IBM System/23 Datamaster
The System/23 Datamaster (Model 5322 desktop model and Model 5324 floor model) is an 8-bit microcomputer developed by IBM. Released in July 1981, the Datamaster was the least expensive IBM computer until the far less expensive and far more popular IBM PC was announced in the following month.
| Manufacturer | IBM |
|---|---|
| Type | All-in-one (5322), Computer tower (5324) |
| Release date | July 1981 |
| Introductory price | US$9,000 (equivalent to $30,163 in 2023) |
| Discontinued | 1985 |
| Operating system | System/34 BASIC |
| CPU | Intel 8085 @ 4.77 MHz |
| Memory | 32 KB,64 KB, 128 KB 64 KB-128 KB ROM |
| Removable storage | 0-2 internal 8-inch floppy disk drives, optional external floppy drives |
| Display | Green phosphor CRT display (80 × 24 text) |
| Graphics | Intel 8275 |
| Sound | Internal beeper |
| Input | Model F keyboard |
| Connectivity | Printer port, disk drive port (optional), Twinax |
| Mass | 95 lb (43 kg) |
| Predecessor | IBM 5120 |
| Successor | IBM Personal Computer |
| Related | IBM Displaywriter System |
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