IBM Personal System/2 Model 70 386
| Machine Type | 8570-121 |
| Serial | 55-AX682 |
| Manufacturer | IBM Corp., United Kingdom |
| FCC ID | ANO9SA8540-D |
| Date | January 1990 |
Physical description
| Type | Desktop (FD panel, dated 16 NOV 1989, is probably from a different machine) |
| Dimensions (HxWxD) | 140 x 360 x 420 mm |
| Weight | 9.5 Kg |
| Drive bays | 2 x 3.5" half-height (accessible), 1 x 3.5 or 5.25" half-height (internal) |
| Power supply | 132 W, 90-137/180-265 VAC auto sense (9004) |
Main board
| BIOS | IBM, Dec. 15, 1989 (128 Kb, planar id F3FF, model F804) |
| Processor | Intel 80386-20MHz (32-bit), PGA |
| Coprocessor | Intel 80387-20 MHz, PGA ADDITION |
| Memory | 3 sockets for 85ns 72-pin SIMMs (PS/2 type), parity checked |
| Max on system board | 6 Mb (3 x 2 Mb - only accepts 2 Mb SIMMs) |
| Max. using adapter cards | 16 Mb |
| Bus | Micro Channel (MCA) 32-bit |
| Expansion slots | 3 (2 x 32-bit; 1 x 16-bit w. video ext.) |
| Interface | ESDI HDD(1 unit), FDD (2 units) |
| 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 16550), parallel, VGA |
Cards
| Installed RAM | 3 x 2 Mb 80ns SIMMs (89-40, 89-41 and 89-49) |
Storage:
| Diskette drive | 1.44 Mb, 3.5" half-height (Mitsubishi MF355C, DEC. 1989) |
| Hard disk | Model WD-3158 (120 Mb), 3.5" half-height |
Trivia
| Acquisition | Summer 2000, gift |
| Condition | Very good, working |
| Installed O.S. | IBM PC-DOS 5.02 (Italian) |
| Repairs/modifications | Removed 3270 emulation card, added one 2 Mb memory SIMM |
| Current status | All hw working |
| Spare parts | Drives, power supply, accessories |
Peripherals: KEYBOARDS, MONITORS, MICES, PRINTERS
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This page was first
published on the web on Nov. 11, 2001 |