Difference between revisions of "VAX 8250"
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The '''VAX 8250''' is an improved version of the [[VAX 8200]] mid-range [[VAX]] uni-processor system built around the [[VAX Bus Interconnect|VAXBI]] [[bus]]; it has the improved [[KA825 CPU]] in place of the [[KA820 CPU]] of the VAX 8200. | The '''VAX 8250''' is an improved version of the [[VAX 8200]] mid-range [[VAX]] uni-processor system built around the [[VAX Bus Interconnect|VAXBI]] [[bus]]; it has the improved [[KA825 CPU]] in place of the [[KA820 CPU]] of the VAX 8200. | ||
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==External links== | ==External links== | ||
| + | * [http://www.bitsavers.org/pdf/dec/vax/8200/ 8200] - documentation at [[Bitsavers]] | ||
| + | * [http://bitsavers.trailing-edge.com/www.computer.museum.uq.edu.au/pdf/EK-KA820-TM-003%20KA820-KA825%20Processor%20Technical%20Manual.pdf KA820/KA825 Processor Technical Manual] (EK-KA820-TM-003) <!-- https://www.vaxhaven.com/images/6/6d/EK-KA820-TM-003.pdf --> | ||
* [http://www.bitsavers.org/pdf/dec/vax/8200/KA825MA1.TXT KA825 Maintenance Advisory] (EK-KA825-MA-001) | * [http://www.bitsavers.org/pdf/dec/vax/8200/KA825MA1.TXT KA825 Maintenance Advisory] (EK-KA825-MA-001) | ||
* [https://manx-docs.org/collections/antonio/dec/83xupin1.pdf VAX 8200 to VAX 8350 and VAX 8250 to VAX 8350 Upgrade Procedures] (EK-83XUP-IN-001) | * [https://manx-docs.org/collections/antonio/dec/83xupin1.pdf VAX 8200 to VAX 8350 and VAX 8250 to VAX 8350 Upgrade Procedures] (EK-83XUP-IN-001) | ||
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{{Nav VAX}} | {{Nav VAX}} | ||
| − | [[Category: | + | [[Category: VAX Superminis]] |
| + | [[Category: VAX 82xx/83xx Systems]] | ||
Latest revision as of 02:58, 19 May 2024
| VAX 8250 | |
| Summary | |
|---|---|
| Announcement date: | 2 March 1987 |
| Codename: | Sargas |
| OS support (VMS): | VMS V4.5 |
| OS support (ULTRIX): | ULTRIX V2.0 [1] |
| CPU Details | |
| CPU name (VMS): | KA825 |
| CPU name (console): | None |
| CPU module: | KA825 |
| Module: | T1001-YA |
| Number of processors: | 1 |
| VMS DCL CPU: | 5 |
| VMS DCL XCPU: | 0 |
| SID: | 05903914 |
| XSID: | 00000000 |
| CPU chip: | V11 [1] |
| CPU technology: | ZMOS |
| CPU cycle time: | 160ns |
| CPU clock: | 6.25MHz [1] |
| Instruction-buffer: | 8 bytes [2] |
| Translation-buffer: | 512 entries |
| Control store: | 15K 40-bit words [2] |
| Writable Control Store: | 1K 40-bit words [2] |
| Cache: | 8KB (160ns) [2] |
| Compatibility mode: | No |
| Console processor: | CPU |
| Console device: | None |
| Memory | |
| Minimum memory: | 4MB |
| Maximum memory: | 128MB [2] |
| Memory checking: | 7-bit ECC/longword [2] |
| I/O | |
| Max I/O throughput: | 13.3MB/s [2] |
| UNIBUS: | 1 @ 1.5MB/s |
| VAXBI: | 1 @ 13.3MB/s |
| LAN support: | optional |
| Performance | |
| VUPs: | 1.2 [2] |
The VAX 8250 is an improved version of the VAX 8200 mid-range VAX uni-processor system built around the VAXBI bus; it has the improved KA825 CPU in place of the KA820 CPU of the VAX 8200.
References
[1] KA825 Maintenance Advisory. EK-KA825-MA-001
[2] VAX Systems Hardware Handbook -- VAXBI Systems. EB-31692-46
External links
- 8200 - documentation at Bitsavers
- KA820/KA825 Processor Technical Manual (EK-KA820-TM-003)
- KA825 Maintenance Advisory (EK-KA825-MA-001)
- VAX 8200 to VAX 8350 and VAX 8250 to VAX 8350 Upgrade Procedures (EK-83XUP-IN-001)
| 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 |
