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Values for DOS OEM number

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Value Description


Note:

'*' indicates an OEM release of MS-DOS, while '-' indicates an OEM number used by a non-Microsoft DOS.
Known OEM releases of MS-DOS:
- AT&T DOS 3.10 (uses DOS 2.x cluster sizes and FAT structures)
- Commodore DOS 3
- Compaq DOS 3.31 (>32MB partitions similar to MS-DOS 4+)
- Computerland DOS 3.10 (mix of DOS 2.x and 3.x disk mechanisms)
- Eagle MS-DOS 1.25 (DOS 1.x with some hard disk support and built-in ANSI.SYS functionality)
- Epson Equity III DOS 3.10 (different clustering)
- Leading Edge
- NEC DOS 3.3
- Olivetti DOS 2.11
- Phoenix DOS 3.3, 4.01
- Sanyo DOS 3.2
- Tandy
- Toshiba DOS
- Unisys
- Wyse MS-DOS 3
- Zenith DOS 2.x (uses Zenith disk mechanism, extra drives at G:)
- Zenith DOS 3.x (can be configured for Zenith or MS-DOS mechanism)
- Zenith DOS 3.3 PLUS (>32MB partitions similar to MS-DOS 4+)