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Lot 1084
S-100 BUS SYSTEM Collection of 16 S-100 bus boards:
25 October 2022, 14:00 EDT
New YorkSold for US$701.25 inc. premium
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S-100 BUS SYSTEM
Collection of 16 S-100 bus boards:
1 & 2. MITS 4K Synchronous BD REV 2, 1976. 4K RAM.
3. MITS 16 MCS STATIC, 1976 REV 1. 16K Static RAM.
4 & 5. MITS 88-4 PIO REV 0. Parallel I/O interface board.
6. MITS 1976, 8K PROM BD REV 0. Can hold up to 8K of 2708 EPROMS.
7. MITS PROM PGR. PAI PINO REV 0, 1976.
8. MITS 8800 PMC REV 0, PROM BD REV 0 58K, with 1702 EPROMs.
9. SSM (Solid State Music) 2K/4K EPROM MB-3. SSM went on to become an important producer of integrated circuits for the synthesizer industry.
10. MemTech APU, 1978.
11. Eden Engineering Personality Board, Model EP-710A, 1981.
12-15. Vector 8804 R681-1. Four cards each unopened in original package.
16. Micro Systems Designs MFIO-1 I/O Select, 1977.
Provenance: From the estate of Serge Roubé.
Altair's S-100 bus board system, first used on the Altair 8800, was a design choice necessitated by Altair's concern that they would not have a usable system by the projected January 1975 launch date. The bus board system provided ample slots so that the missing components could easily be added later when they became available. Due to the popularity of the Altair, a whole industry erupted to produce expansion boards and the S-100 bus was adopted by other computer makers as well. it was a key development in the early days of the personal computing movement.
1 & 2. MITS 4K Synchronous BD REV 2, 1976. 4K RAM.
3. MITS 16 MCS STATIC, 1976 REV 1. 16K Static RAM.
4 & 5. MITS 88-4 PIO REV 0. Parallel I/O interface board.
6. MITS 1976, 8K PROM BD REV 0. Can hold up to 8K of 2708 EPROMS.
7. MITS PROM PGR. PAI PINO REV 0, 1976.
8. MITS 8800 PMC REV 0, PROM BD REV 0 58K, with 1702 EPROMs.
9. SSM (Solid State Music) 2K/4K EPROM MB-3. SSM went on to become an important producer of integrated circuits for the synthesizer industry.
10. MemTech APU, 1978.
11. Eden Engineering Personality Board, Model EP-710A, 1981.
12-15. Vector 8804 R681-1. Four cards each unopened in original package.
16. Micro Systems Designs MFIO-1 I/O Select, 1977.
Provenance: From the estate of Serge Roubé.
Altair's S-100 bus board system, first used on the Altair 8800, was a design choice necessitated by Altair's concern that they would not have a usable system by the projected January 1975 launch date. The bus board system provided ample slots so that the missing components could easily be added later when they became available. Due to the popularity of the Altair, a whole industry erupted to produce expansion boards and the S-100 bus was adopted by other computer makers as well. it was a key development in the early days of the personal computing movement.