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Revision as of 13:26, 29 July 2017
VAX-11/725 systems
| VAX-11/725 | |
| Summary | |
|---|---|
| Announcement date: | October 1983 |
| Codename: | Low Cost Nebula |
| OS support (VMS): | VMS V?.? to VMS V5.1 |
| CPU Details | |
| CPU module: | KA730 |
| Number of processors: | 1 |
| CPU technology: | Bipolar Schottky |
| CPU cycle time: | 270ns [1] |
| Instruction-buffer: | 4 bytes [1] |
| Translation-buffer: | 128 entries [1] |
| Writable Control Store: | 16K 24-bit words [1] |
| Compatibility mode: | Yes [1] |
| Console processor: | 8085A [1] |
| Console device: | TU58 |
| Memory | |
| Minimum memory: | 1MB |
| Maximum memory: | 3MB |
| Physical address lines: | 24 [1] |
| Memory checking: | 7-bit ECC/longword [1] |
| Memory cycle: | 810ns [1] |
| I/O | |
| UNIBUS: | 1 @ 1.5MB/s [1] |
| LAN support: | optional |
| Performance | |
| VUPs: | 0.3 |
References
[1] VAX Hardware Handbook Volume 1 - 1986.
[2] Systems & Options Catalog. European Edition. Spring 1990.
