Difference between revisions of "VAX 8800"
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The '''VAX 8800''' is a dual-[[Central Processing Unit|CPU]] version of the [[VAX 8700]]. | The '''VAX 8800''' is a dual-[[Central Processing Unit|CPU]] version of the [[VAX 8700]]. | ||
| − | (The designation 'VAX 8800' is occasionally used for the whole first generation of VAX 8800 computers - correctly called [[VAX | + | (The designation 'VAX 8800' is occasionally used for the whole first generation of VAX 8800 computers - correctly called [[VAX 85xx, 87xx, and 88xx systems|VAX 8800 Family]] - as well, leading to confusion sometimes.) |
It belongs to the first generation of VAX 8800 computers, which includes four more models: | It belongs to the first generation of VAX 8800 computers, which includes four more models: | ||
Latest revision as of 23:30, 20 May 2024
| VAX 8800 | |
| Summary | |
|---|---|
| Announcement date: | 29 January 1986 |
| FRS date: | February 1986 |
| Codename: | Nautilus |
| OS support (VMS): | VMS V4.4 |
| CPU Details | |
| CPU module: | KA88 |
| Number of processors: | 2 |
| VMS DCL CPU: | 6 |
| VMS DCL XCPU: | 0 |
| SID: | 06045060 |
| XSID: | 000009F7 |
| CPU technology: | ECL Gate Array [1] |
| CPU cycle time: | 45ns [1] |
| Instruction-buffer: | 16 bytes [1] |
| Translation-buffer: | 1024 entries [1] |
| Writable Control Store: | 15K 143-bit words [1] |
| User Writable Control Store: | 1K 143-bit words [1] |
| Cache: | 64KB |
| Console processor: | PRO380 |
| Memory | |
| Minimum memory: | 48MB |
| Maximum memory: | 12000003 |
| Memory checking: | 7-bit ECC/longword |
| I/O | |
| Max I/O throughput: | Over 30MB/s [1] |
| UNIBUS: | 2 @ 1.5MB/s |
| VAXBI: | 4 @ 13.3MB/s |
| LAN support: | optional |
| Performance | |
| VUPs: | 12 |
The VAX 8800 is a dual-CPU version of the VAX 8700.
(The designation 'VAX 8800' is occasionally used for the whole first generation of VAX 8800 computers - correctly called VAX 8800 Family - as well, leading to confusion sometimes.)
It belongs to the first generation of VAX 8800 computers, which includes four more models:
When the second generation of VAX 88xx computers came out in 1987, the VAX 8800 was renamed to VAX 8820N (N for Nautilus)
References
External links
- VAX Hardware Handbook Volume 2 - the VAX 8800 is covered in Chapter 2 (pp. 24-49 of the PDF)
- 8800 - VAX 88xx documentation at Bitsavers
| 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 |
