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Revision as of 13:26, 29 July 2017
VAX-11/750 and VAX-11/751 systems
| VAX-11/750 and VAX-11/751 | |
| Summary | |
|---|---|
| Announcement date: | 1980 |
| FRS date: | October 1980 |
| Codename: | Comet |
| Descriptive name: | VAX-11/750 and VAX-11/751 |
| OS support (VMS): | VMS V2.0 |
| CPU Details | |
| CPU name (VMS): | KA750 |
| CPU name (console): | None [1] |
| Number of processors: | 1 |
| VMS DCL CPU: | 2 |
| VMS DCL XCPU: | 0 |
| SID: | 02006878 |
| XSID: | 0 |
| CPU cycle time: | 320ns |
| Instruction-buffer: | 8 bytes [2] |
| Translation-buffer: | 512 entries [2] |
| Control store: | 6K 80-bit words [2] |
| Writable Control Store: | 1K 80-bit words [2] |
| Cache: | 4KB [2] |
| Compatibility mode: | Yes [2] |
| Console processor: | CPU |
| Console device: | TU58 [2] |
| Memory | |
| Minimum memory: | 1MB [2] |
| Maximum memory: | 14MB |
| Physical address lines: | 24 |
| Memory checking: | 7-bit ECC/longword [2] |
| I/O | |
| Max I/O throughput: | 5.0MB/s |
| MASSBUS: | 3@ 2.0MB/s |
| UNIBUS: | 1 @ 1.5MB/s |
| LAN support: | optional |
| Performance | |
| VUPs: | 0.6 |
References
[1] CPU Upgrade Guide. Spring-Summer 1992.
[2] VAX Hardware Handbook Volume 1 - 1986.
[3] Systems & Options Catalog. European Edition. Spring 1990.
