Apple Chip Designations

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This page is a listing of Apple 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/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 Keyboard ROM UK
342-0274-A IIc, IIe ROM 2kb*8 Keyboard ROM French
342-0275-A IIc, IIe ROM 2kb*8 Keyboard ROM DE
342-0276-A IIc, IIe ROM 2kb*8 Keyboard 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

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