IBM Personal System/2 Model 80 386 (8580-A31)
| Type | 8580-A31 |
| Serial | 55-FDAW7 |
| Manufacturer | IBM United Kingdom Ltd. |
| FCC ID | AN08580 |
| Date | March 1991 |
Physical description
| Type | Floor-standing (20 MAR 1991 print on disk tray) |
| Dimensions (HxWxD) | 597 x 166 (318 incl. feet) x 483 mm |
| Weight | 23.6 Kg (8580-041) |
| Drive bays | 4 (2 accessible); 2 x 3.5" half-height, 2 x 5.25" full height |
| Power supply | 242 W 110-220VAC auto sense, auto-restart (DAT.: 9023) |
Main board
| BIOS | IBM, 8 Sept. 1989 (128 Kb, chips 1990), planar id FFF9 |
| Processor | Intel 80386-25 MHz (32-bit) PGA |
| Coprocessor | Intel 80387-25 MHz, PGA ADDITION |
| Cache | 64 Kb |
| Cache controller | Intel 82385 |
| Memory | 2 sockets for 80ns DRAM cards, parity checked (PS/2 8580 proprietary type) |
| Max on system board | 8 Mb (2 x 4 Mb) |
| Max. using adapter cards | 16 Mb |
| Bus | Micro Channel (MCA) 16/32-bit |
| Expansion slots | 8 (7 available): 4 x 32-bit and 4 x 16-bit (2 w. video ext.) |
| Interface | FDD (3.5", 720 Kb or 1.44 Mb) |
| Video | Integrated 16-bit VGA display adapter (256 Kb, max. 320x200, 256 colours or 640x480, 16 colours) |
| Ports | PS/2 keyboard, PS/2 mouse, serial (UART 16550A), parallel, VGA |
Cards
| Installed RAM | 2 x 4 Mb 80ns 33F5498 modules on planar (9020 on chips), see below for memory card |
| Controller | IBM PS/2 32-bit SCSI adapter (id 8EFE, stickers 27/6/90, cables 38/90) |
| Memory | IBM 32-bit 2-8 Mb 80386 memory expansion option (id FDDF, 1991) w. 4 x 2 Mb 85ns RAM SIMMs (68X6127) ADDITION |
Storage
| Diskette drive | 1.44 Mb, 3.5" half -height (Alps DFP723, 90-49) |
| 2nd Diskette drive | 1.44 Mb, 3.5" half -height (Alps DFP723, 90-49) ADDITION? |
| Hard disk | Type 0661 (320 Mb) SCSI, 3.5" half -height (chips 9048) |
| 2nd Hard disk | Type 0661 (320 Mb) SCSI, 3.5" half -height (chips 9040) ADDITION |
Trivia
| Acquisition | Mid-98, collected in a dump together w. other appliances |
| Condition | Good, setup needed because of missing cards |
| Installed O.S. | IBM OS/2 version ?? (didn't boot) |
| Modifications | Removed token-ring adapter, added second hard drive |
| Current status | All hw working, disk tray and power supply are slightly rusty |
| Current O.S. | IBM OS/2 1.30 (US English) |
| Spare parts | Almost everything, incl. drives, planar, etc. |
Peripherals: KEYBOARDS, MONITORS, MICES, PRINTERS
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This page was first
published on the web on Nov. 11, 2001 |