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| 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 |
The System/23 Datamaster (Model 5322 desktop model[1] and Model 5324 floor model[2]) is an 8-bit microcomputer developed by IBM. Released in July 1981,[3] 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.[4][5]
- ^ System/23 Setup Instructions with 5322 Computer (PDF). IBM. June 1982.
- ^ Data Communication Concepts (PDF) (GC21-5169-4 ed.). International Business Machines. September 1983. p. 6-7. Retrieved 7 January 2018.
- ^ "IBM Archives: IBM System/23 Datamaster". www.ibm.com. 2003-01-23. Retrieved 2023-04-08.
- ^ Pollack, Andrew (1981-08-13). "Big I.B.M.'s Little Computer". The New York Times. p. D1. ISSN 0362-4331. Retrieved 2020-03-16.
- ^ Pollack, Andrew (1983-03-27). "Big I.B.M. Has Done It Again". The New York Times. p. Section 3, Page 1. ISSN 0362-4331. Retrieved 2020-03-16.
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