Difference between revisions of "VAX-11/751"
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==References== | ==References== | ||
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<div id="ref_2">[2] VAX Hardware Handbook Volume 1 - 1986. </div> | <div id="ref_2">[2] VAX Hardware Handbook Volume 1 - 1986. </div> | ||
<div id="ref_3">[3] Systems & Options Catalog. European Edition. Spring 1990. </div> | <div id="ref_3">[3] Systems & Options Catalog. European Edition. Spring 1990. </div> | ||
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| + | ==External links== | ||
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| + | * [http://www.iankitching.me.uk/history/vaxes.txt VMS CPU Model Summary] | ||
{{Nav VAX}} | {{Nav VAX}} | ||
[[Category: DEC VAX systems]] | [[Category: DEC VAX systems]] | ||
Revision as of 17:07, 29 March 2023
| VAX-11/751 | |
| Summary | |
|---|---|
| Announcement date: | 1980 |
| FRS date: | October 1980 |
| Codename: | Comet |
| 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 |
The VAX-11/751 was reportedly a somewhat-ruggedized version of the VAX-11/750 mounted in a standard-width cabinet. Very little information survives about it.
References
[1] CPU Upgrade Guide. Spring-Summer 1992.
[2] VAX Hardware Handbook Volume 1 - 1986.
[3] Systems & Options Catalog. European Edition. Spring 1990.
External links
| v • d • e VAX Computers and Operating Systems |
|---|
| VAX-11/7xx (including VAX 86x0) - VAX-11/780 • VAX-11/785 • VAX-11/750 • VAX-11/730 • VAX 8600 • VAX 8650
VAX 8000 series (excluding VAX 86x0, above) - VAX 82xx/83xx series • VAX 85xx/87xx/88xx series MicroVAXen (many types also come in VAXserver and VAXstation models) - MicroVAX I • MicroVAX II VAXstation Series - VAXstation I • VAXstation II Late Model VAXen - VAX 4000 series • VAX 6000 series • VAX 7000 series • VAX 9000 series • VAX 10000 series |
| Special Purpose VAXen - VAXft series • rtVAX series • Infoserver series
Clones - CM 1700 • TPA-11/580 |
