  0001 C CNN
+	1    2150 9650
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C C4
 U 1 1 60B9FCED
-P 2500 2150
-F 0 "C4" H 2615 2196 50  0000 L CNN
-F 1 "0,22uF" H 2615 2105 50  0000 L CNN
-F 2 "" H 2538 2000 50  0001 C CNN
-F 3 "~" H 2500 2150 50  0001 C CNN
-	1    2500 2150
+P 1600 9800
+F 0 "C4" H 1715 9846 50  0000 L CNN
+F 1 "0,22uF" H 1715 9755 50  0000 L CNN
+F 2 "" H 1638 9650 50  0001 C CNN
+F 3 "~" H 1600 9800 50  0001 C CNN
+	1    1600 9800
 	1    0    0    -1  
 $EndComp
 $Comp
 L Device:C C5
 U 1 1 60BB291F
-P 3600 2150
-F 0 "C5" H 3715 2196 50  0000 L CNN
-F 1 "0,1uF" H 3715 2105 50  0000 L CNN
-F 2 "" H 3638 2000 50  0001 C CNN
-F 3 "~" H 3600 2150 50  0001 C CNN
-	1    3600 2150
+P 2700 9800
+F 0 "C5" H 2815 9846 50  0000 L CNN
+F 1 "0,1uF" H 2815 9755 50  0000 L CNN
+F 2 "" H 2738 9650 50  0001 C CNN
+F 3 "~" H 2700 9800 50  0001 C CNN
+	1    2700 9800
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2500 2000 2750 2000
+	1600 9650 1850 9650
 Wire Wire Line
-	3350 2000 3600 2000
-Connection ~ 4100 2000
-Connection ~ 3600 2000
+	2450 9650 2700 9650
+Connection ~ 3200 9650
+Connection ~ 2700 9650
 Wire Wire Line
-	3600 2000 4100 2000
+	2700 9650 3200 9650
 Wire Wire Line
-	2150 2150 2150 2300
+	1250 9800 1250 9950
 Wire Wire Line
-	2150 2300 2500 2300
-Connection ~ 4100 2300
-Connection ~ 2500 2300
+	1250 9950 1600 9950
+Connection ~ 3200 9950
+Connection ~ 1600 9950
 Wire Wire Line
-	2500 2300 3050 2300
-Connection ~ 3050 2300
+	1600 9950 2150 9950
+Connection ~ 2150 9950
 Wire Wire Line
-	3050 2300 3600 2300
-Connection ~ 3600 2300
+	2150 9950 2700 9950
+Connection ~ 2700 9950
 Wire Wire Line
-	3600 2300 4100 2300
+	2700 9950 3200 9950
 Wire Wire Line
-	2150 2050 2150 2000
+	1250 9700 1250 9650
 Wire Wire Line
-	2150 2000 2500 2000
-Connection ~ 2500 2000
+	1250 9650 1600 9650
+Connection ~ 1600 9650
+Text GLabel 1550 1150 1    50   BiDi ~ 0
+IOBUS
+Entry Wire Line
+	1550 1700 1650 1800
+Entry Wire Line
+	1550 1800 1650 1900
+Entry Wire Line
+	1550 1900 1650 2000
+Entry Wire Line
+	1550 2000 1650 2100
+Entry Wire Line
+	1550 2100 1650 2200
+Entry Wire Line
+	1550 2200 1650 2300
+Entry Wire Line
+	1550 2300 1650 2400
+Entry Wire Line
+	1550 2400 1650 2500
+Entry Wire Line
+	1550 2500 1650 2600
+Entry Wire Line
+	1550 2600 1650 2700
+Entry Wire Line
+	1550 2700 1650 2800
+Entry Wire Line
+	1550 2800 1650 2900
+Entry Wire Line
+	1550 2900 1650 3000
+Entry Wire Line
+	1550 3000 1650 3100
+Entry Wire Line
+	1550 3100 1650 3200
+Entry Wire Line
+	1550 3200 1650 3300
+Entry Wire Line
+	1550 3300 1650 3400
+Entry Wire Line
+	1550 3400 1650 3500
+Entry Wire Line
+	1550 3500 1650 3600
+Entry Wire Line
+	1550 3600 1650 3700
+Entry Wire Line
+	1550 3700 1650 3800
+Entry Wire Line
+	1550 3800 1650 3900
+Entry Wire Line
+	1550 3900 1650 4000
+Entry Wire Line
+	1550 4000 1650 4100
+Wire Wire Line
+	1650 1800 2000 1800
+Wire Wire Line
+	1650 1900 2000 1900
+Wire Wire Line
+	1650 2000 2000 2000
+Wire Wire Line
+	1650 2100 2000 2100
+Wire Wire Line
+	1650 2200 2000 2200
+Wire Wire Line
+	1650 2300 2000 2300
+Wire Wire Line
+	1650 2400 2000 2400
+Wire Wire Line
+	1650 2500 2000 2500
+Wire Wire Line
+	1650 2600 2000 2600
+Wire Wire Line
+	1650 2700 2000 2700
+Wire Wire Line
+	1650 2800 2000 2800
+Wire Wire Line
+	1650 2900 2000 2900
+Wire Wire Line
+	1650 3000 2000 3000
+Wire Wire Line
+	1650 3100 2000 3100
+Wire Wire Line
+	1650 3200 2000 3200
+Wire Wire Line
+	1650 3300 2000 3300
+Wire Wire Line
+	1650 3400 2000 3400
+Wire Wire Line
+	1650 3500 2000 3500
+Wire Wire Line
+	1650 3600 2000 3600
+Wire Wire Line
+	1650 3700 2000 3700
+Wire Wire Line
+	1650 3800 2000 3800
+Wire Wire Line
+	1650 3900 2000 3900
+Wire Wire Line
+	1650 4000 2000 4000
+Wire Wire Line
+	1650 4100 2000 4100
+$Comp
+L Connector_Generic:Conn_01x26 IOBUS
+U 1 1 60940D54
+P 2200 2800
+F 0 "IOBUS" H 2280 2792 50  0000 L CNN
+F 1 "IO_bus_conn" H 2280 2701 50  0000 L CNN
+F 2 "" H 2200 2800 50  0001 C CNN
+F 3 "~" H 2200 2800 50  0001 C CNN
+	1    2200 2800
+	1    0    0    -1  
+$EndComp
+Entry Wire Line
+	1550 1500 1650 1600
+Entry Wire Line
+	1550 1600 1650 1700
+Wire Wire Line
+	1650 1600 2000 1600
+Wire Wire Line
+	1650 1700 2000 1700
+Text Label 1650 1600 0    50   ~ 0
+IOVCC
+Text Label 1650 1700 0    50   ~ 0
+IOGND
+Text Label 1650 4000 0    50   ~ 0
+IOGND
+Text Label 1650 4100 0    50   ~ 0
+IOVCC
+Text Label 1650 1800 0    50   ~ 0
+IOEN0
+Text Label 1650 1900 0    50   ~ 0
+IOEN1
+Text Label 1650 2000 0    50   ~ 0
+IOEN2
+Text Label 1650 2100 0    50   ~ 0
+IOEN3
+Text Label 1650 2200 0    50   ~ 0
+IOEN4
+Text Label 1650 2300 0    50   ~ 0
+IOEN5
+Text Label 1650 2400 0    50   ~ 0
+IOEN6
+Text Label 1650 2500 0    50   ~ 0
+IOEN7
+Text Label 1650 2600 0    50   ~ 0
+IOADDR0
+Text Label 1650 2700 0    50   ~ 0
+IOADDR1
+Text Label 1650 2800 0    50   ~ 0
+IOADDR2
+Text Label 1650 2900 0    50   ~ 0
+IOADDR3
+Text Label 1650 3000 0    50   ~ 0
+IOADDR4
+Text Label 1650 3100 0    50   ~ 0
+IOD0
+Text Label 1650 3200 0    50   ~ 0
+IOD1
+Text Label 1650 3300 0    50   ~ 0
+IOD2
+Text Label 1650 3400 0    50   ~ 0
+IOD3
+Text Label 1650 3500 0    50   ~ 0
+IOD4
+Text Label 1650 3600 0    50   ~ 0
+IOD5
+Text Label 1650 3700 0    50   ~ 0
+IOD6
+Text Label 1650 3800 0    50   ~ 0
+IOD7
+Text Label 1650 3900 0    50   ~ 0
+IOWR
+Wire Wire Line
+	2650 6850 4200 6850
+Wire Wire Line
+	2050 6850 2050 6950
+Wire Wire Line
+	2050 6600 2050 6850
+Connection ~ 2050 6850
+Wire Wire Line
+	2350 6850 2050 6850
+$Comp
+L Device:R R3
+U 1 1 60661B57
+P 2500 6850
+F 0 "R3" V 2293 6850 50  0000 C CNN
+F 1 "10k" V 2384 6850 50  0000 C CNN
+F 2 "" V 2430 6850 50  0001 C CNN
+F 3 "~" H 2500 6850 50  0001 C CNN
+	1    2500 6850
+	0    1    1    0   
+$EndComp
+$Comp
+L Connector:Conn_01x01_Male J?
+U 1 1 60B92792
+P 2800 6650
+F 0 "J?" V 2862 6694 50  0000 L CNN
+F 1 "nmi" V 2953 6694 50  0000 L CNN
+F 2 "" H 2800 6650 50  0001 C CNN
+F 3 "~" H 2800 6650 50  0001 C CNN
+	1    2800 6650
+	0    1    1    0   
+$EndComp
+Wire Bus Line
+	11450 5900 11450 6650
 Wire Bus Line
 	7800 5900 10350 5900
 Wire Bus Line
 	7800 7450 10350 7450
 Wire Bus Line
 	6000 8050 6000 9150
-Wire Bus Line
-	11450 5900 11450 6650
 Wire Bus Line
 	6000 6350 6000 7850
 Wire Bus Line
@@ -2062,4 +2242,6 @@ Wire Bus Line
 	7100 2150 7100 3650
 Wire Bus Line
 	14150 1700 14150 7600
+Wire Bus Line
+	1550 1150 1550 4000
 $EndSCHEMATC
diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
index 1d017aa..ca3d035 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
+++ b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
@@ -469,10 +469,10 @@ F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 8600 8050 50
 	0    -1   -1   0   
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR019
 U 1 1 60507104
 P 9700 6500
-F 0 "#PWR?" H 9700 6250 50  0001 C CNN
+F 0 "#PWR019" H 9700 6250 50  0001 C CNN
 F 1 "GND" H 9705 6327 50  0000 C CNN
 F 2 "" H 9700 6500 50  0001 C CNN
 F 3 "" H 9700 6500 50  0001 C CNN
@@ -480,10 +480,10 @@ F 3 "" H 9700 6500 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR020
 U 1 1 6050737A
 P 9700 8050
-F 0 "#PWR?" H 9700 7800 50  0001 C CNN
+F 0 "#PWR020" H 9700 7800 50  0001 C CNN
 F 1 "GND" H 9705 7877 50  0000 C CNN
 F 2 "" H 9700 8050 50  0001 C CNN
 F 3 "" H 9700 8050 50  0001 C CNN
@@ -491,10 +491,10 @@ F 3 "" H 9700 8050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR013
 U 1 1 605076F8
 P 4900 8950
-F 0 "#PWR?" H 4900 8700 50  0001 C CNN
+F 0 "#PWR013" H 4900 8700 50  0001 C CNN
 F 1 "GND" H 4905 8777 50  0000 C CNN
 F 2 "" H 4900 8950 50  0001 C CNN
 F 3 "" H 4900 8950 50  0001 C CNN
@@ -502,10 +502,10 @@ F 3 "" H 4900 8950 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR012
 U 1 1 60507B8E
 P 4900 5450
-F 0 "#PWR?" H 4900 5300 50  0001 C CNN
+F 0 "#PWR012" H 4900 5300 50  0001 C CNN
 F 1 "VCC" H 4917 5623 50  0000 C CNN
 F 2 "" H 4900 5450 50  0001 C CNN
 F 3 "" H 4900 5450 50  0001 C CNN
@@ -513,10 +513,10 @@ F 3 "" H 4900 5450 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR017
 U 1 1 60507E3C
 P 7500 6500
-F 0 "#PWR?" H 7500 6350 50  0001 C CNN
+F 0 "#PWR017" H 7500 6350 50  0001 C CNN
 F 1 "VCC" H 7517 6673 50  0000 C CNN
 F 2 "" H 7500 6500 50  0001 C CNN
 F 3 "" H 7500 6500 50  0001 C CNN
@@ -524,10 +524,10 @@ F 3 "" H 7500 6500 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR018
 U 1 1 605080EF
 P 7500 8050
-F 0 "#PWR?" H 7500 7900 50  0001 C CNN
+F 0 "#PWR018" H 7500 7900 50  0001 C CNN
 F 1 "VCC" H 7517 8223 50  0000 C CNN
 F 2 "" H 7500 8050 50  0001 C CNN
 F 3 "" H 7500 8050 50  0001 C CNN
@@ -535,10 +535,10 @@ F 3 "" H 7500 8050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR08
 U 1 1 60508CD5
 P 4050 8550
-F 0 "#PWR?" H 4050 8400 50  0001 C CNN
+F 0 "#PWR08" H 4050 8400 50  0001 C CNN
 F 1 "VCC" H 4067 8723 50  0000 C CNN
 F 2 "" H 4050 8550 50  0001 C CNN
 F 3 "" H 4050 8550 50  0001 C CNN
@@ -559,10 +559,10 @@ $EndComp
 Wire Wire Line
 	4200 7450 4050 7450
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR07
 U 1 1 6050EE1E
 P 4050 7450
-F 0 "#PWR?" H 4050 7300 50  0001 C CNN
+F 0 "#PWR07" H 4050 7300 50  0001 C CNN
 F 1 "VCC" H 4067 7623 50  0000 C CNN
 F 2 "" H 4050 7450 50  0001 C CNN
 F 3 "" H 4050 7450 50  0001 C CNN
@@ -570,10 +570,10 @@ F 3 "" H 4050 7450 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C8
 U 1 1 6055A1F9
 P 5300 5450
-F 0 "C?" V 5048 5450 50  0000 C CNN
+F 0 "C8" V 5048 5450 50  0000 C CNN
 F 1 "100nF" V 5139 5450 50  0000 C CNN
 F 2 "" H 5338 5300 50  0001 C CNN
 F 3 "~" H 5300 5450 50  0001 C CNN
@@ -581,10 +581,10 @@ F 3 "~" H 5300 5450 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C9
 U 1 1 6055A9DD
 P 5300 5650
-F 0 "C?" V 5048 5650 50  0000 C CNN
+F 0 "C9" V 5048 5650 50  0000 C CNN
 F 1 "56pF" V 5139 5650 50  0000 C CNN
 F 2 "" H 5338 5500 50  0001 C CNN
 F 3 "~" H 5300 5650 50  0001 C CNN
@@ -594,10 +594,10 @@ $EndComp
 Wire Wire Line
 	5450 5450 5450 5550
 $Comp
-L power:GND #PWR?
+L power:GND #PWR014
 U 1 1 60567CC3
 P 5550 5550
-F 0 "#PWR?" H 5550 5300 50  0001 C CNN
+F 0 "#PWR014" H 5550 5300 50  0001 C CNN
 F 1 "GND" H 5555 5377 50  0000 C CNN
 F 2 "" H 5550 5550 50  0001 C CNN
 F 3 "" H 5550 5550 50  0001 C CNN
@@ -632,7 +632,7 @@ L 74xx:74HC04 U11
 U 6 1 605236EF
 P 2950 5650
 F 0 "U11" V 2904 5830 50  0000 L CNN
-F 1 "74LS32" V 2995 5830 50  0000 L CNN
+F 1 "74HC04" V 2995 5830 50  0000 L CNN
 F 2 "" H 2950 5650 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 5650 50  0001 C CNN
 	6    2950 5650
@@ -652,10 +652,10 @@ Connection ~ 4100 5150
 Wire Wire Line
 	4200 5150 4100 5150
 $Comp
-L Device:R R?
+L Device:R R5
 U 1 1 60584118
 P 4350 5150
-F 0 "R?" H 4420 5196 50  0000 L CNN
+F 0 "R5" H 4420 5196 50  0000 L CNN
 F 1 "270k" H 4420 5105 50  0000 L CNN
 F 2 "" V 4280 5150 50  0001 C CNN
 F 3 "~" H 4350 5150 50  0001 C CNN
@@ -672,10 +672,10 @@ Wire Wire Line
 Wire Wire Line
 	3600 5150 3450 5150
 $Comp
-L power:GND #PWR?
+L power:GND #PWR06
 U 1 1 605315B7
 P 3450 5150
-F 0 "#PWR?" H 3450 4900 50  0001 C CNN
+F 0 "#PWR06" H 3450 4900 50  0001 C CNN
 F 1 "GND" H 3455 4977 50  0000 C CNN
 F 2 "" H 3450 5150 50  0001 C CNN
 F 3 "" H 3450 5150 50  0001 C CNN
@@ -683,10 +683,10 @@ F 3 "" H 3450 5150 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR011
 U 1 1 60530F78
 P 4650 5150
-F 0 "#PWR?" H 4650 5000 50  0001 C CNN
+F 0 "#PWR011" H 4650 5000 50  0001 C CNN
 F 1 "VCC" H 4667 5323 50  0000 C CNN
 F 2 "" H 4650 5150 50  0001 C CNN
 F 3 "" H 4650 5150 50  0001 C CNN
@@ -702,10 +702,10 @@ Wire Wire Line
 Wire Wire Line
 	3950 5500 4100 5500
 $Comp
-L Device:C C?
+L Device:C C6
 U 1 1 6052B4C4
 P 3800 5500
-F 0 "C?" H 3915 5546 50  0000 L CNN
+F 0 "C6" H 3915 5546 50  0000 L CNN
 F 1 "10uF" H 3915 5455 50  0000 L CNN
 F 2 "" H 3838 5350 50  0001 C CNN
 F 3 "~" H 3800 5500 50  0001 C CNN
@@ -735,10 +735,10 @@ F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 4100 5900 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C2
 U 1 1 605648D0
 P 1850 5350
-F 0 "C?" V 1598 5350 50  0000 C CNN
+F 0 "C2" V 1598 5350 50  0000 C CNN
 F 1 "30pF" V 1689 5350 50  0000 C CNN
 F 2 "" H 1888 5200 50  0001 C CNN
 F 3 "~" H 1850 5350 50  0001 C CNN
@@ -746,10 +746,10 @@ F 3 "~" H 1850 5350 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C3
 U 1 1 60567676
 P 1850 5950
-F 0 "C?" V 1598 5950 50  0000 C CNN
+F 0 "C3" V 1598 5950 50  0000 C CNN
 F 1 "30pF" V 1689 5950 50  0000 C CNN
 F 2 "" H 1888 5800 50  0001 C CNN
 F 3 "~" H 1850 5950 50  0001 C CNN
@@ -757,10 +757,10 @@ F 3 "~" H 1850 5950 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR02
 U 1 1 6056B22E
 P 1600 5350
-F 0 "#PWR?" H 1600 5100 50  0001 C CNN
+F 0 "#PWR02" H 1600 5100 50  0001 C CNN
 F 1 "GND" H 1605 5177 50  0000 C CNN
 F 2 "" H 1600 5350 50  0001 C CNN
 F 3 "" H 1600 5350 50  0001 C CNN
@@ -768,10 +768,10 @@ F 3 "" H 1600 5350 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR03
 U 1 1 6056C411
 P 1600 5950
-F 0 "#PWR?" H 1600 5700 50  0001 C CNN
+F 0 "#PWR03" H 1600 5700 50  0001 C CNN
 F 1 "GND" H 1605 5777 50  0000 C CNN
 F 2 "" H 1600 5950 50  0001 C CNN
 F 3 "" H 1600 5950 50  0001 C CNN
@@ -783,10 +783,10 @@ Wire Wire Line
 Wire Wire Line
 	1600 5350 1700 5350
 $Comp
-L Device:R R?
+L Device:R R1
 U 1 1 60581F4C
 P 2150 5650
-F 0 "R?" H 2220 5696 50  0000 L CNN
+F 0 "R1" H 2220 5696 50  0000 L CNN
 F 1 "3,3M" H 2220 5605 50  0000 L CNN
 F 2 "" V 2080 5650 50  0001 C CNN
 F 3 "~" H 2150 5650 50  0001 C CNN
@@ -794,10 +794,10 @@ F 3 "~" H 2150 5650 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:Crystal Y?
+L Device:Crystal Y1
 U 1 1 6058BCE7
 P 2500 5650
-F 0 "Y?" V 2454 5781 50  0000 L CNN
+F 0 "Y1" V 2454 5781 50  0000 L CNN
 F 1 "4Mhz" V 2545 5781 50  0000 L CNN
 F 2 "" H 2500 5650 50  0001 C CNN
 F 3 "~" H 2500 5650 50  0001 C CNN
@@ -835,7 +835,7 @@ L 74xx:74HC04 U11
 U 5 1 605A807A
 P 2950 6250
 F 0 "U11" V 2904 6430 50  0000 L CNN
-F 1 "74LS32" V 2995 6430 50  0000 L CNN
+F 1 "74HC04" V 2995 6430 50  0000 L CNN
 F 2 "" H 2950 6250 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 2950 6250 50  0001 C CNN
 	5    2950 6250
@@ -847,10 +847,10 @@ Connection ~ 2950 5950
 Wire Wire Line
 	4200 6550 2950 6550
 $Comp
-L Device:C C?
+L Device:C C11
 U 1 1 606345AE
 P 7100 6600
-F 0 "C?" V 6848 6600 50  0000 C CNN
+F 0 "C11" V 6848 6600 50  0000 C CNN
 F 1 "100nF" V 6939 6600 50  0000 C CNN
 F 2 "" H 7138 6450 50  0001 C CNN
 F 3 "~" H 7100 6600 50  0001 C CNN
@@ -858,10 +858,10 @@ F 3 "~" H 7100 6600 50  0001 C CNN
 	0    -1   -1   0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C10
 U 1 1 606345B4
 P 7100 6400
-F 0 "C?" V 6848 6400 50  0000 C CNN
+F 0 "C10" V 6848 6400 50  0000 C CNN
 F 1 "56pF" V 6939 6400 50  0000 C CNN
 F 2 "" H 7138 6250 50  0001 C CNN
 F 3 "~" H 7100 6400 50  0001 C CNN
@@ -871,10 +871,10 @@ $EndComp
 Wire Wire Line
 	6950 6600 6950 6500
 $Comp
-L power:GND #PWR?
+L power:GND #PWR015
 U 1 1 606345BB
 P 6850 6500
-F 0 "#PWR?" H 6850 6250 50  0001 C CNN
+F 0 "#PWR015" H 6850 6250 50  0001 C CNN
 F 1 "GND" H 6855 6327 50  0000 C CNN
 F 2 "" H 6850 6500 50  0001 C CNN
 F 3 "" H 6850 6500 50  0001 C CNN
@@ -896,10 +896,10 @@ Wire Wire Line
 Text Notes 7350 6250 2    50   ~ 0
 Smoothing caps
 $Comp
-L Device:C C?
+L Device:C C13
 U 1 1 60649CA8
 P 7250 8150
-F 0 "C?" V 6998 8150 50  0000 C CNN
+F 0 "C13" V 6998 8150 50  0000 C CNN
 F 1 "100nF" V 7089 8150 50  0000 C CNN
 F 2 "" H 7288 8000 50  0001 C CNN
 F 3 "~" H 7250 8150 50  0001 C CNN
@@ -907,10 +907,10 @@ F 3 "~" H 7250 8150 50  0001 C CNN
 	0    -1   -1   0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C12
 U 1 1 60649CAE
 P 7250 7950
-F 0 "C?" V 6998 7950 50  0000 C CNN
+F 0 "C12" V 6998 7950 50  0000 C CNN
 F 1 "56pF" V 7089 7950 50  0000 C CNN
 F 2 "" H 7288 7800 50  0001 C CNN
 F 3 "~" H 7250 7950 50  0001 C CNN
@@ -920,10 +920,10 @@ $EndComp
 Wire Wire Line
 	7100 8150 7100 8050
 $Comp
-L power:GND #PWR?
+L power:GND #PWR016
 U 1 1 60649CB5
 P 7000 8050
-F 0 "#PWR?" H 7000 7800 50  0001 C CNN
+F 0 "#PWR016" H 7000 7800 50  0001 C CNN
 F 1 "GND" H 7005 7877 50  0000 C CNN
 F 2 "" H 7000 8050 50  0001 C CNN
 F 3 "" H 7000 8050 50  0001 C CNN
@@ -944,10 +944,10 @@ Wire Wire Line
 	7400 8050 7400 8150
 Connection ~ 7500 8050
 $Comp
-L Device:R R?
+L Device:R R3
 U 1 1 60661B57
 P 2500 6850
-F 0 "R?" V 2293 6850 50  0000 C CNN
+F 0 "R3" V 2293 6850 50  0000 C CNN
 F 1 "10k" V 2384 6850 50  0000 C CNN
 F 2 "" V 2430 6850 50  0001 C CNN
 F 3 "~" H 2500 6850 50  0001 C CNN
@@ -955,10 +955,10 @@ F 3 "~" H 2500 6850 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:R R?
+L Device:R R2
 U 1 1 60662809
 P 2200 6950
-F 0 "R?" V 1993 6950 50  0000 C CNN
+F 0 "R2" V 1993 6950 50  0000 C CNN
 F 1 "10k" V 2084 6950 50  0000 C CNN
 F 2 "" V 2130 6950 50  0001 C CNN
 F 3 "~" H 2200 6950 50  0001 C CNN
@@ -966,10 +966,10 @@ F 3 "~" H 2200 6950 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR04
 U 1 1 60663175
 P 2050 6600
-F 0 "#PWR?" H 2050 6450 50  0001 C CNN
+F 0 "#PWR04" H 2050 6450 50  0001 C CNN
 F 1 "VCC" H 2067 6773 50  0000 C CNN
 F 2 "" H 2050 6600 50  0001 C CNN
 F 3 "" H 2050 6600 50  0001 C CNN
@@ -988,10 +988,10 @@ Wire Wire Line
 Wire Wire Line
 	2350 6950 3050 6950
 $Comp
-L Switch:SW_Push SW?
+L Switch:SW_Push SW2
 U 1 1 6067F418
 P 1600 7050
-F 0 "SW?" H 1600 7335 50  0000 C CNN
+F 0 "SW2" H 1600 7335 50  0000 C CNN
 F 1 "Break" H 1600 7244 50  0000 C CNN
 F 2 "" H 1600 7250 50  0001 C CNN
 F 3 "" H 1600 7250 50  0001 C CNN
@@ -999,10 +999,10 @@ F 3 "" H 1600 7250 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR01
 U 1 1 60681E2A
 P 1300 7050
-F 0 "#PWR?" H 1300 6800 50  0001 C CNN
+F 0 "#PWR01" H 1300 6800 50  0001 C CNN
 F 1 "GND" H 1305 6877 50  0000 C CNN
 F 2 "" H 1300 7050 50  0001 C CNN
 F 3 "" H 1300 7050 50  0001 C CNN
@@ -1010,10 +1010,10 @@ F 3 "" H 1300 7050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C1
 U 1 1 6068233C
 P 1600 6600
-F 0 "C?" V 1348 6600 50  0000 C CNN
+F 0 "C1" V 1348 6600 50  0000 C CNN
 F 1 "10uF" V 1439 6600 50  0000 C CNN
 F 2 "" H 1638 6450 50  0001 C CNN
 F 3 "~" H 1600 6600 50  0001 C CNN
@@ -1042,10 +1042,10 @@ Wire Wire Line
 Text Notes 1250 7500 0    50   ~ 0
 "Break" button
 $Comp
-L Connector:Conn_01x01_Male J?
+L Connector:Conn_01x01_Male J4
 U 1 1 606A5B44
 P 4100 4700
-F 0 "J?" V 4162 4744 50  0000 L CNN
+F 0 "J4" V 4162 4744 50  0000 L CNN
 F 1 "panel_btn_rst" V 4253 4744 50  0000 L CNN
 F 2 "" H 4100 4700 50  0001 C CNN
 F 3 "~" H 4100 4700 50  0001 C CNN
@@ -1055,10 +1055,10 @@ $EndComp
 Wire Wire Line
 	4100 4900 4100 5150
 $Comp
-L Connector:Conn_01x01_Male J?
+L Connector:Conn_01x01_Male J1
 U 1 1 606C1179
 P 1800 7350
-F 0 "J?" V 1954 7262 50  0000 R CNN
+F 0 "J1" V 1954 7262 50  0000 R CNN
 F 1 "panel_btn_brk" V 1863 7262 50  0000 R CNN
 F 2 "" H 1800 7350 50  0001 C CNN
 F 3 "~" H 1800 7350 50  0001 C CNN
@@ -1068,10 +1068,10 @@ $EndComp
 Wire Wire Line
 	1800 7150 1800 7050
 $Comp
-L Device:LED D?
+L Device:LED D1
 U 1 1 606D4ECC
 P 3050 7550
-F 0 "D?" H 3043 7295 50  0000 C CNN
+F 0 "D1" H 3043 7295 50  0000 C CNN
 F 1 "LED" H 3043 7386 50  0000 C CNN
 F 2 "" H 3050 7550 50  0001 C CNN
 F 3 "~" H 3050 7550 50  0001 C CNN
@@ -1081,10 +1081,10 @@ $EndComp
 Wire Wire Line
 	3200 7550 3350 7550
 $Comp
-L Device:R R?
+L Device:R R4
 U 1 1 606E9AF9
 P 2750 7550
-F 0 "R?" V 2543 7550 50  0000 C CNN
+F 0 "R4" V 2543 7550 50  0000 C CNN
 F 1 "470" V 2634 7550 50  0000 C CNN
 F 2 "" V 2680 7550 50  0001 C CNN
 F 3 "~" H 2750 7550 50  0001 C CNN
@@ -1092,10 +1092,10 @@ F 3 "~" H 2750 7550 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR05
 U 1 1 606EA531
 P 2500 7550
-F 0 "#PWR?" H 2500 7400 50  0001 C CNN
+F 0 "#PWR05" H 2500 7400 50  0001 C CNN
 F 1 "VCC" H 2517 7723 50  0000 C CNN
 F 2 "" H 2500 7550 50  0001 C CNN
 F 3 "" H 2500 7550 50  0001 C CNN
@@ -1105,10 +1105,10 @@ $EndComp
 Wire Wire Line
 	2500 7550 2600 7550
 $Comp
-L Connector:Conn_01x01_Male J?
+L Connector:Conn_01x01_Male J3
 U 1 1 60701566
 P 3350 7150
-F 0 "J?" V 3412 7194 50  0000 L CNN
+F 0 "J3" V 3412 7194 50  0000 L CNN
 F 1 "panel_led_halt" V 3503 7194 50  0000 L CNN
 F 2 "" H 3350 7150 50  0001 C CNN
 F 3 "~" H 3350 7150 50  0001 C CNN
@@ -1223,7 +1223,7 @@ L 74xx:74HC04 U11
 U 2 1 60689B1C
 P 9150 2000
 F 0 "U11" H 9150 2317 50  0000 C CNN
-F 1 "74LS32" H 9150 2226 50  0000 C CNN
+F 1 "74HC04" H 9150 2226 50  0000 C CNN
 F 2 "" H 9150 2000 50  0001 C CNN
 F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 2000 50  0001 C CNN
 	2    9150 2000
@@ -1240,7 +1240,7 @@ P 9150 1000
 F 0 "U11" H 9150 1317 50  0000 C CNN
 F 1 "74HC04" H 9150 1226 50  0000 C CNN
 F 2 "" H 9150 1000 50  0001 C CNN
-F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT04.pdf" H 9150 1000 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS32" H 9150 1000 50  0001 C CNN
 	1    9150 1000
 	1    0    0    -1  
 $EndComp
@@ -1338,10 +1338,10 @@ F 3 "http://www.ti.com/lit/gpn/sn74LS138" H 12450 2800 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR028
 U 1 1 608389FF
 P 12450 3500
-F 0 "#PWR?" H 12450 3250 50  0001 C CNN
+F 0 "#PWR028" H 12450 3250 50  0001 C CNN
 F 1 "GND" H 12455 3327 50  0000 C CNN
 F 2 "" H 12450 3500 50  0001 C CNN
 F 3 "" H 12450 3500 50  0001 C CNN
@@ -1349,10 +1349,10 @@ F 3 "" H 12450 3500 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR027
 U 1 1 6084DC47
 P 12450 1700
-F 0 "#PWR?" H 12450 1550 50  0001 C CNN
+F 0 "#PWR027" H 12450 1550 50  0001 C CNN
 F 1 "VCC" H 12467 1873 50  0000 C CNN
 F 2 "" H 12450 1700 50  0001 C CNN
 F 3 "" H 12450 1700 50  0001 C CNN
@@ -1360,10 +1360,10 @@ F 3 "" H 12450 1700 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C18
 U 1 1 6084DC4D
 P 12850 1700
-F 0 "C?" V 12598 1700 50  0000 C CNN
+F 0 "C18" V 12598 1700 50  0000 C CNN
 F 1 "100nF" V 12689 1700 50  0000 C CNN
 F 2 "" H 12888 1550 50  0001 C CNN
 F 3 "~" H 12850 1700 50  0001 C CNN
@@ -1371,10 +1371,10 @@ F 3 "~" H 12850 1700 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C19
 U 1 1 6084DC53
 P 12850 1900
-F 0 "C?" V 12598 1900 50  0000 C CNN
+F 0 "C19" V 12598 1900 50  0000 C CNN
 F 1 "56pF" V 12689 1900 50  0000 C CNN
 F 2 "" H 12888 1750 50  0001 C CNN
 F 3 "~" H 12850 1900 50  0001 C CNN
@@ -1384,10 +1384,10 @@ $EndComp
 Wire Wire Line
 	13000 1700 13000 1800
 $Comp
-L power:GND #PWR?
+L power:GND #PWR030
 U 1 1 6084DC5A
 P 13100 1800
-F 0 "#PWR?" H 13100 1550 50  0001 C CNN
+F 0 "#PWR030" H 13100 1550 50  0001 C CNN
 F 1 "GND" H 13105 1627 50  0000 C CNN
 F 2 "" H 13100 1800 50  0001 C CNN
 F 3 "" H 13100 1800 50  0001 C CNN
@@ -1441,10 +1441,10 @@ Connection ~ 11950 3150
 Wire Wire Line
 	11950 3150 11950 3100
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR024
 U 1 1 608D60DB
 P 11650 3000
-F 0 "#PWR?" H 11650 2850 50  0001 C CNN
+F 0 "#PWR024" H 11650 2850 50  0001 C CNN
 F 1 "VCC" H 11667 3173 50  0000 C CNN
 F 2 "" H 11650 3000 50  0001 C CNN
 F 3 "" H 11650 3000 50  0001 C CNN
@@ -1515,10 +1515,10 @@ F 3 "http://www.nxp.com/documents/data_sheet/74HC_HCT244.pdf" H 9850 4350 50  00
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR022
 U 1 1 60571DDE
 P 9850 5150
-F 0 "#PWR?" H 9850 4900 50  0001 C CNN
+F 0 "#PWR022" H 9850 4900 50  0001 C CNN
 F 1 "GND" H 9855 4977 50  0000 C CNN
 F 2 "" H 9850 5150 50  0001 C CNN
 F 3 "" H 9850 5150 50  0001 C CNN
@@ -1529,10 +1529,10 @@ Wire Bus Line
 	6550 2150 6550 7100
 Connection ~ 6550 7100
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR021
 U 1 1 6062D6E7
 P 9850 3050
-F 0 "#PWR?" H 9850 2900 50  0001 C CNN
+F 0 "#PWR021" H 9850 2900 50  0001 C CNN
 F 1 "VCC" H 9867 3223 50  0000 C CNN
 F 2 "" H 9850 3050 50  0001 C CNN
 F 3 "" H 9850 3050 50  0001 C CNN
@@ -1540,10 +1540,10 @@ F 3 "" H 9850 3050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C14
 U 1 1 6062D6ED
 P 10250 3050
-F 0 "C?" V 9998 3050 50  0000 C CNN
+F 0 "C14" V 9998 3050 50  0000 C CNN
 F 1 "100nF" V 10089 3050 50  0000 C CNN
 F 2 "" H 10288 2900 50  0001 C CNN
 F 3 "~" H 10250 3050 50  0001 C CNN
@@ -1551,10 +1551,10 @@ F 3 "~" H 10250 3050 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C15
 U 1 1 6062D6F3
 P 10250 3250
-F 0 "C?" V 9998 3250 50  0000 C CNN
+F 0 "C15" V 9998 3250 50  0000 C CNN
 F 1 "56pF" V 10089 3250 50  0000 C CNN
 F 2 "" H 10288 3100 50  0001 C CNN
 F 3 "~" H 10250 3250 50  0001 C CNN
@@ -1564,10 +1564,10 @@ $EndComp
 Wire Wire Line
 	10400 3050 10400 3150
 $Comp
-L power:GND #PWR?
+L power:GND #PWR023
 U 1 1 6062D6FA
 P 10500 3150
-F 0 "#PWR?" H 10500 2900 50  0001 C CNN
+F 0 "#PWR023" H 10500 2900 50  0001 C CNN
 F 1 "GND" H 10505 2977 50  0000 C CNN
 F 2 "" H 10500 3150 50  0001 C CNN
 F 3 "" H 10500 3150 50  0001 C CNN
@@ -1684,10 +1684,10 @@ IOADDR0
 Text Label 10450 4550 0    50   ~ 0
 IOWR
 $Comp
-L power:GND #PWR?
+L power:GND #PWR026
 U 1 1 6084A0EA
 P 12350 7350
-F 0 "#PWR?" H 12350 7100 50  0001 C CNN
+F 0 "#PWR026" H 12350 7100 50  0001 C CNN
 F 1 "GND" H 12355 7177 50  0000 C CNN
 F 2 "" H 12350 7350 50  0001 C CNN
 F 3 "" H 12350 7350 50  0001 C CNN
@@ -1695,10 +1695,10 @@ F 3 "" H 12350 7350 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR025
 U 1 1 60853D75
 P 12350 5250
-F 0 "#PWR?" H 12350 5100 50  0001 C CNN
+F 0 "#PWR025" H 12350 5100 50  0001 C CNN
 F 1 "VCC" H 12367 5423 50  0000 C CNN
 F 2 "" H 12350 5250 50  0001 C CNN
 F 3 "" H 12350 5250 50  0001 C CNN
@@ -1706,10 +1706,10 @@ F 3 "" H 12350 5250 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C16
 U 1 1 60853D7B
 P 12750 5250
-F 0 "C?" V 12498 5250 50  0000 C CNN
+F 0 "C16" V 12498 5250 50  0000 C CNN
 F 1 "100nF" V 12589 5250 50  0000 C CNN
 F 2 "" H 12788 5100 50  0001 C CNN
 F 3 "~" H 12750 5250 50  0001 C CNN
@@ -1717,10 +1717,10 @@ F 3 "~" H 12750 5250 50  0001 C CNN
 	0    1    1    0   
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C17
 U 1 1 60853D81
 P 12750 5450
-F 0 "C?" V 12498 5450 50  0000 C CNN
+F 0 "C17" V 12498 5450 50  0000 C CNN
 F 1 "56pF" V 12589 5450 50  0000 C CNN
 F 2 "" H 12788 5300 50  0001 C CNN
 F 3 "~" H 12750 5450 50  0001 C CNN
@@ -1730,10 +1730,10 @@ $EndComp
 Wire Wire Line
 	12900 5250 12900 5350
 $Comp
-L power:GND #PWR?
+L power:GND #PWR029
 U 1 1 60853D88
 P 13000 5350
-F 0 "#PWR?" H 13000 5100 50  0001 C CNN
+F 0 "#PWR029" H 13000 5100 50  0001 C CNN
 F 1 "GND" H 13005 5177 50  0000 C CNN
 F 2 "" H 13000 5350 50  0001 C CNN
 F 3 "" H 13000 5350 50  0001 C CNN
@@ -1880,60 +1880,60 @@ IOD7
 Text Notes 11950 7750 0    50   ~ 0
 I/O Data transceiver
 $Comp
-L power:GND #PWR?
+L power:GND #PWR010
 U 1 1 60AC0139
-P 4100 2600
-F 0 "#PWR?" H 4100 2350 50  0001 C CNN
-F 1 "GND" H 4105 2427 50  0000 C CNN
-F 2 "" H 4100 2600 50  0001 C CNN
-F 3 "" H 4100 2600 50  0001 C CNN
-	1    4100 2600
+P 3200 10250
+F 0 "#PWR010" H 3200 10000 50  0001 C CNN
+F 1 "GND" H 3205 10077 50  0000 C CNN
+F 2 "" H 3200 10250 50  0001 C CNN
+F 3 "" H 3200 10250 50  0001 C CNN
+	1    3200 10250
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C7
 U 1 1 60AC0A76
-P 4100 2150
-F 0 "C?" H 4215 2196 50  0000 L CNN
-F 1 "470uF" H 4215 2105 50  0000 L CNN
-F 2 "" H 4138 2000 50  0001 C CNN
-F 3 "~" H 4100 2150 50  0001 C CNN
-	1    4100 2150
+P 3200 9800
+F 0 "C7" H 3315 9846 50  0000 L CNN
+F 1 "470uF" H 3315 9755 50  0000 L CNN
+F 2 "" H 3238 9650 50  0001 C CNN
+F 3 "~" H 3200 9800 50  0001 C CNN
+	1    3200 9800
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR09
 U 1 1 60AC1A8F
-P 4100 1650
-F 0 "#PWR?" H 4100 1500 50  0001 C CNN
-F 1 "VCC" H 4117 1823 50  0000 C CNN
-F 2 "" H 4100 1650 50  0001 C CNN
-F 3 "" H 4100 1650 50  0001 C CNN
-	1    4100 1650
+P 3200 9300
+F 0 "#PWR09" H 3200 9150 50  0001 C CNN
+F 1 "VCC" H 3217 9473 50  0000 C CNN
+F 2 "" H 3200 9300 50  0001 C CNN
+F 3 "" H 3200 9300 50  0001 C CNN
+	1    3200 9300
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	4100 1650 4100 2000
+	3200 9300 3200 9650
 Wire Wire Line
-	4100 2300 4100 2600
-Text Notes 2850 2850 0    50   ~ 0
+	3200 9950 3200 10250
+Text Notes 1950 10500 0    50   ~ 0
 Power input
 $Comp
-L Connector:Conn_01x02_Male J?
+L Connector:Conn_01x02_Male J2
 U 1 1 60AE4278
-P 1950 2050
-F 0 "J?" H 2058 2231 50  0000 C CNN
-F 1 "Power input" H 2058 2140 50  0000 C CNN
-F 2 "" H 1950 2050 50  0001 C CNN
-F 3 "~" H 1950 2050 50  0001 C CNN
-	1    1950 2050
+P 1050 9700
+F 0 "J2" H 1158 9881 50  0000 C CNN
+F 1 "Power input" H 1158 9790 50  0000 C CNN
+F 2 "" H 1050 9700 50  0001 C CNN
+F 3 "~" H 1050 9700 50  0001 C CNN
+	1    1050 9700
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:GND #PWR?
+L power:GND #PWR032
 U 1 1 60AEC202
 P 13700 2050
-F 0 "#PWR?" H 13700 1800 50  0001 C CNN
+F 0 "#PWR032" H 13700 1800 50  0001 C CNN
 F 1 "GND" H 13705 1877 50  0000 C CNN
 F 2 "" H 13700 2050 50  0001 C CNN
 F 3 "" H 13700 2050 50  0001 C CNN
@@ -1941,10 +1941,10 @@ F 3 "" H 13700 2050 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L power:VCC #PWR?
+L power:VCC #PWR031
 U 1 1 60AEC67F
 P 13700 1550
-F 0 "#PWR?" H 13700 1400 50  0001 C CNN
+F 0 "#PWR031" H 13700 1400 50  0001 C CNN
 F 1 "VCC" H 13717 1723 50  0000 C CNN
 F 2 "" H 13700 1550 50  0001 C CNN
 F 3 "" H 13700 1550 50  0001 C CNN
@@ -1952,10 +1952,10 @@ F 3 "" H 13700 1550 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C20
 U 1 1 60AED147
 P 13700 1800
-F 0 "C?" H 13815 1846 50  0000 L CNN
+F 0 "C20" H 13815 1846 50  0000 L CNN
 F 1 "470uF" H 13815 1755 50  0000 L CNN
 F 2 "" H 13738 1650 50  0001 C CNN
 F 3 "~" H 13700 1800 50  0001 C CNN
@@ -1987,71 +1987,238 @@ Wire Wire Line
 $Comp
 L Regulator_Linear:LM7805_TO220 U30
 U 1 1 60B8B756
-P 3050 2000
-F 0 "U30" H 3050 2242 50  0000 C CNN
-F 1 "LM7805_TO220" H 3050 2151 50  0000 C CNN
-F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 3050 2225 50  0001 C CIN
-F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 3050 1950 50  0001 C CNN
-	1    3050 2000
+P 2150 9650
+F 0 "U30" H 2150 9892 50  0000 C CNN
+F 1 "LM7805_TO220" H 2150 9801 50  0000 C CNN
+F 2 "Package_TO_SOT_THT:TO-220-3_Vertical" H 2150 9875 50  0001 C CIN
+F 3 "http://www.fairchildsemi.com/ds/LM/LM7805.pdf" H 2150 9600 50  0001 C CNN
+	1    2150 9650
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C4
 U 1 1 60B9FCED
-P 2500 2150
-F 0 "C?" H 2615 2196 50  0000 L CNN
-F 1 "0,22uF" H 2615 2105 50  0000 L CNN
-F 2 "" H 2538 2000 50  0001 C CNN
-F 3 "~" H 2500 2150 50  0001 C CNN
-	1    2500 2150
+P 1600 9800
+F 0 "C4" H 1715 9846 50  0000 L CNN
+F 1 "0,22uF" H 1715 9755 50  0000 L CNN
+F 2 "" H 1638 9650 50  0001 C CNN
+F 3 "~" H 1600 9800 50  0001 C CNN
+	1    1600 9800
 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:C C?
+L Device:C C5
 U 1 1 60BB291F
-P 3600 2150
-F 0 "C?" H 3715 2196 50  0000 L CNN
-F 1 "0,1uF" H 3715 2105 50  0000 L CNN
-F 2 "" H 3638 2000 50  0001 C CNN
-F 3 "~" H 3600 2150 50  0001 C CNN
-	1    3600 2150
+P 2700 9800
+F 0 "C5" H 2815 9846 50  0000 L CNN
+F 1 "0,1uF" H 2815 9755 50  0000 L CNN
+F 2 "" H 2738 9650 50  0001 C CNN
+F 3 "~" H 2700 9800 50  0001 C CNN
+	1    2700 9800
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	2500 2000 2750 2000
+	1600 9650 1850 9650
 Wire Wire Line
-	3350 2000 3600 2000
-Connection ~ 4100 2000
-Connection ~ 3600 2000
+	2450 9650 2700 9650
+Connection ~ 3200 9650
+Connection ~ 2700 9650
 Wire Wire Line
-	3600 2000 4100 2000
+	2700 9650 3200 9650
 Wire Wire Line
-	2150 2150 2150 2300
+	1250 9800 1250 9950
 Wire Wire Line
-	2150 2300 2500 2300
-Connection ~ 4100 2300
-Connection ~ 2500 2300
+	1250 9950 1600 9950
+Connection ~ 3200 9950
+Connection ~ 1600 9950
 Wire Wire Line
-	2500 2300 3050 2300
-Connection ~ 3050 2300
+	1600 9950 2150 9950
+Connection ~ 2150 9950
 Wire Wire Line
-	3050 2300 3600 2300
-Connection ~ 3600 2300
+	2150 9950 2700 9950
+Connection ~ 2700 9950
 Wire Wire Line
-	3600 2300 4100 2300
+	2700 9950 3200 9950
 Wire Wire Line
-	2150 2050 2150 2000
+	1250 9700 1250 9650
 Wire Wire Line
-	2150 2000 2500 2000
-Connection ~ 2500 2000
+	1250 9650 1600 9650
+Connection ~ 1600 9650
+Text GLabel 1550 1150 1    50   BiDi ~ 0
+IOBUS
+Entry Wire Line
+	1550 1700 1650 1800
+Entry Wire Line
+	1550 1800 1650 1900
+Entry Wire Line
+	1550 1900 1650 2000
+Entry Wire Line
+	1550 2000 1650 2100
+Entry Wire Line
+	1550 2100 1650 2200
+Entry Wire Line
+	1550 2200 1650 2300
+Entry Wire Line
+	1550 2300 1650 2400
+Entry Wire Line
+	1550 2400 1650 2500
+Entry Wire Line
+	1550 2500 1650 2600
+Entry Wire Line
+	1550 2600 1650 2700
+Entry Wire Line
+	1550 2700 1650 2800
+Entry Wire Line
+	1550 2800 1650 2900
+Entry Wire Line
+	1550 2900 1650 3000
+Entry Wire Line
+	1550 3000 1650 3100
+Entry Wire Line
+	1550 3100 1650 3200
+Entry Wire Line
+	1550 3200 1650 3300
+Entry Wire Line
+	1550 3300 1650 3400
+Entry Wire Line
+	1550 3400 1650 3500
+Entry Wire Line
+	1550 3500 1650 3600
+Entry Wire Line
+	1550 3600 1650 3700
+Entry Wire Line
+	1550 3700 1650 3800
+Entry Wire Line
+	1550 3800 1650 3900
+Entry Wire Line
+	1550 3900 1650 4000
+Entry Wire Line
+	1550 4000 1650 4100
+Wire Wire Line
+	1650 1800 2000 1800
+Wire Wire Line
+	1650 1900 2000 1900
+Wire Wire Line
+	1650 2000 2000 2000
+Wire Wire Line
+	1650 2100 2000 2100
+Wire Wire Line
+	1650 2200 2000 2200
+Wire Wire Line
+	1650 2300 2000 2300
+Wire Wire Line
+	1650 2400 2000 2400
+Wire Wire Line
+	1650 2500 2000 2500
+Wire Wire Line
+	1650 2600 2000 2600
+Wire Wire Line
+	1650 2700 2000 2700
+Wire Wire Line
+	1650 2800 2000 2800
+Wire Wire Line
+	1650 2900 2000 2900
+Wire Wire Line
+	1650 3000 2000 3000
+Wire Wire Line
+	1650 3100 2000 3100
+Wire Wire Line
+	1650 3200 2000 3200
+Wire Wire Line
+	1650 3300 2000 3300
+Wire Wire Line
+	1650 3400 2000 3400
+Wire Wire Line
+	1650 3500 2000 3500
+Wire Wire Line
+	1650 3600 2000 3600
+Wire Wire Line
+	1650 3700 2000 3700
+Wire Wire Line
+	1650 3800 2000 3800
+Wire Wire Line
+	1650 3900 2000 3900
+Wire Wire Line
+	1650 4000 2000 4000
+Wire Wire Line
+	1650 4100 2000 4100
+$Comp
+L Connector_Generic:Conn_01x26 IOBUS
+U 1 1 60940D54
+P 2200 2800
+F 0 "IOBUS" H 2280 2792 50  0000 L CNN
+F 1 "IO_bus_conn" H 2280 2701 50  0000 L CNN
+F 2 "" H 2200 2800 50  0001 C CNN
+F 3 "~" H 2200 2800 50  0001 C CNN
+	1    2200 2800
+	1    0    0    -1  
+$EndComp
+Entry Wire Line
+	1550 1500 1650 1600
+Entry Wire Line
+	1550 1600 1650 1700
+Wire Wire Line
+	1650 1600 2000 1600
+Wire Wire Line
+	1650 1700 2000 1700
+Text Label 1650 1600 0    50   ~ 0
+IOVCC
+Text Label 1650 1700 0    50   ~ 0
+IOGND
+Text Label 1650 4000 0    50   ~ 0
+IOGND
+Text Label 1650 4100 0    50   ~ 0
+IOVCC
+Text Label 1650 1800 0    50   ~ 0
+IOEN0
+Text Label 1650 1900 0    50   ~ 0
+IOEN1
+Text Label 1650 2000 0    50   ~ 0
+IOEN2
+Text Label 1650 2100 0    50   ~ 0
+IOEN3
+Text Label 1650 2200 0    50   ~ 0
+IOEN4
+Text Label 1650 2300 0    50   ~ 0
+IOEN5
+Text Label 1650 2400 0    50   ~ 0
+IOEN6
+Text Label 1650 2500 0    50   ~ 0
+IOEN7
+Text Label 1650 2600 0    50   ~ 0
+IOADDR0
+Text Label 1650 2700 0    50   ~ 0
+IOADDR1
+Text Label 1650 2800 0    50   ~ 0
+IOADDR2
+Text Label 1650 2900 0    50   ~ 0
+IOADDR3
+Text Label 1650 3000 0    50   ~ 0
+IOADDR4
+Text Label 1650 3100 0    50   ~ 0
+IOD0
+Text Label 1650 3200 0    50   ~ 0
+IOD1
+Text Label 1650 3300 0    50   ~ 0
+IOD2
+Text Label 1650 3400 0    50   ~ 0
+IOD3
+Text Label 1650 3500 0    50   ~ 0
+IOD4
+Text Label 1650 3600 0    50   ~ 0
+IOD5
+Text Label 1650 3700 0    50   ~ 0
+IOD6
+Text Label 1650 3800 0    50   ~ 0
+IOD7
+Wire Bus Line
+	11450 5900 11450 6650
 Wire Bus Line
 	7800 5900 10350 5900
 Wire Bus Line
 	7800 7450 10350 7450
 Wire Bus Line
 	6000 8050 6000 9150
-Wire Bus Line
-	11450 5900 11450 6650
 Wire Bus Line
 	6000 6350 6000 7850
 Wire Bus Line
@@ -2062,4 +2229,8 @@ Wire Bus Line
 	7100 2150 7100 3650
 Wire Bus Line
 	14150 1700 14150 7600
+Wire Bus Line
+	1550 1150 1550 4000
+Text Label 1650 3900 0    50   ~ 0
+IOWR
 $EndSCHEMATC