IBM Personal System/2 Model 65 SX
| Machine Type | 8565-121 |
| Serial | 55-CZ597 |
| Manufacturer | IBM United Kingdom Ltd. |
| FCC ID | ANO8565 |
| Date | June 1990 |
Physical description
| Type | Floor-standing (print on disk tray 19 JUN 1990, print inside side panel 060690) |
| Dimensions (HxWxD) | 597 x 166 (318 incl. feet) x 483 mm |
| Weight | 23.6 Kg |
| Drive bays | 2 x 3.5" half-height (both accessible), 2 x 5.25" full height (one accessible) |
| Power supply | 242 W 90-137/180-265 VAC auto sense, auto-restart (DAT.: 24/90) |
Main board
| Manufacturer | IBM (planar id E3FF) |
| BIOS | IBM, Feb. 8, 1990 (128 Kb, sticker 21/6/90) |
| Processor | Intel 80386SX-16 MHz (32-bit) PQFP |
| Coprocessor | Socket for optional i80387SX |
| Memory | 2 sockets for 100ns 72-pin SIMMs, parity checked (PS/2 type) |
| Max on system board | 8 Mb (2 x 4 Mb) |
| Max. using adapter cards | 16 Mb (about 15 Mb usable) |
| Bus | Micro Channel (MCA) 16-bit |
| Expansion slots | 8 (all 16-bit, 1 w. video ext.) |
| Video | Integrated 16-bit VGA display adapter (256 Kb, max. 320x200 x 256 colours or 640x480 x 16 colours) |
| Interface | FDD (2 units) |
| Ports | PS/2 keyboard, PS/2 mouse, serial (UART 16550), parallel, VGA |
Cards
| Installed RAM | 2 x 2 Mb 85ns SIMMs (65X6249) on planar, plus 8 Mb on Memory card (below) |
| Memory | IBM 1-8 Mb 80286 memory expansion adapter (id F7F7, chips 9148) w. 4 x 2 Mb SIMMs (65X6249, two 91-49, one 92-43, one has 9129 on chips) ADDITION |
| Controller | IBM 16-bit SCSI Adapter (id 8EFE, print 30/3/90, cables 25 JUN 1990) |
Storage
| Diskette drive | 1.44 Mb, 3.5" half-height (Mitsubishi MF355C, APR 1990) |
| Hard disk | Model WDS-3158 (120 Mb) SCSI, 3.5" half-height |
| 2nd Hard disk | Model WDS-3158 (120 Mb) SCSI, 3.5" half-height ADDITION |
Trivia
| Acquisition | Mid-2000, bought for a few $ together w. some other appliances, including PS/2 system units and 8514 monitors |
| Condition | Very good, working |
| Installed sw | None |
| Repairs/modifications | Removed token-ring adapter, added second hard disk, memory card w. SIMMs (it had only 4 Mb) |
| Current status | All hw working |
| Current O.S. | IBM PC DOS 5.00 (Italian) |
| Spare parts | Almost everything except cabinet |
Peripherals: KEYBOARDS, MONITORS, MICES, PRINTERS
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This page was first
published on the web on Nov. 11, 2001 |