ApplePersonal computerRead on support.apple.comDiscontinued: 10/1/1985
The Macintosh 128K, introduced on 1/24/1984, runs a 68000 processor with 0.125 MB of memory, a 400K floppy drive and a 512x342 screen, all in one 16.5-pound case.
As support.apple.com prints itLogic Board0.125 MBPress to see it in the sheet ↓
As support.apple.com prints itFloppy Size400KPress to see it in the sheet ↓
As support.apple.com prints itWeight (lbs)16.5Press to see it in the sheet ↓
As support.apple.com prints itIntroduced1/24/1984Press to see it in the sheet ↓
- Part number
- Macintosh 128K
- Catalog number
- Not assigned yet
No photo on the maker’s page
Specifications
56 fields, as Apple states them
Logic Board
- Processor
- 68000, 8
- PMMU
- none
- FPU
- none
- Data Path
- 16, 8
- L1 Cache
- none
- L2 Cache
- none
- 2nd Processor
- none
- Slots
- none
Ports
- Video
- none
- Floppy
- DB-19
- SCSI
- none
- Ethernet
- none
- Mic Type
- none
- Other Ports
- Printer Modem Speaker ,
- Port Notes
- The serial ports in this system do not support handshaking or synchronous modems.
Power
- Max Watts
- 60
- Amps
- .5
- BTU per Hr
- 205.2
- Voltage
- 105-125
- Freq Range
- 50-60 Hz
- Battery Type
- 4.5V alkaline, #523
Memory
- Logic Board
- 0.125 MB
- RAM Slots
- 0, n/a
- Min - Max RAM
- 0.125MB - 0.125 MB
- RAM Sizes
- n/a
- Install in Groups of
- n/a
- Memory: Notes
- This system has no built-in memory expansion, however third-party upgrades could take this system to 512K.
Video Memory
- 512 x 384
- 1-bit
- 640 x 400
- n/a-bit
- 640 x 480
- n/a-bit
- 800 x 600
- n/a-bit
- 832 x 624
- n/a-bit
- 1024 x 768
- n/a-bit
- 1152 x 870
- n/a-bit
- 1280 x 1024
- n/a-bit
- Video Memory: Notes
- Screen size is 512x342.
Physical
- Introduced
- 1/24/1984
- Discontinued
- 10/1/1985
- Form Factor
- 128
- Gestalt ID
- 1
- Weight (lbs)
- 16.5
- Dimensions (in)
- 13.6 H x 9.6 W x 10.9 D
- Physical: Notes
- Support Discontinued 9/1/98
Software
- Addressing Modes
- 24-bit
- Orig SSW
- 0.0
- Orig Enabler
- none
- ROM ID
- $0000
- ROM Ver
- n/a
- ROM Size
- 64K
- AppleTalk Ver
- n/a
- Mac OS Supported
- <1.0 1.0 1.1 2.0 2.0.1 5.0 5.1 6.0 6.0.1 6.0.2 6.0.3 6.0.4 6.0.5 6.0.7 6.0.8 7.0.1P
Storage
- Floppy Size
- 400K
- Floppy Inject
- manual
- Min. Int HD Size
- none
- Int HD Interface
- none
- Orig CD Speed
- n/a
Source: support.apple.com, macintosh 128K: Technical Specifications: the whole table (Logic Board, Ports, Power, Memory, Video Memory, Physical, Software, Storage), read Oct 28, 2026 UTC.
References
1 source, all on the maker’s own site
- support.apple.com, macintosh 128K: Technical Specifications: the whole table (Logic Board, Ports, Power, Memory, Video Memory, Physical, Software, Storage), read Oct 28, 2026 UTC. Supports 56 specifications, that it is no longer sold
History
Every read and every change, newest first
- Page created from the maker’s own specification page, one of the iconic products proposed to receive the first catalog numbers (DEV-422). Product type proposed. Descriptions written at three lengths from the specifications.Claude Opus (AI agent) · Not reviewed yet
- Read on support.apple.com: Macintosh 128K: Technical Specifications: the whole table (Logic Board, Ports, Power, Memory, Video Memory, Physical, Software, Storage).Claude Opus (AI agent) · Not reviewed yet
The descriptions are written by the wiki from the specifications above, never copied from the maker.