IBM PS/2 Model 55SX
RH-0237| Manufacturer | IBM |
|---|---|
| Model | PS/2 Model 55SX |
| Year | 1987 |
| Chassis | desktop |
| CPU | 386 SX 16 |
| Installed RAM | 2× 2MB 72-pin (4 MB) |
| Drives | Custom GOTEK 2.88MB; GOTEK 2.88MB |
| OS | MS DOS 6.22 |
| Condition | Working |
| Source | Knock Knock Old Geek, Discord |
| Acquired | 2026-05-16 |
| Reference | https://en.wikipedia.org/wiki/IBM_PS/2_Model_55_SX |
Motherboard
RH-0238 — IBM PS/2 Model 55SX Chipset: IBM 90X8134 IBM 23F9177 IBM 27F4619 IBM 23F8566 IBM 27F4620 IBM 27F465 | CPU family: 386-class | Form factor: proprietary | RAM slots: 2× 72-pin SIMM | Slots: 3× MCA | BIOS: IBM C1.10 (1988) | Onboard video: IBM VGA | Ports: Floppy, Serial, Parallel, PS/2 keyboard, PS/2 mouse
Parts (2)
| Asset | Type | Name | Specs |
|---|---|---|---|
| RH-0238 | Motherboard | IBM PS/2 Model 55SX | Chipset: IBM 90X8134 IBM 23F9177 IBM 27F4619 IBM 23F8566 IBM 27F4620 IBM 27F465 | CPU family: 386-class | Form factor: proprietary | RAM slots: 2× 72-pin SIMM | Slots: 3× MCA | BIOS: IBM C1.10 (1988) | Onboard video: IBM VGA | Ports: Floppy, Serial, Parallel, PS/2 keyboard, PS/2 mouse |
| RH-0239 | Storage | IBM 6128260 | Kind: Hard disk | Interface: ESDI | Protocol: ESDI | Capacity: 120MB | CHS: 115/64/32 |