Difference between revisions of "VAX-11/785"
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| + | The '''VAX-11/785''' was an upgraded version of the [[VAX-11/780|/780]]; its [[Central Processing Unit|CPU]] used [[Advanced Schottky]] [[logic]]. A /780 could be upgraded to a /785 by replacing the CPU's [[printed circuit board|cards]]. | ||
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| − | + | ==See also== | |
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| + | * [[VAX-11/785 Revision Control]] | ||
==References== | ==References== | ||
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Latest revision as of 19:58, 19 May 2024
| VAX-11/785 | |
| Summary | |
|---|---|
| Announcement date: | 2 April 1984 |
| Codename: | Superstar |
| OS support (VMS): | VMS V3.4 |
| OS support (ULTRIX): | Ultrix V1.0 |
| CPU Details | |
| CPU name (VMS): | KA785 |
| Number of processors: | 1 |
| CPU technology: | Advanced Schottky |
| CPU cycle time: | 133ns [1] |
| Instruction-buffer: | 8 bytes [1] |
| Translation-buffer: | 128 entries [1] |
| Control store: | 0.5KB 99-bit words [1] |
| Writable Control Store: | 6.5K 99-bit words [1] |
| User Writable Control Store: | 1K 99-bit words [1] |
| Cache: | 32KB [1] |
| Compatibility mode: | Yes [1] |
| Console processor: | LSI-11 [1] |
| Console device: | RX01 [1] |
| Memory | |
| Minimum memory: | 2MB |
| Maximum memory: | 64MB [1] |
| Memory checking: | 8-bit ECC/quadword [1] |
| I/O | |
| Max I/O throughput: | 13.3MB/s [1] |
| MASSBUS: | 4 @ 2.0MB/s |
| UNIBUS: | 4 @ 1.5MB/s |
| LAN support: | optional |
| Performance | |
| VUPs: | 1.5 - 1.7 [3] |
The VAX-11/785 was an upgraded version of the /780; its CPU used Advanced Schottky logic. A /780 could be upgraded to a /785 by replacing the CPU's cards.
See also
References
[1] VAX Hardware Handbook Volume 1 - 1986.
[2] CPU Upgrade Guide. Spring-Summer 1992.
[3] VAXcluster Systems Guidelines for VAXcluster System Configurations". EK–VAXCT–CG–006
External links
- 785 - documentation on BitSavers
- VAX-11/785 Hardware User's Guide (EK-11785-UG-PRE)
| 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 |
