PET/CBM Parts
Location Part Number Description
6502 CPU
6520 (2) PIA
6522 VIA
UB13 6545 CRTC
C3, C4 6550 (2) 1K x 4 static RAM (screen)
I1-J8 6550 (8 or 16) 1K x 4 static RAM
2114 (2 or 4) 1K x 4 static RAM (screen)
I1-J8 2114 (8 or 16) 1K x 4 static RAM
4116 (8 or 16) 16K x 1 dynamic RAM
BASIC 1
A2 901439-08 6540-010 ROM Basic 1 Character
H1 901439-01 6540-011 ROM Basic 1 C000-C7FF
H5 901439-05 6540-012 ROM Basic 1 C800-CFFF
H2 901439-02 6540-013 ROM Basic 1 D000-D7FF
H6 901439-06 6540-014 ROM Basic 1 D800-DFFF
H3 901439-03 6540-015 ROM Basic 1 E000-E7FF
H4 901439-04 6540-016 ROM Basic 1 F000-F7FF
H7 901439-07 6540-018 ROM Basic 1 F800-FFFF
H1 901439-09 6540-019 ROM Basic 1r C000-C7FF
H1/H5 901447-01 2316B-01 ROM Basic 1 C000-C7FF
H1/H5 901447-02 2316B-02 ROM Basic 1 C800-CFFF
H2/H6 901447-03 2316B-03 ROM Basic 1 D000-D7FF
H2/H6 901447-04 2316B-04 ROM Basic 1 D800-DFFF
H3 901447-05 2316B-05 ROM Basic 1 E000-E7FF
H4/H7 901447-06 2316B-06 ROM Basic 1 F000-F7FF
H4/H7 901447-07 2316B-07 ROM Basic 1 F800-FFFF
A2 901447-08 2316B-08 ROM Basic 1 Character
H1/H5 901447-09 2316B-09 ROM Basic 1r C000-C7FF
BASIC 2 & 3
H1 901439-13 6540-020 ROM Basic 2 C000-C7FF
H5 901439-14 6540-021 ROM Basic 2 C800-CFFF
H2 901439-15 6540-022 ROM Basic 2 D000-D7FF
H6 901439-16 6540-023 ROM Basic 2 D800-DFFF
H3 901439-17 6540-024 ROM Basic 2 E000-E7FF
H4 901439-18 6540-025 ROM Basic 2 F000-F7FF
H7 901439-19 6540-026 ROM Basic 2 F800-FFFF
901447-10 2316-004 ROM Basic 2 Character
H1/H5 901447-20 2316-007 ROM Basic 2 C000-C7FF
H1/H5 901447-21 2316-008 ROM Basic 2 C800-CFFF
H2/H6 901447-22 2316-009 ROM Basic 2 D000-D7FF
H2/H6 901447-23 2316 ROM Basic 2 D800-DFFF
901447-24 2316-011 ROM Basic 2 EOOO-E7FF (PET)
901474-01 2316-024 ROM Basic 2 EOOO-E7FF (CBM40)
H4/H7 901447-25 2316-012 ROM Basic 2 F000-F7FF
H4/H7 901447-26 2316-013 ROM Basic 2 F800-FFFF
901465-01 2332-007 ROM Basic 2 COOO-CFFF
901465-02 2332-008 ROM Basic 2 DOOO-DFFF
901465-03 2332-009 ROM Basic 2 FOOO-FFFF
BASIC 4.0
901465-19 2332 ROM Basic 4.0 B000-BFFF
901465-20 2332-059 ROM Basic 4.0 C000-CFFF
901465-21 2332-096 ROM Basic 4.0 D000-DFFF
UD8 901447-29 2316-034 ROM Basic 4.0 E000-E7FF (PET)
901474-02 2316-035 ROM Basic 4.0 E000-E7FF (CBM40)
UD7 901474-03 2316-041 ROM Basic 4.0 E000-E7FF (CBM80 60Hz)
UD7 901474-04 2316-059 ROM Basic 4.0 E000-E7FF (CBM80 50Hz)
UD7 901498-01 2316 ROM Basic 4.0 E000-E7FF (PET 50Hz)
UD7 901499-01 2316 ROM Basic 4.0 E000-E7FF (PET 60Hz)
UD7 970150-07 2516 EPROM Basic 4.0 E000-E7FF (PET 60Hz 9")
UD7 ROM Basic 4.0 E000-E7FF (CBM40 60Hz)
UD7 ROM Basic 4.0 E000-E7FF (CBM40 50Hz)
901465-22 2332-075 ROM Basic 4.0 F000-FFFF
901465-23 2332-120 ROM Basic 4.0r B000-BFFF
UB3 901640-01 2332-221 ROM SuperPET Character
Note: 63xx ROMs were apparently used interchangeably with 23xx ROMs,
using the same part numbers.