Apple Chip Designations: Difference between revisions
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===Note:=== Use of "-00", "-DO", etc. suffixes (or no suffix) seems to vary randomly. For instance, an E8 ROM might be numbered 341-0014 or 341-0014-00 and have "E8" stamped elsewhere on the ROM. In most cases, this also seems to apply to "-A", "-B" suffixes (or having no suffix). It has been suspect that "-A", "-B" suffixes could be used to denote IC runs or batches. | |||
=== Note: === Use of "-00", "-DO", etc. suffixes (or no suffix) seems to vary randomly. For instance, an E8 ROM might be numbered 341-0014 or 341-0014-00 and have "E8" stamped elsewhere on the ROM. In most cases, this also seems to apply to "-A", "-B" suffixes (or having no suffix). It has been suspect that "-A", "-B" suffixes could be used to denote IC runs or batches. | |||
There is some evidence that the prefix "341" vs "342" may denote manufacture or locations, 342 being Singapore. Perhaps it could also denote NMOS vs CMOS die fabrication. Also, 341/342 are always ROMs, and 344 are always custom ASICs. | There is some evidence that the prefix "341" vs "342" may denote manufacture or locations, 342 being Singapore. Perhaps it could also denote NMOS vs CMOS die fabrication. Also, 341/342 are always ROMs, and 344 are always custom ASICs. | ||
Revision as of 04:41, 21 December 2021
Vintage Apple Computer Inc. - IC part numbers (designations).
| Number | Model | Chip | Description |
|---|---|---|---|
| 331-0931-B | II+ | Custom | Keyboard Controller |
| 341-0001-00 | II+ | ROM 2kb*8 | Integer BASIC (E0) |
| 341-0002-00 | II+ | ROM 2kb*8 | Integer BASIC (E8) |
| 341-0003-00 | II+ | ROM 2kb*8 | Integer BASIC (F0) |
| 341-0004-00 | II+ | ROM 2kb*8 | Non Autostart Monitor (F8), complete set: 341-0001-00, 341-0002-00, 341-0003-00 and optional 341-0016-00 |
| 342-0007 | ISA Bus | ROM | Apple LocalTalk PC Card, Firmware |
| 342-0007-B | ISA Bus | ROM | Apple LocalTalk PC Card, Firmware |
| 341-0008 342-0008-A | AppleBus Card | PROM 256*8 (TBP28L22N or 6309) | Communication Card 670-9003 (RS-232 via 6850) |
| 341-0009 | AppleBus Card | PROM 256*8 (TBP28L22N or 6309) | 13 Sector Drive Controller P5 ROM (firmware) |
| 341-0010 | AppleBus Card | PROM 256*8 (TBP28L22N or 6309) | 13 Sector Drive Controller P6 ROM |
| 341-0011 | II+ | ROM 2kb*8 | Applesoft BASIC (D0) |
| 341-0012 | II+ | ROM 2kb*8 | Applesoft BASIC (D8) |
| 341-0013 | II+ | ROM 2kb*8 | Applesoft BASIC (E0) |
| 341-0014 | II+ | ROM 2kb*8 | Applesoft BASIC (E8) |
| 341-0015 | II+ | ROM 2kb*8 | Applesoft BASIC (F0) |
| 341-0016-00 | II, II+ | ROM 2kb*8 | Programmer's Aid #1 (D0) |
| 341-0020 | II+ | ROM 2kb*8 | Autostart Monitor ROM (F8), complete set: 341-0011, 341-0012, 341-0013, 341-0014, 341-0015 |
| 341-0021-00 | II+ | ROM 2kb*8 | probably part of Basic |
| 341-0026-00 | AppleBus Card | ROM | Graphics Tablet Interface |
| 341-0027-A | AppleBus Card | PROM 256*8 (TBP28L22N or 6309) | 16 Sector Drive Controller P5 ROM (firmware) |
| 341-0028-01 341-0028-A | AppleBus Card, III | PROM 256*8 (TBP28L22N or 6309) | 16 Sector Drive Controller P6 ROM |
| 341-0030 342-0030 | III | ROM 2kb*8 | Video elements/attributes generator |
| 341-0031-01 342-0031 | III | ROM 8kb*8 | BIOS, Kernel |
| 341-0032-00 | III | ROM | Video Mode Select |
| 342-0033-A | IIc | ROM 32kb*8 | Monitor ROM $00 |
| 341-0034-A 342-0034-B | ImageWriter II, LQ | ROM 8kB*8 | Firmware (LocalTalk Option) |
| 341-0035 342-0035 | IIc, IIe, III | KR3600-075B1 Keyboard Controller | |
| 341-0036 | II+ | ROM | Character ROM (Rev.7+) |
| 341-0041 | III | PROM | CASB65 PROM (old) |
| 341-0042 | III | PROM | CAS128 PROM (4116 / 12V) |
| 341-0043 342-0043 | III | PROM | Status PROM |
| 341-0044 | III | PROM | RAS128 PROM (4116 / 12V) |
| 341-0045 342-0045-A | III | PROM | I/O Address generator |
| 341-0046 342-0046 | III | PROM | Timing Logic |
| 341-0052 | III | PROM | Video/main memory bank select |
| 341-0055 342-0055-A | III | PROM | Video/main memory bank select |
| 341-0056 342-0056-A | III | PROM | CASB65 PROM |
| 341-0057 | III | PROM 512*8 | Universal Parallel Interface |
| 341-0059-A | AppleBus Card | ROM 2kb*8 | IEEE-488 Interface Card 1980 |
| 341-0060 | III | ROM 2kb*8 | Video scan decode ROM 50 Hz |
| 341-0061-A 342-0061 | III | PROM | RAS256 PROM (4164 / 5V) |
| 341-0062-A | III | PROM | CAS128 PROM (4164 / 5V) |
| 341-0063-A 342-0063-A | III | PROM | CAS256 PROM (4164 / 5V) |
| 341-0065-A | AppleBus Card | ROM 2kb*8 | Super Serial Card ROM |
| 341-0066-A | ProFile | PROM | ProFile Controller PROM (U29) |
| 341-0067-A | ProFile | PROM | ProFile Controller PROM (U37) |
| 341-0068-A | ProFile | PAL 16L8 | ProFile Controller PAL (U27) |
| 342-0077-A | IIgs | ROM 128kb*8 or 256kb*8 | ROM-00 |
| 342-0077-B | IIgs | ROM 128kb*8 or 256kb*8 | ROM-01 |
| 341-0080 | ProFile 5MB | ROM 2kb*8, Z8601 | ProFile 5MB RW Z8 version 3.97 |
| 341-0080-B | ProFile 5MB | ROM 2kb*8, Z8601 | ProFile 5MB RW Z8 version 3.98 |
| 342-0081-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 L0 ROM |
| 342-0082-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 H0 ROM |
| 342-0083-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 L1 ROM |
| 342-0084-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 H1 ROM |
| 342-0085-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 L2 ROM |
| 342-0086-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 H2 ROM |
| 342-0087-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 L3 ROM |
| 342-0088-A | LaserWriter | ROM | LaserWriter Printer 512K Rev 2 H3 ROM |
| 342-0089-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L0 ROM |
| 342-0090-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H0 ROM |
| 342-0091-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L1 ROM |
| 342-0092-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H1 ROM |
| 342-0093-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L2 ROM |
| 342-0094-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H2 ROM |
| 342-0095-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L3 ROM |
| 342-0096-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H3 ROM |
| 342-0097-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L4 ROM |
| 342-0098-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H4 ROM |
| 342-0099-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L5 ROM |
| 342-0100-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H5 ROM |
| 342-0101-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L6 ROM |
| 342-0102-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H6 ROM |
| 342-0103-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 L7 ROM |
| 342-0104-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512K Rev 2 H7 ROM |
| 341-0112-A | AppleBus Card | ROM 8k*8 | Apple SCSI (non-HS) Revision A Firmware |
| 341-0112-B | AppleBus Card | ROM 8k*8 | Apple SCSI (non-HS) Revision B Firmware |
| 342-0120 | NuBus Card | ROM 4k*8 | PC Drive Card (630-4161, 820-0213-A) |
| 341-0124-A | IIgs | i8048 | IIgs Keyboard |
| 341-0127-A | AppleBus Card | PROM 256*8 (TBP28L22N or 6309) | 16 Sector Drive Controller P5A ROM (firmware) |
| 341-0128-A | AppleBus Card | PROM 256*8 (TBP28L22N or 6309) | 16 Sector Drive Controller P6A ROM |
| 341-0132-A 342-0132-A | IIc, IIe | ROM 2kb*8 | Keyboard USA w/Dvorak |
| 341-0132-B 342-0132-B | IIc, IIe | ROM 2kb*8 | Keyboard USA w/Dvorak |
| 341-0132-C 342-0132-C | IIc, IIe | ROM 2kb*8 | Keyboard USA w/Dvorak |
| 342-0132-D | IIc, IIe | ROM 2kb*8 | Keyboard USA w/Dvorak |
| 342-0133-A | IIc, IIe | ROM 4kb*8 | Video US-NTSC (Character Generator) |
| 342-0134-A | IIc, IIe | ROM 8kb*8 | EF ROM |
| 342-0135-A | IIc, IIe | ROM 8kb*8 | CD ROM |
| 342-0135-B | IIc, IIe | ROM 8kb*8 | CD ROM |
| 341-0138-D | Lisa 1 | ROM 4kb*8 | Disk ROM |
| 341-0138-E | Lisa 1 | ROM 4kb*8 | Disk ROM |
| 341-0138-F | Lisa 1 | ROM 4kb*8 | Disk ROM |
| 341-0145 | III | ROM 2kb*8 | Video scan decode ROM interlace upgrade |
| 341-0150-A | IIc, IIe | ROM 2kb*8 | Keyboard ROM UK/USA |
| 341-0151-A | IIc, IIe | ROM 2kb*8 | Keyboard ROM Germany/USA Rev.A |
| 341-0154 | IIc, IIe | ROM 2kb*8 | Keyboard ROM Italy/USA |
| 341-0160-A | IIc, IIe | ROM 2kb*8 | Video ROM UK/USA |
| 341-0161-A | IIc, IIe | ROM 2kb*8 | Video ROM Germany/USA Rev.A |
| 341-0164 | IIc, IIe | ROM 2kb*8 | Video ROM Italy/USA |
| 341-0170-A 342-0170-A | IIc, IIe | HAL/PAL 16R8 | TMG DRAM/NTSC Video Timing Generator |
| 342-0176B | IIe P.A.L. | HAL/PAL 16R8 | TMG DRAM/PAL Video Timing Generator |
| 341-0171-A | ProFile 5MB | Z8610 | RW Z8 ROM version 3.98 |
| 342-0172-A | Lisa 2/5 | PROM 256*8 | 16 Sector drive controller P6A ROM, same as 34x-0028 |
| 341-0175-B | Lisa | ROM 8kb*8 | Boot ROM Hi (old) |
| 341-0175-C | Lisa | ROM 8kb*8 | Boot ROM Hi (old) |
| 341-0175-D | Lisa | ROM 8kb*8 | Boot ROM Hi (old) |
| 341-0175-F | Lisa | ROM 8kb*8 | Boot ROM Hi (old) |
| 341-0175-H | Lisa | ROM 8kb*8 | Boot ROM Hi |
| 341-0176-B | Lisa | ROM 8kb*8 | Boot ROM Lo (old) |
| 341-0176-C | Lisa | ROM 8kb*8 | Boot ROM Lo (old) |
| 341-0176-D | Lisa | ROM 8kb*8 | Boot ROM Lo (old) |
| 341-0176-F | Lisa 2 | ROM 8kb*8 | Boot ROM Lo (old) |
| 341-0176-H | Lisa | ROM 8kb*8 | Boot ROM Lo |
| 341-0181 | ? | EPROM 2kb*8 | ? |
| 341-0182 | ? | EPROM 2kb*8 | ? |
| 341-0193-A | Lisa | ROM 2kb*8 | Parallel Interface Card |
| 342-0220-A | Mac 128 | ROM 32kb*8 | Hi |
| 342-0220-B | Mac 128 | ROM 32kb*8 | Hi |
| 342-0221-A | Mac 128 | ROM 32kb*8 | Lo |
| 342-0221-B | Mac 128 | ROM 32kb*8 | Lo |
| 341-0229-A | Lisa | PROM 256*8 | Video PROM |
| 342-0243-A | IIc | PAL 20X4 or GAL 20XV10 | GLU |
| 341-0246 | NuBus Card | ROM | Apple EtherNet NB (A/ROSE) |
| 342-0250-A | Mac 512 | PAL 16L8 | BMU1 |
| 342-0251-A | Mac 512 | PAL 16R8 | LAG |
| 342-0252-A | Mac 512 | PAL 16R6 | TSG |
| 342-0253-A | Mac 512 | PAL 16R8 | ASG |
| 342-0254-A | Mac 512 | PAL 16R4 | TSM |
| 342-0255-A | Mac 512 | PAL 16R4 | BMU0 |
| 341-0260-A | Z8601 | Widget-10 Servo Z8 | |
| 341-0265-A 342-0265-A | IIc, IIe | ROM 4kb*8 | Character Generator USA (Enhanced) |
| 341-0266 | NuBus Card | ROM | Macintosh Display Card 8•24GC |
| 342-0268 | AppleBus Card | PAL 16R4 | Mouse Card |
| 341-0269 | AppleBus Card | CPU 68HC05 | Mouse Card, see also 342-0285 |
| 342-0270-C | AppleBus Card | ROM | Mouse Card, Firmware |
| 341-0271-A | AppleBus Card | ROM 2kb*8 | ProFile Controller: Firmware 5MB |
| 342-0272-A | IIc | ROM 16kb*8 | Monitor ROM FF |
| 342-0273-A | IIc, IIe | ROM 2kb*8 | Video ROM UK |
| 342-0274-A | IIc, IIe | ROM 2kb*8 | Video ROM French |
| 342-0275-A | IIc, IIe | ROM 2kb*8 | Video ROM DE |
| 342-0276-A | IIc, IIe | ROM 2kb*8 | Video ROM Italian |
| 341-0281-D | Lisa | ROM 4kb*8 | 2/10 Disk ROM |
| 342-0284-A | IIc, IIe | ROM 2kb*8 | (enhanced) Keyboard ROM IT/USA |
| 342-0285 | AppleBus Card | CPU 68HC05 | Mouse Card, see also 341-0269 |
| 341-0286-A | ProFile 10MB | ROM 4kb*8, Z8611 | RW ROM |
| 341-0287 | ProFile 10MB | ||
| 341-0288-A | Widget-10 Controller (677-0108) Z8 Piggyback | ||
| 341-0289-A | Widget-10 Controller | Z8 Piggyback 8k*8 | Widget-10 Controller 1A42 |
| 341-0289-B | Widget-10 Controller | Z8 Piggyback 8k*8 | Widget-10 Controller 1A43 |
| 341-0289-C | Widget-10 Controller | Z8 Piggyback 8k*8 | Widget-10 Controller 1A44 |
| 341-0289-D | Widget-10 Controller | Z8 Piggyback 8k*8 | Widget-10 Controller 1A45 |
| 341-0290-B | Lisa | ROM 2kb*8 | 2/5 Disk ROM |
| 342-0297-H0 | ? | Printer H0 ROM | |
| 341-0299-A | AppleBus Card | ROM 2kb*8 | ProFile Controller: Firmware 10MB |
| 341-0299-B | AppleBus Card | ROM 2kb*8 | ProFile Controller: Firmware 10MB |
| 342-0303-A | IIe | ROM 8kb*8 | (Enhanced) EF ROM |
| 342-0304-A | IIe | ROM 8kb*8 | (Enhanced) CD ROM |
| 342-0306-A | IIc, IIe | ROM 2kb*8 | Keyboard ROM French |
| 342-0307-A | IIc, IIe | ROM 2kb*8 | Keyboard ROM Spanish |
| 342-0309-H1 | ? | Printer H1 ROM | |
| 342-0310-H2 | ? | Printer H2 ROM | |
| 342-0311-H3 | ? | Printer H3 ROM | |
| 342-0312-H4 | ? | Printer H4 ROM | |
| 342-0313-H5 | ? | Printer H5 ROM | |
| 342-0314-H6 | ? | Printer H6 ROM | |
| 342-0315-H7 | ? | Printer H7 ROM | |
| 342-0316-L0 | ? | Printer L0 ROM | |
| 342-0317-L1 | ? | Printer L1 ROM | |
| 342-0318-L2 | ? | Printer L2 ROM | |
| 342-0319-L3 | ? | Printer L3 ROM | |
| 342-0320-L4 | ? | Printer L4 ROM | |
| 342-0321-L5 | ? | Printer L5 ROM | |
| 342-0322-L6 | ? | Printer L6 ROM | |
| 342-0323-L7 | ? | Printer L7 ROM | |
| 342-0327-A | IIe | ROM 2kb*8 | (enhanced) Keyboard ROM deutsch/usa |
| 342-0329 | IIe | ROM 2kb*8 | (enhanced) Keyboard ROM Italy/USA |
| 342-0341-A | Mac Plus | ROM 64kb*8 | Hi V1 |
| 342-0341-B | Mac Plus | ROM 64kb*8 | Hi V2 |
| 342-0341-C | Mac Plus | ROM 64kb*8 | Hi V3 |
| 342-0342-A | Mac Plus | ROM 64kb*8 | Lo V1/V2 |
| 342-0342-B | Mac Plus | ROM 64kb*8 | Lo V3 |
| 342-0343-A | HD20 | ROM 8kb*8 | v3271 |
| 342-0343-B | HD20 | ROM 8kb*8 | v3271 |
| 341-0344-A | AppleBus Card | ROM 4kb*8 | Apple II Memory Expansion aka Slinky |
| 341-0346-A | Mac XL | ROM 8kb*8 | Boot ROM Lo |
| 341-0347-A | Mac XL | ROM 8kb*8 | Boot ROM Hi |
| 341-0348-A | Mac XL | PROM 256*8 | Video PROM |
| 342-0349-A | IIe (Platinum) | ROM 16kb*8 | CF ROM |
| 342-0349-B | IIe (Platinum) | ROM 16kb*8 | CF ROM |
| 342-0352-A | Mac SE | ROM 128kb*8 | High |
| 342-0353-A | Mac SE | ROM 128kb*8 | Low |
| 342-0359-A | LaserWriter | ROM | LaserWriter Printer 1M Rev 47 L0 ROM |
| 342-0360-A | LaserWriter | ROM | LaserWriter Printer 1M Rev 47 H0 ROM |
| 342-0361-A | LaserWriter | ROM | LaserWriter Printer 1M Rev 47 L1 ROM |
| 342-0362-A | LaserWriter | ROM | LaserWriter Printer 1M Rev 47 H1 ROM |
| 342-0363-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 L0 ROM |
| 342-0364-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 H0 ROM |
| 342-0365-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 L1 ROM |
| 342-0366-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 H1 ROM |
| 342-0367-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 L2 ROM |
| 342-0368-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 H2 ROM |
| 342-0369-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 L3 ROM |
| 342-0370-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 1M Rev 47 H3 ROM |
| 342-0371-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L0 ROM |
| 342-0372-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H0 ROM |
| 342-0373-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L1 ROM |
| 342-0374-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H1 ROM |
| 342-0375-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L2 ROM |
| 342-0376-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H2 ROM |
| 342-0377-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L3 ROM |
| 342-0378-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H3 ROM |
| 342-0379-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L4 ROM |
| 342-0380-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H4 ROM |
| 342-0381-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L5 ROM |
| 342-0382-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H5 ROM |
| 342-0383-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L6 ROM |
| 342-0384-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H6 ROM |
| 342-0385-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 L7 ROM |
| 342-0386-A | LaserWriter Plus | ROM | LaserWriter Plus Printer 512k Rev 47 H7 ROM |
| 341-0392 | Mac LC | ROM 128kb*8 | (c) Apple 1983-1990 |
| 341-0393 | Mac LC | ROM 128kb*8 | (c) Apple 1983-1990 |
| 341-0394 | Mac LC | ROM 128kb*8 | (c) Apple 1983-1990 |
| 341-0395 | Mac LC | ROM 128kb*8 | (c) Apple 1983-1990 |
| 341-0414-A | HD20 | PAL 16R6A | |
| 341-0415 | AppleBus Card | PAL 16L8 | SCSI Controller Card: <unknown> |
| 341-0416 | AppleBus Card | PAL 16L8 | SCSI Controller Card: <unknown> |
| 341-0437-A | AppleBus Card | ROM 8kb*8 | SCSI (non-HS) Revision C Firmware |
| 341-0438-A | AppleBus | ROM 32kb*8 | 3.5" Disk Controller |
| 341-0445-A 342-0445-A | IIc | ROM 32kbx8 | Monitor ROM $03(?) |
| 341-0445-B | IIc | ROM 32kbx8 | Monitor ROM $04 |
| 342-0545-A | ? | Printer L0 ROM | |
| 342-0546-A | ? | Printer H0 ROM | |
| 342-0547-A | ? | Printer L1 ROM | |
| 342-0548-A | ? | Printer H1 ROM | |
| 342-0549-A | ? | Printer L2 ROM | |
| 342-0550-A | ? | Printer H2 ROM | |
| 342-0551-A | ? | Printer L3 ROM | |
| 342-0552-A | ? | Printer H3 ROM | |
| 342-0568-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 L0 ROM |
| 342-0569-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 H0 ROM |
| 342-0570-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 L1 ROM |
| 342-0571-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 H1 ROM |
| 342-0572-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 L2 ROM |
| 342-0573-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 H2 ROM |
| 342-0574-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 L3 ROM |
| 342-0575-A | LaserWriter | ROM | LaserWriter Printer 512k Rev 47 H3 ROM |
| 341-0625-A | IIc+ | ROM 32kb*8 | Monitor ROM $05 |
| 341-0650-01 | Mac SE/30 | ROM | Video ROM |
| 341-0660 | NuBus Card | ROM 8kb*8 | Hi Res Display (Toby Frame Buffer) |
| 341-0661 | ? | 40pol DIP | seen on Ebay together with 341-0662 |
| 341-0662 | ? | 40pol DIP | seen on Ebay together with 341-0661 |
| 341-0668-A | NuBus Card | ROM ? *8 | Nubus Monochrom Video Card 820-0285-A 630-4385- |
| 341-0722 | NuBus Card | ROM | NuBus Serial A (A/ROSE) |
| 341-0723 | NuBus Card | ROM | NuBus Serial C (A/ROSE) |
| 341-0728 | IIgs | ROM 128kb*8 or 256kb*8 | ROM 3 FC-FD (prototype) |
| 341-0729 | IIgs | ROM 128kb*8 or 256kb*8 | ROM 3 FE-FF (prototype) |
| 341-0737 | IIgs | ROM 128kb*8 or 256kb*8 | ROM 3 FC-FD |
| 341-0748 | IIgs | ROM 128kb*8 or 256kb*8 | ROM 3 FE-FF |
| 341-0749 | IIgs | ROM 128kb*8 or 256kb*8 | ROM 3 FE-FF (prototype) |
| 341-0801[-02] | NuBus Card | ROM 16kb*8 | Macintosh Display Card 670- (630-0400, 820-0600-A), (4*8, 8*24) ROM v1.0.1 |
| 341-0803 | AppleBus Card | ROM 32k*8 | Apple II HighSpeed SCSI Card |
| 341-0860 | Printer ROM LL | ||
| 341-0861 | Printer ROM LM | ||
| 341-0862 | Printer ROM UM | ||
| 341-0863 | Printer ROM UU | ||
| 341-0868 | NuBus Card | ROM 32kb*8 | Macintosh Display Card 670- (630-0400, 820-0600-A), (4*8, 8*24) ROM v1.2 |
| 341-0873 | NuBus Card | ROM 64kb*16 | TokenRing 4/16 NB Card (A/ROSE) |
| 341-8003-A | Mac XL | ROM 4kb*8 | Sun Mac XL Disk ROM for 800k drives (from 2/5) |
| 341-8003-B | Mac XL | ROM 4kb*8 | Sun Mac XL Disk ROM for 800k drives (from Sun XL) |
| 341-8003-C | Mac XL | ROM 4kb*8 | Sun Mac XL Disk ROM for 800k drives (from Goodwill XL) |
| 341-8007 | ROM 2kb*8 | Sun SCSI Card | |
| 343S0041 | IIgs | IWM - Integrated Woz Machine FDC | |
| 341S0345 | IIgs | M50740 6502 based MPU | ADB Keyboard Controller |
| 342S0639-A | SE/30 | ROM-SIMM 4* 64kb*8 | Firmware |
| 342S0640-A | SE/30 | ROM-SIMM 4* 64kb*8 | Firmware |
| 342S0641-A | SE/30 | ROM-SIMM 4* 64kb*8 | Firmware |
| 342S0642-A | SE/30 | ROM-SIMM 4* 64kb*8 | Firmware |
| 341S1055-A | AppleBus Card | GAL 16V8 | 3.5" Disk Controller <unknown> |
| 341S1056-A | AppleBus Card | GAL 16V8 | 3.5" Disk Controller <unknown> |
| 341S1057-A | AppleBus Card | GAL 16V8 | 3.5" Disk Controller <unknown> |
| 341S1058-A | AppleBus Card | GAL 16V8 | 3.5" Disk Controller <unknown> |
| 343S0061-A | AppleBus Card | 3.5" Disk Controller: SWIM - Super Integrated Woz Machine FDC | |
| 343-0051 | IIgs | DOC5503 - Ensoniq Digital Oscillator (Sound) | |
| 343S6502-A | AppleBus Card | VLSI 6502 CPU | 3.5" Disk Controller: CPU |
| 344-0010 | IIe | ASIC | MMU |
| 344-0010-B | IIe | ASIC | MMU |
| 344-0011 | IIc | ASIC | MMU |
| 344-0011-B | IIc | ASIC | MMU |
| 344-0020-A | IIe | ASIC | IOU 50Hz? |
| 344-0020-B | IIe | ASIC | IOU 60Hz? |
| 344-0021-B | IIe | ASIC | IOU International 50Hz/60Hz |
| 344-0022-A | IIc, IIe | ASIC | IOU 50Hz |
| 344-0023-A | IIc | ASIC | IOU 50Hz |
| 344-0040 | IIgs | RTC - Real Time Clock | |
| 344-0041-B | Mac 512 | IWM | |
| 344-0042-B | Mac 512 | RTC | |
| 344S0046-C | IIgs | VGC - Video Graphics Controller | |
| 344S0047 | IIgs | MEGA II - Integrated Apple II Core Logic Controller | |
| 344S0048 | IIgs | ABD GLU - Legacy Keyboard/ADB Multiplexer General Logic Unit | |
| 344S0049 | IIgs | SLOTMAKER - Apple II Slot control, multiplexing, timing and buffering | |
| 344S0050 | IIgs | FPI - Fast Processor Interface | |
| 344S0052 | IIgs | SGLU - Sound General Logic Unit | |
| 344S0066 | IIgs | CYA - <Unknown> | |
| 820-0418-A | NuBus Card | ROM 64kb*16 | TokenRing |
=== Note: === Use of "-00", "-DO", etc. suffixes (or no suffix) seems to vary randomly. For instance, an E8 ROM might be numbered 341-0014 or 341-0014-00 and have "E8" stamped elsewhere on the ROM. In most cases, this also seems to apply to "-A", "-B" suffixes (or having no suffix). It has been suspect that "-A", "-B" suffixes could be used to denote IC runs or batches.
There is some evidence that the prefix "341" vs "342" may denote manufacture or locations, 342 being Singapore. Perhaps it could also denote NMOS vs CMOS die fabrication. Also, 341/342 are always ROMs, and 344 are always custom ASICs.