VAX 8550
From Computer History Wiki
| VAX 8550 | |
| Summary | |
|---|---|
| Announcement date: | August 1986 |
| FRS date: | 24 January 1989 |
| Codename: | Skipjack |
| OS support (VMS): | VMS V4.4 |
| CPU Details | |
| Number of processors: | 1 |
| 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 |
| Cache: | 64KB [1] |
| Compatibility mode: | No |
| Console processor: | PRO 380 |
| Console device: | None |
| Memory | |
| Minimum memory: | 16MB |
| Maximum memory: | 320MB |
| Memory checking: | 7-bit ECC/longword [2] |
| I/O | |
| Max I/O throughput: | 16MB/s [1] |
| UNIBUS: | 1 @ 1.5MB/s |
| VAXBI: | 1-2 @ 13.3MB/s [2] |
| LAN support: | standard [2] |
| Performance | |
| VUPs: | 6.0 |
The VAX 8550 is a mid-range member of the VAX 85xx/87xx/88xx family.
References
[1] "VAX 8800 Family", Digital Technical Journal, Vol 1 No 4, February 1987.
[2] VAX Hardware Handbook. Volume 2-1986.
[3] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46
[4] Systems & Options Catalog. European Edition. Spring 1990.
| 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 |
