diff --git a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
index fa91d5f..67d6ed5 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
+++ b/pat80-computer/hardware/schematics/pat80/pat80-cache.lib
@@ -101,48 +101,4 @@ X A1 9 -400 800 100 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
-# idleengineer_HM62256BLP-7
-#
-DEF idleengineer_HM62256BLP-7 U 0 40 Y Y 1 F N
-F0 "U" -300 900 50 H V C CNN
-F1 "idleengineer_HM62256BLP-7" 400 -800 50 H V C CNN
-F2 "DIP28" 0 0 50 H I C CIN
-F3 "" 0 0 50 H I C CNN
-ALIAS HM62256BLP-7SL
-$FPLIST
- DIP28*
-$ENDFPLIST
-DRAW
-S -400 850 400 -750 0 1 10 f
-X GND 14 0 -800 50 U 40 40 0 0 W N
-X VCC 28 0 900 50 D 40 40 0 0 W N
-X A14 1 -500 -650 100 R 40 40 1 1 I
-X A0 10 -500 750 100 R 40 40 1 1 I
-X D0 11 500 750 100 L 40 40 1 1 T
-X D1 12 500 650 100 L 40 40 1 1 T
-X D2 13 500 550 100 L 40 40 1 1 T
-X D3 15 500 450 100 L 40 40 1 1 T
-X D4 16 500 350 100 L 40 40 1 1 T
-X D5 17 500 250 100 L 40 40 1 1 T
-X D6 18 500 150 100 L 40 40 1 1 T
-X D7 19 500 50 100 L 40 40 1 1 T
-X A12 2 -500 -450 100 R 40 40 1 1 I
-X ~CS 20 500 -350 100 L 40 40 1 1 I
-X A10 21 -500 -250 100 R 40 40 1 1 I
-X ~OE 22 500 -100 100 L 40 40 1 1 I
-X A11 23 -500 -350 100 R 40 40 1 1 I
-X A9 24 -500 -150 100 R 40 40 1 1 I
-X A8 25 -500 -50 100 R 40 40 1 1 I
-X A13 26 -500 -550 100 R 40 40 1 1 I
-X ~WE 27 500 -200 100 L 40 40 1 1 I
-X A7 3 -500 50 100 R 40 40 1 1 I
-X A6 4 -500 150 100 R 40 40 1 1 I
-X A5 5 -500 250 100 R 40 40 1 1 I
-X A4 6 -500 350 100 R 40 40 1 1 I
-X A3 7 -500 450 100 R 40 40 1 1 I
-X A2 8 -500 550 100 R 40 40 1 1 I
-X A1 9 -500 650 100 R 40 40 1 1 I
-ENDDRAW
-ENDDEF
-#
 #End Library
diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch b/pat80-computer/hardware/schematics/pat80/pat80.sch
index 19e75c4..f2d561f 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80.sch
+++ b/pat80-computer/hardware/schematics/pat80/pat80.sch
@@ -29,17 +29,6 @@ F 3 "www.zilog.com/manage_directlink.php?filepath=docs/z80/um0080" H 3150 3050 5
 	1    0    0    -1  
 $EndComp
 $Comp
-L idleengineer:HM62256BLP-7 U2
-U 1 1 604FA19C
-P 6700 3350
-F 0 "U2" V 6746 2506 50  0000 R CNN
-F 1 "256k (32k x 8) SRAM" V 6655 2506 50  0000 R CNN
-F 2 "DIP28" H 6700 3350 50  0001 C CIN
-F 3 "" H 6700 3350 50  0001 C CNN
-	1    6700 3350
-	0    -1   -1   0   
-$EndComp
-$Comp
 L Memory_EEPROM:28C256 U3
 U 1 1 604F6B81
 P 6850 1700
diff --git a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
index a6a0daa..19e75c4 100644
--- a/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
+++ b/pat80-computer/hardware/schematics/pat80/pat80.sch-bak
@@ -50,8 +50,6 @@ F 3 "http://ww1.microchip.com/downloads/en/DeviceDoc/doc0006.pdf" H 6850 1700 50
 	1    6850 1700
 	0    -1   -1   0   
 $EndComp
-Entry Wire Line
-	4150 1450 4250 1550
 Entry Wire Line
 	4150 1550 4250 1650
 Entry Wire Line
@@ -486,16 +484,18 @@ Text Label 3950 3750 0    50   ~ 0
 D6
 Text Label 3950 3850 0    50   ~ 0
 D7
+Entry Wire Line
+	4150 1450 4250 1550
 Wire Bus Line
-	4250 3250 4250 4350
+	6050 1100 8600 1100
 Wire Bus Line
 	6050 2650 8600 2650
 Wire Bus Line
-	6050 1100 8600 1100
+	4250 3250 4250 4350
+Wire Bus Line
+	4250 1550 4250 3050
 Wire Bus Line
 	5100 2300 7250 2300
 Wire Bus Line
 	5100 4050 7250 4050
-Wire Bus Line
-	4250 1450 4250 3050
 $EndSCHEMATC
diff --git a/pat80-computer/hardware/schematics/pat80/sym-lib-table b/pat80-computer/hardware/schematics/pat80/sym-lib-table
index bd30918..9c00ee7 100644
--- a/pat80-computer/hardware/schematics/pat80/sym-lib-table
+++ b/pat80-computer/hardware/schematics/pat80/sym-lib-table
@@ -1,3 +1,2 @@
 (sym_lib_table
-  (lib (name idleengineer)(type Legacy)(uri /home/danieleverducci/kicad-libs/idleengineer/symbols/Memory_RAM.lib)(options "")(descr ""))
 )