IBM Personal System/2 Model 57 SX
| Machine type | 8557-045 |
| Serial | 55-LXKF2 |
| Manufacturer | IBM Corp., United Kingdom |
| FCC ID | ANO8557 |
| Dated | June 1992 |
Physical description
| Type | Desktop (may be converted to Floor standing) (sticker inside top cvr 02 JUN 1992, 27 APR 1992 print inside) |
| Dimensions (HxWxD) | 169 x 440 x 394 mm |
| Weight | 12.6 Kg |
| Drive bays | 1 x 3.5" and 3 x 5.25", all accessible |
| Power supply | 197 W, 110/220VAC switchable (9202M) |
Main board
| BIOS | IBM Dec. 7, 1991(sticker on BIOS chip 15/06/92), planar id E2FE |
| Processor | Intel 80386SX-20 MHz (32-bit) PQFP |
| Coprocessor | Intel 80386SX (16-33 MHz) ADDITION |
| Memory | 3 sockets for 70ns, 72-pin SIMMs (PS/2 type), parity checked (*) |
| Max on system board | 16 Mb (about 15 Mb usable) |
| Bus | MCA 16-bit |
| Expansion slots | 5 x 16-bit (1 w. video ext.) on riser card |
| Video | Integrated VGA display adapter |
| Interface | Integrated SCSI, FDD (2 units) |
| Ports | PS/2 keyboard, PS/2 mouse, buffered serial (UART 16550A), parallel, VGA |
Cards
| Installed RAM | 2 x 4 Mb 70ns SIMMs (one has 93-14), 1 x 2 Mb 70ns SIMM |
Storage
| Diskette drive | 2.88 Mb, 3.5" slim (Mitsubishi MF356C, APR. 1992) |
| Hard disk | WDS-380S (80 Mb) SCSI, 3.5" slim (cables WK 20/92) |
| 2nd Hard disk | WDS-3160 (160 Mb) SCSI, 3.5" slim ADDITION |
Trivia
| Acquisition | May 2000, bought for a few $ together w. some other appliances, including PS/2 system units and 8514 monitors |
| Condition | Very good, working |
| Installed O.S. | IBM PC-DOS 7.0, MS Windows 3.11 (Italian) |
| Repairs/modifications | Added 2nd hard disk, math coprocessor and 2 x 4 Mb memory SIMMs (it had 2 Mb only) |
| Current status | All hw working |
| Current O.S. | None |
| Spare parts | Drive, power supply, accessories |
Notes
(*) Accepts 70ns SIMMs only, up to 8 Mb each.
Peripherals: KEYBOARDS, MONITORS, MICES, PRINTERS
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This page was first
published on the web on Nov. 11, 2001 |