Amiga 2000 revision 6.2 motherboard re-done in KiCAD.
Schematics and PCB done, and working, see README for notes.
WARNING: stability issue with Wicher 500i, could be noise related from accelerator speed.
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116 lines
2.4 KiB

EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 1 13
Title ""
Date "07/06/1987"
Rev "6.2-a"
Comp "Commodore"
Comment1 "Drawn by: Dave Haynie"
Comment2 "Used on: A2000-CR"
Comment3 ""
Comment4 ""
$EndDescr
$Sheet
S 1000 1000 1000 500
U 5CEA6F7F
F0 "processor" 50
F1 "processor.sch" 50
$EndSheet
$Sheet
S 2500 1000 1000 500
U 5CEA6FCB
F0 "paula" 50
F1 "paula.sch" 50
$EndSheet
$Sheet
S 4000 1000 1000 500
U 5CEA702B
F0 "serial" 50
F1 "serial.sch" 50
$EndSheet
$Sheet
S 5500 1000 1000 500
U 5CEA7058
F0 "power" 50
F1 "power.sch" 50
$EndSheet
$Sheet
S 7000 1000 1000 500
U 5CEA708D
F0 "chipram" 50
F1 "chipram.sch" 50
$EndSheet
$Sheet
S 8500 1000 1000 500
U 5CEA70D9
F0 "zorro" 50
F1 "zorro.sch" 50
$EndSheet
$Sheet
S 1000 2000 1000 500
U 5CEA7188
F0 "pc slots" 50
F1 "pc slots.sch" 50
$EndSheet
$Sheet
S 2500 2000 1000 500
U 5CEA71BC
F0 "expansion logic" 50
F1 "expansion logic.sch" 50
$EndSheet
$Sheet
S 4000 2000 1000 500
U 5CEA71EC
F0 "agnus" 50
F1 "agnus.sch" 50
$EndSheet
$Sheet
S 5500 2000 1000 500
U 5CEA721E
F0 "parallel" 50
F1 "parallel.sch" 50
$EndSheet
$Sheet
S 7000 2000 1000 500
U 5CEA7254
F0 "denise" 50
F1 "denise.sch" 50
$EndSheet
$Sheet
S 8500 2000 1000 500
U 5CEA727E
F0 "coprocessor slot" 50
F1 "coprocessor slot.sch" 50
$EndSheet
Text Notes 1050 1350 0 79 ~ 0
review 1 : ok\nreview 2 :
Text Notes 900 6350 0 157 ~ 0
Rev 6.3 fixes :\n - Kickstart 2.03 and Denise 8373\n\nRev 6.4 fixes :\n - Agnus 8375\n - Instead of R101, add a capacitor (100nF) from right side of R101 to ground
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review 1 : ok\nreview 2 :
Text Notes 1850 3950 0 118 ~ 0
Notes: XX4256-15 pins 18 and 19 are swapped in the original scanned schematics\npin 18 of U501 is DRD2, and 19 is DRD3.
$EndSCHEMATC