RigPix logo

Vintage computers logo


Back to main

Back to Vintage computers

Next computer


IMSAI logo


Copyright logo


Last modified 2026-02-01

Valid HTML 4.01 Transitional

IMSAI 8080 (By IMS Associates Inc.)

A picture of IMSAI 8080 (By IMS Associates Inc.)

SPECIFICATIONS

GENERAL
Type:8-bit hobbyist computer
CPU:Intel 8080A @ 2 MHz
Operating system(s):Optional CP/M, IMDOS, Basic and Fortran
Memory:ROM: ? KB
RAM: 256 bytes/4 KB SRAM (Expandable with 16, 32 or 64 KB DRAM)
Power supply: Mains (Linear)
Output:
+8 VDC, 28 A
+16 VDC, 4.5 A
-16 VDC, 4.5 A
Current drain / power consumption:Depending on options
Dimensions (W*H*D):495*178*432 mm (19.5*7*17")
Weight:? Kg (? lb), without options




I/O
Keyboard:Binary switching
Optional keyboard
Graphics:LED indicators. Anything else is optional
Audio:Optional
Storage: Optional tape recorder
Optional 5 1/4" and 8" floppy drives
Optional 5 MB HDD
External I/O ports: Optional
Other:Up to 22 S-100 bus slots




MISCELLANEOUS
Manufactured:USA, 1975-1978 (Discontinued)
Additional info: About 20000 units were manufactured.

New price 1976 in Sweden: SEK 3845:- for a basic kit consisting of a CPU card,
chassie with enclosure and power supply. A measly 4K SRAM memory bank lifted
another SEK 840:- from your wallet!

This computer also starred in the 1983 thriller "Wargames".
Related documents: CPU: Intel 8080A (579 KB)
Modifications and fixes:
Notable "ham" software:
Reviews:
Some options / Accessories:
- -
An inside picture of IMSAI 8080 (By IMS Associates Inc.)
A picture of IMSAI 8080 in the movie Wargames