diff --git a/Hardware/Apple2IORPi-cache.lib b/Hardware/Apple2IORPi-cache.lib
new file mode 100644
index 0000000..49ade61
--- /dev/null
+++ b/Hardware/Apple2IORPi-cache.lib
@@ -0,0 +1,335 @@
+EESchema-LIBRARY Version 2.4
+#encoding utf-8
+#
+# 74xx_74LS245
+#
+DEF 74xx_74LS245 U 0 40 Y Y 1 L N
+F0 "U" -300 650 50 H V C CNN
+F1 "74xx_74LS245" -300 -650 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 74HC245
+$FPLIST
+ DIP?20*
+$ENDFPLIST
+DRAW
+S -300 600 300 -600 1 1 10 f
+P 3 1 0 0 -25 -50 -25 50 25 50 N
+P 4 1 0 0 -50 -50 25 -50 25 50 50 50 N
+X A->B 1 -500 -400 200 R 50 50 1 0 I
+X GND 10 0 -800 200 U 50 50 1 0 W
+X B7 11 500 -200 200 L 50 50 1 0 T
+X B6 12 500 -100 200 L 50 50 1 0 T
+X B5 13 500 0 200 L 50 50 1 0 T
+X B4 14 500 100 200 L 50 50 1 0 T
+X B3 15 500 200 200 L 50 50 1 0 T
+X B2 16 500 300 200 L 50 50 1 0 T
+X B1 17 500 400 200 L 50 50 1 0 T
+X B0 18 500 500 200 L 50 50 1 0 T
+X CE 19 -500 -500 200 R 50 50 1 0 I I
+X A0 2 -500 500 200 R 50 50 1 0 T
+X VCC 20 0 800 200 D 50 50 1 0 W
+X A1 3 -500 400 200 R 50 50 1 0 T
+X A2 4 -500 300 200 R 50 50 1 0 T
+X A3 5 -500 200 200 R 50 50 1 0 T
+X A4 6 -500 100 200 R 50 50 1 0 T
+X A5 7 -500 0 200 R 50 50 1 0 T
+X A6 8 -500 -100 200 R 50 50 1 0 T
+X A7 9 -500 -200 200 R 50 50 1 0 T
+ENDDRAW
+ENDDEF
+#
+# 74xx_74LS374
+#
+DEF 74xx_74LS374 U 0 20 Y Y 1 F N
+F0 "U" -300 650 50 H V C CNN
+F1 "74xx_74LS374" -300 -650 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 74HC374 74HCT374 74AHC374 74AHCT374
+$FPLIST
+ DIP?20*
+ SOIC?20*
+ SO?20*
+$ENDFPLIST
+DRAW
+S -300 600 300 -600 1 1 10 f
+X OE 1 -500 -500 200 R 50 50 1 0 I I
+X GND 10 0 -800 200 U 50 50 1 0 W
+X Cp 11 -500 -400 200 R 50 50 1 0 I C
+X O4 12 500 100 200 L 50 50 1 0 T
+X D4 13 -500 100 200 R 50 50 1 0 I
+X D5 14 -500 0 200 R 50 50 1 0 I
+X O5 15 500 0 200 L 50 50 1 0 T
+X O6 16 500 -100 200 L 50 50 1 0 T
+X D6 17 -500 -100 200 R 50 50 1 0 I
+X D7 18 -500 -200 200 R 50 50 1 0 I
+X O7 19 500 -200 200 L 50 50 1 0 T
+X O0 2 500 500 200 L 50 50 1 0 T
+X VCC 20 0 800 200 D 50 50 1 0 W
+X D0 3 -500 500 200 R 50 50 1 0 I
+X D1 4 -500 400 200 R 50 50 1 0 I
+X O1 5 500 400 200 L 50 50 1 0 T
+X O2 6 500 300 200 L 50 50 1 0 T
+X D2 7 -500 300 200 R 50 50 1 0 I
+X D3 8 -500 200 200 R 50 50 1 0 I
+X O3 9 500 200 200 L 50 50 1 0 T
+ENDDRAW
+ENDDEF
+#
+# Connector_Generic_Conn_02x25_Counter_Clockwise
+#
+DEF Connector_Generic_Conn_02x25_Counter_Clockwise J 0 40 Y N 1 F N
+F0 "J" 50 1300 50 H V C CNN
+F1 "Connector_Generic_Conn_02x25_Counter_Clockwise" 50 -1300 50 H V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Connector*:*_2x??_*
+$ENDFPLIST
+DRAW
+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 150 -1250 1 1 10 f
+S 150 -1195 100 -1205 1 1 6 N
+S 150 -1095 100 -1105 1 1 6 N
+S 150 -995 100 -1005 1 1 6 N
+S 150 -895 100 -905 1 1 6 N
+S 150 -795 100 -805 1 1 6 N
+S 150 -695 100 -705 1 1 6 N
+S 150 -595 100 -605 1 1 6 N
+S 150 -495 100 -505 1 1 6 N
+S 150 -395 100 -405 1 1 6 N
+S 150 -295 100 -305 1 1 6 N
+S 150 -195 100 -205 1 1 6 N
+S 150 -95 100 -105 1 1 6 N
+S 150 5 100 -5 1 1 6 N
+S 150 105 100 95 1 1 6 N
+S 150 205 100 195 1 1 6 N
+S 150 305 100 295 1 1 6 N
+S 150 405 100 395 1 1 6 N
+S 150 505 100 495 1 1 6 N
+S 150 605 100 595 1 1 6 N
+S 150 705 100 695 1 1 6 N
+S 150 805 100 795 1 1 6 N
+S 150 905 100 895 1 1 6 N
+S 150 1005 100 995 1 1 6 N
+S 150 1105 100 1095 1 1 6 N
+S 150 1205 100 1195 1 1 6 N
+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 26 300 -1200 150 L 50 50 1 1 P
+X Pin_27 27 300 -1100 150 L 50 50 1 1 P
+X Pin_28 28 300 -1000 150 L 50 50 1 1 P
+X Pin_29 29 300 -900 150 L 50 50 1 1 P
+X Pin_3 3 -200 1000 150 R 50 50 1 1 P
+X Pin_30 30 300 -800 150 L 50 50 1 1 P
+X Pin_31 31 300 -700 150 L 50 50 1 1 P
+X Pin_32 32 300 -600 150 L 50 50 1 1 P
+X Pin_33 33 300 -500 150 L 50 50 1 1 P
+X Pin_34 34 300 -400 150 L 50 50 1 1 P
+X Pin_35 35 300 -300 150 L 50 50 1 1 P
+X Pin_36 36 300 -200 150 L 50 50 1 1 P
+X Pin_37 37 300 -100 150 L 50 50 1 1 P
+X Pin_38 38 300 0 150 L 50 50 1 1 P
+X Pin_39 39 300 100 150 L 50 50 1 1 P
+X Pin_4 4 -200 900 150 R 50 50 1 1 P
+X Pin_40 40 300 200 150 L 50 50 1 1 P
+X Pin_41 41 300 300 150 L 50 50 1 1 P
+X Pin_42 42 300 400 150 L 50 50 1 1 P
+X Pin_43 43 300 500 150 L 50 50 1 1 P
+X Pin_44 44 300 600 150 L 50 50 1 1 P
+X Pin_45 45 300 700 150 L 50 50 1 1 P
+X Pin_46 46 300 800 150 L 50 50 1 1 P
+X Pin_47 47 300 900 150 L 50 50 1 1 P
+X Pin_48 48 300 1000 150 L 50 50 1 1 P
+X Pin_49 49 300 1100 150 L 50 50 1 1 P
+X Pin_5 5 -200 800 150 R 50 50 1 1 P
+X Pin_50 50 300 1200 150 L 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
+#
+# Connector_Raspberry_Pi_2_3
+#
+DEF Connector_Raspberry_Pi_2_3 J 0 40 Y Y 1 F N
+F0 "J" -700 1250 50 H V L BNN
+F1 "Connector_Raspberry_Pi_2_3" 400 -1250 50 H V L TNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ PinHeader*2x20*P2.54mm*Vertical*
+ PinSocket*2x20*P2.54mm*Vertical*
+$ENDFPLIST
+DRAW
+S -700 1200 700 -1200 0 1 10 f
+S -665 -690 -700 -710 1 1 0 N
+S -665 -590 -700 -610 1 1 0 N
+S -665 -490 -700 -510 1 1 0 N
+S -665 -390 -700 -410 1 1 0 N
+S -665 -290 -700 -310 1 1 0 N
+S -665 -190 -700 -210 1 1 0 N
+S -665 10 -700 -10 1 1 0 N
+S -665 110 -700 90 1 1 0 N
+S -665 210 -700 190 1 1 0 N
+S -665 410 -700 390 1 1 0 N
+S -665 510 -700 490 1 1 0 N
+S -665 610 -700 590 1 1 0 N
+S -665 810 -700 790 1 1 0 N
+S -665 910 -700 890 1 1 0 N
+S -410 -1165 -390 -1200 1 1 0 N
+S -310 -1165 -290 -1200 1 1 0 N
+S -210 -1165 -190 -1200 1 1 0 N
+S -210 1200 -190 1165 1 1 0 N
+S -110 -1165 -90 -1200 1 1 0 N
+S -110 1200 -90 1165 1 1 0 N
+S -10 -1165 10 -1200 1 1 0 N
+S 90 -1165 110 -1200 1 1 0 N
+S 90 1200 110 1165 1 1 0 N
+S 190 -1165 210 -1200 1 1 0 N
+S 190 1200 210 1165 1 1 0 N
+S 290 -1165 310 -1200 1 1 0 N
+S 700 -790 665 -810 1 1 0 N
+S 700 -690 665 -710 1 1 0 N
+S 700 -490 665 -510 1 1 0 N
+S 700 -390 665 -410 1 1 0 N
+S 700 -290 665 -310 1 1 0 N
+S 700 -190 665 -210 1 1 0 N
+S 700 -90 665 -110 1 1 0 N
+S 700 110 665 90 1 1 0 N
+S 700 210 665 190 1 1 0 N
+S 700 310 665 290 1 1 0 N
+S 700 510 665 490 1 1 0 N
+S 700 610 665 590 1 1 0 N
+S 700 810 665 790 1 1 0 N
+S 700 910 665 890 1 1 0 N
+X 3V3 1 100 1300 100 D 50 50 1 1 W
+X GPIO15/RXD 10 -800 800 100 R 50 50 1 1 B
+X GPIO17 11 -800 500 100 R 50 50 1 1 B
+X GPIO18/PWM0 12 -800 400 100 R 50 50 1 1 B
+X GPIO27 13 -800 -700 100 R 50 50 1 1 B
+X GND 14 -200 -1300 100 U 50 50 1 1 W
+X GPIO22 15 -800 -200 100 R 50 50 1 1 B
+X GPIO23 16 -800 -300 100 R 50 50 1 1 B
+X 3V3 17 200 1300 100 D 50 50 1 1 W
+X GPIO24 18 -800 -400 100 R 50 50 1 1 B
+X MOSI0/GPIO10 19 800 -400 100 L 50 50 1 1 B
+X 5V 2 -200 1300 100 D 50 50 1 1 W
+X GND 20 -100 -1300 100 U 50 50 1 1 W
+X MISO0/GPIO9 21 800 -300 100 L 50 50 1 1 B
+X GPIO25 22 -800 -500 100 R 50 50 1 1 B
+X SCLK0/GPIO11 23 800 -500 100 L 50 50 1 1 B
+X ~CE0~/GPIO8 24 800 -200 100 L 50 50 1 1 B
+X GND 25 0 -1300 100 U 50 50 1 1 W
+X ~CE1~/GPIO7 26 800 -100 100 L 50 50 1 1 B
+X ID_SD/GPIO0 27 800 900 100 L 50 50 1 1 B
+X ID_SC/GPIO1 28 800 800 100 L 50 50 1 1 B
+X GCLK1/GPIO5 29 800 200 100 L 50 50 1 1 B
+X SDA/GPIO2 3 800 600 100 L 50 50 1 1 B
+X GND 30 100 -1300 100 U 50 50 1 1 W
+X GCLK2/GPIO6 31 800 100 100 L 50 50 1 1 B
+X PWM0/GPIO12 32 800 -700 100 L 50 50 1 1 B
+X PWM1/GPIO13 33 800 -800 100 L 50 50 1 1 B
+X GND 34 200 -1300 100 U 50 50 1 1 W
+X GPIO19/MISO1 35 -800 200 100 R 50 50 1 1 B
+X GPIO16 36 -800 600 100 R 50 50 1 1 B
+X GPIO26 37 -800 -600 100 R 50 50 1 1 B
+X GPIO20/MOSI1 38 -800 100 100 R 50 50 1 1 B
+X GND 39 300 -1300 100 U 50 50 1 1 W
+X 5V 4 -100 1300 100 D 50 50 1 1 W
+X GPIO21/SCLK1 40 -800 0 100 R 50 50 1 1 B
+X SCL/GPIO3 5 800 500 100 L 50 50 1 1 B
+X GND 6 -400 -1300 100 U 50 50 1 1 W
+X GCLK0/GPIO4 7 800 300 100 L 50 50 1 1 B
+X GPIO14/TXD 8 -800 900 100 R 50 50 1 1 B
+X GND 9 -300 -1300 100 U 50 50 1 1 W
+ENDDRAW
+ENDDEF
+#
+# Memory_EPROM_2764
+#
+DEF Memory_EPROM_2764 U 0 20 Y Y 1 F N
+F0 "U" -300 950 50 H V C CNN
+F1 "Memory_EPROM_2764" 100 -1050 50 H V L CNN
+F2 "Package_DIP:DIP-28_W15.24mm" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+ALIAS 2764
+$FPLIST
+ DIP*W15.24mm*
+$ENDFPLIST
+DRAW
+S -300 900 300 -1000 1 1 10 f
+X VPP 1 -400 -700 100 R 50 50 1 1 I
+X A0 10 -400 800 100 R 50 50 1 1 I
+X D0 11 400 800 100 L 50 50 1 1 T
+X D1 12 400 700 100 L 50 50 1 1 T
+X D2 13 400 600 100 L 50 50 1 1 T
+X GND 14 0 -1100 100 U 50 50 1 1 W
+X D3 15 400 500 100 L 50 50 1 1 T
+X D4 16 400 400 100 L 50 50 1 1 T
+X D5 17 400 300 100 L 50 50 1 1 T
+X D6 18 400 200 100 L 50 50 1 1 T
+X D7 19 400 100 100 L 50 50 1 1 T
+X A12 2 -400 -400 100 R 50 50 1 1 I
+X ~CE 20 -400 -800 100 R 50 50 1 1 I
+X A10 21 -400 -200 100 R 50 50 1 1 I
+X ~OE 22 -400 -900 100 R 50 50 1 1 I
+X A11 23 -400 -300 100 R 50 50 1 1 I
+X A9 24 -400 -100 100 R 50 50 1 1 I
+X A8 25 -400 0 100 R 50 50 1 1 I
+X NC 26 300 0 100 L 50 50 1 1 N N
+X ~PGM 27 -400 -600 100 R 50 50 1 1 I
+X VCC 28 0 1000 100 D 50 50 1 1 W
+X A7 3 -400 100 100 R 50 50 1 1 I
+X A6 4 -400 200 100 R 50 50 1 1 I
+X A5 5 -400 300 100 R 50 50 1 1 I
+X A4 6 -400 400 100 R 50 50 1 1 I
+X A3 7 -400 500 100 R 50 50 1 1 I
+X A2 8 -400 600 100 R 50 50 1 1 I
+X A1 9 -400 700 100 R 50 50 1 1 I
+ENDDRAW
+ENDDEF
+#
+#End Library
diff --git a/Hardware/Apple2IORPi.kicad_pcb b/Hardware/Apple2IORPi.kicad_pcb
new file mode 100644
index 0000000..02c8ecb
--- /dev/null
+++ b/Hardware/Apple2IORPi.kicad_pcb
@@ -0,0 +1 @@
+(kicad_pcb (version 4) (host kicad "dummy file") )
diff --git a/Hardware/Apple2IORPi.pro b/Hardware/Apple2IORPi.pro
new file mode 100644
index 0000000..152769c
--- /dev/null
+++ b/Hardware/Apple2IORPi.pro
@@ -0,0 +1,33 @@
+update=22/05/2015 07:44:53
+version=1
+last_client=kicad
+[general]
+version=1
+RootSch=
+BoardNm=
+[pcbnew]
+version=1
+LastNetListRead=
+UseCmpFile=1
+PadDrill=0.600000000000
+PadDrillOvalY=0.600000000000
+PadSizeH=1.500000000000
+PadSizeV=1.500000000000
+PcbTextSizeV=1.500000000000
+PcbTextSizeH=1.500000000000
+PcbTextThickness=0.300000000000
+ModuleTextSizeV=1.000000000000
+ModuleTextSizeH=1.000000000000
+ModuleTextSizeThickness=0.150000000000
+SolderMaskClearance=0.000000000000
+SolderMaskMinWidth=0.000000000000
+DrawSegmentWidth=0.200000000000
+BoardOutlineThickness=0.100000000000
+ModuleOutlineThickness=0.150000000000
+[cvpcb]
+version=1
+NetIExt=net
+[eeschema]
+version=1
+LibDir=
+[eeschema/libraries]
diff --git a/Hardware/Apple2IORPi.sch b/Hardware/Apple2IORPi.sch
new file mode 100644
index 0000000..5830a8e
--- /dev/null
+++ b/Hardware/Apple2IORPi.sch
@@ -0,0 +1,520 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr USLedger 17000 11000
+encoding utf-8
+Sheet 1 1
+Title "Apple II I/O RPi"
+Date "2020-11-02"
+Rev "0.1"
+Comp "Terence J. Boldt"
+Comment1 "Initial draft desgn"
+Comment2 "Provides storage and network for the Apple ]["
+Comment3 "Raspberry Pi Zero W as a daughter board"
+Comment4 "Expansion card for Apple ][ computers"
+$EndDescr
+$Comp
+L Connector_Generic:Conn_02x25_Counter_Clockwise J?
+U 1 1 5FA0A8C3
+P 3000 2700
+F 0 "J?" H 3050 4117 50  0000 C CNN
+F 1 "Apple II Expansion Bus" H 3050 4026 50  0000 C CNN
+F 2 "" H 3000 2700 50  0001 C CNN
+F 3 "~" H 3000 2700 50  0001 C CNN
+	1    3000 2700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Memory_EPROM:2764 U?
+U 1 1 5FA0EF8B
+P 5950 6400
+F 0 "U?" H 5950 7581 50  0000 C CNN
+F 1 "2764" H 5950 7490 50  0000 C CNN
+F 2 "Package_DIP:DIP-28_W15.24mm" H 5950 6400 50  0001 C CNN
+F 3 "https://downloads.reactivemicro.com/Electronics/ROM/2764%20EPROM.pdf" H 5950 6400 50  0001 C CNN
+	1    5950 6400
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS245 U?
+U 1 1 5FA15F43
+P 4850 2100
+F 0 "U?" H 4850 3081 50  0000 C CNN
+F 1 "74LS245" H 4850 2990 50  0000 C CNN
+F 2 "" H 4850 2100 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 4850 2100 50  0001 C CNN
+	1    4850 2100
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS245 U?
+U 1 1 5FA19168
+P 9100 2100
+F 0 "U?" H 9100 3081 50  0000 C CNN
+F 1 "74LS245" H 9100 2990 50  0000 C CNN
+F 2 "" H 9100 2100 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 9100 2100 50  0001 C CNN
+	1    9100 2100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Raspberry_Pi_2_3 J?
+U 1 1 5FA19C2C
+P 13050 2550
+F 0 "J?" H 13050 4031 50  0000 C CNN
+F 1 "Raspberry_Pi_2_3" H 13050 3940 50  0000 C CNN
+F 2 "" H 13050 2550 50  0001 C CNN
+F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 13050 2550 50  0001 C CNN
+	1    13050 2550
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS374 U?
+U 1 1 5FA1EB22
+P 9100 4100
+F 0 "U?" H 9100 5081 50  0000 C CNN
+F 1 "74LS374" H 9100 4990 50  0000 C CNN
+F 2 "" H 9100 4100 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS374" H 9100 4100 50  0001 C CNN
+	1    9100 4100
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4350 1600 3300 1600
+Wire Wire Line
+	4350 1700 3300 1700
+Wire Wire Line
+	4350 1800 3300 1800
+Wire Wire Line
+	3300 1900 4350 1900
+Wire Wire Line
+	4350 2000 3300 2000
+Wire Wire Line
+	3300 2100 4350 2100
+Wire Wire Line
+	4350 2200 3300 2200
+Wire Wire Line
+	3300 2300 4350 2300
+Wire Wire Line
+	5350 1600 6350 1600
+Wire Wire Line
+	5350 1700 6400 1700
+Wire Wire Line
+	8600 1800 8000 1800
+Wire Wire Line
+	5350 1900 6500 1900
+Wire Wire Line
+	5350 2000 6550 2000
+Wire Wire Line
+	8600 2100 7850 2100
+Wire Wire Line
+	5350 2200 6650 2200
+Wire Wire Line
+	8600 2300 7750 2300
+Wire Wire Line
+	8100 1600 8100 3600
+Wire Wire Line
+	8100 3600 8600 3600
+Connection ~ 8100 1600
+Wire Wire Line
+	8100 1600 8600 1600
+Wire Wire Line
+	8050 1700 8050 3700
+Wire Wire Line
+	8050 3700 8600 3700
+Connection ~ 8050 1700
+Wire Wire Line
+	8050 1700 8600 1700
+Wire Wire Line
+	8000 1800 8000 3800
+Wire Wire Line
+	8000 3800 8600 3800
+Connection ~ 8000 1800
+Wire Wire Line
+	8000 1800 6450 1800
+Wire Wire Line
+	7950 1900 7950 3900
+Wire Wire Line
+	7950 3900 8600 3900
+Connection ~ 7950 1900
+Wire Wire Line
+	7950 1900 8600 1900
+Wire Wire Line
+	7900 2000 7900 4000
+Wire Wire Line
+	7900 4000 8600 4000
+Connection ~ 7900 2000
+Wire Wire Line
+	7900 2000 8600 2000
+Wire Wire Line
+	7850 2100 7850 4100
+Wire Wire Line
+	7850 4100 8600 4100
+Connection ~ 7850 2100
+Wire Wire Line
+	7850 2100 6600 2100
+Wire Wire Line
+	7800 2200 7800 4200
+Wire Wire Line
+	7800 4200 8600 4200
+Connection ~ 7800 2200
+Wire Wire Line
+	7800 2200 8600 2200
+Wire Wire Line
+	7750 2300 7750 4300
+Wire Wire Line
+	7750 4300 8600 4300
+Connection ~ 7750 2300
+Wire Wire Line
+	7750 2300 6700 2300
+Wire Wire Line
+	6350 5600 6350 1600
+Connection ~ 6350 1600
+Wire Wire Line
+	6350 1600 8100 1600
+Wire Wire Line
+	6400 1700 6400 5700
+Wire Wire Line
+	6400 5700 6350 5700
+Connection ~ 6400 1700
+Wire Wire Line
+	6400 1700 8050 1700
+Wire Wire Line
+	6450 5800 6350 5800
+Wire Wire Line
+	6450 1800 6450 5800
+Connection ~ 6450 1800
+Wire Wire Line
+	6450 1800 5350 1800
+Wire Wire Line
+	6500 1900 6500 5900
+Wire Wire Line
+	6500 5900 6350 5900
+Connection ~ 6500 1900
+Wire Wire Line
+	6500 1900 7950 1900
+Wire Wire Line
+	6350 6000 6550 6000
+Wire Wire Line
+	6550 6000 6550 2000
+Connection ~ 6550 2000
+Wire Wire Line
+	6550 2000 7900 2000
+Wire Wire Line
+	6600 2100 6600 6100
+Wire Wire Line
+	6600 6100 6350 6100
+Connection ~ 6600 2100
+Wire Wire Line
+	6600 2100 5350 2100
+Wire Wire Line
+	6350 6200 6650 6200
+Wire Wire Line
+	6650 6200 6650 2200
+Connection ~ 6650 2200
+Wire Wire Line
+	6650 2200 7800 2200
+Wire Wire Line
+	6700 2300 6700 6300
+Wire Wire Line
+	6700 6300 6350 6300
+Connection ~ 6700 2300
+Wire Wire Line
+	6700 2300 5350 2300
+Wire Wire Line
+	5550 5600 2650 5600
+Wire Wire Line
+	2650 5600 2650 1600
+Wire Wire Line
+	2650 1600 2800 1600
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+Wire Wire Line
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+Wire Wire Line
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+$EndSCHEMATC
diff --git a/Hardware/Apple2IORPi.sch-bak b/Hardware/Apple2IORPi.sch-bak
new file mode 100644
index 0000000..bf58a80
--- /dev/null
+++ b/Hardware/Apple2IORPi.sch-bak
@@ -0,0 +1,520 @@
+EESchema Schematic File Version 4
+EELAYER 30 0
+EELAYER END
+$Descr USLedger 17000 11000
+encoding utf-8
+Sheet 1 1
+Title "Parallel Apple II Pi"
+Date "2020-11-02"
+Rev "0.1"
+Comp "Terence J. Boldt"
+Comment1 "Initial draft desgn"
+Comment2 "Provides storage and network for the Apple ]["
+Comment3 "Raspberry Pi Zero W as a daughter board"
+Comment4 "Expansion card for Apple ][ computers"
+$EndDescr
+$Comp
+L Connector_Generic:Conn_02x25_Counter_Clockwise J?
+U 1 1 5FA0A8C3
+P 3000 2700
+F 0 "J?" H 3050 4117 50  0000 C CNN
+F 1 "Apple II Expansion Bus" H 3050 4026 50  0000 C CNN
+F 2 "" H 3000 2700 50  0001 C CNN
+F 3 "~" H 3000 2700 50  0001 C CNN
+	1    3000 2700
+	1    0    0    -1  
+$EndComp
+$Comp
+L Memory_EPROM:2764 U?
+U 1 1 5FA0EF8B
+P 5950 6400
+F 0 "U?" H 5950 7581 50  0000 C CNN
+F 1 "2764" H 5950 7490 50  0000 C CNN
+F 2 "Package_DIP:DIP-28_W15.24mm" H 5950 6400 50  0001 C CNN
+F 3 "https://downloads.reactivemicro.com/Electronics/ROM/2764%20EPROM.pdf" H 5950 6400 50  0001 C CNN
+	1    5950 6400
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS245 U?
+U 1 1 5FA15F43
+P 4850 2100
+F 0 "U?" H 4850 3081 50  0000 C CNN
+F 1 "74LS245" H 4850 2990 50  0000 C CNN
+F 2 "" H 4850 2100 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 4850 2100 50  0001 C CNN
+	1    4850 2100
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS245 U?
+U 1 1 5FA19168
+P 9100 2100
+F 0 "U?" H 9100 3081 50  0000 C CNN
+F 1 "74LS245" H 9100 2990 50  0000 C CNN
+F 2 "" H 9100 2100 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS245" H 9100 2100 50  0001 C CNN
+	1    9100 2100
+	1    0    0    -1  
+$EndComp
+$Comp
+L Connector:Raspberry_Pi_2_3 J?
+U 1 1 5FA19C2C
+P 13050 2550
+F 0 "J?" H 13050 4031 50  0000 C CNN
+F 1 "Raspberry_Pi_2_3" H 13050 3940 50  0000 C CNN
+F 2 "" H 13050 2550 50  0001 C CNN
+F 3 "https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_3bplus_1p0_reduced.pdf" H 13050 2550 50  0001 C CNN
+	1    13050 2550
+	1    0    0    -1  
+$EndComp
+$Comp
+L 74xx:74LS374 U?
+U 1 1 5FA1EB22
+P 9100 4100
+F 0 "U?" H 9100 5081 50  0000 C CNN
+F 1 "74LS374" H 9100 4990 50  0000 C CNN
+F 2 "" H 9100 4100 50  0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS374" H 9100 4100 50  0001 C CNN
+	1    9100 4100
+	1    0    0    -1  
+$EndComp
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+$EndSCHEMATC
diff --git a/Hardware/fp-info-cache b/Hardware/fp-info-cache
new file mode 100644
index 0000000..573541a
--- /dev/null
+++ b/Hardware/fp-info-cache
@@ -0,0 +1 @@
+0