This is an (incomplete) list of Digital Equipment Corporation VAX computers and specifications. Compiled by abs@NetBSD.org with much help from port-vax@NetBSD.org users. This is very much still a work in progress - many sections are little more than placeholders. Having said that, there should be enough here to prove useful. |
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Cpu: | KA820, V-11 (200ns), 8KB on chip cache | Vup: | 0.9 |
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Tps: | (?) | Busses: | 1 VAXBI, optional UNIBUS |
Interfaces: | Ethernet | Memory: | max 128MB ECC |
Introduced: | January 1986 | NetBSD: | Can run NetBSD |
Last updated: | 2003-07-17 |
Cpu: | KA825, V-11 (160ns), 8KB on chip cache | Vup: | 1.2 |
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Tps: | 10 | Busses: | 1 VAXBI, optional UNIBUS; max throughput 13.3MB/s |
Interfaces: | Ethernet | Memory: | max 128MB ECC |
NetBSD: | Can run NetBSD | Last updated: | 2003-07-17 |
Notes: | KA820 processor in a BA32 case. BI (either 12 or 24 slot). Optional Unibus with DWBUA adapter. Same as VAX 8200 with additional CPU |
Cpu: | Dual KA820, V-11 (200ns), 8KB on chip cache | Vup: | 1.7 |
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Tps: | (?) | Busses: | 1 VAXBI, optional UNIBUS |
Interfaces: | Ethernet | Memory: | max 128MB ECC |
Introduced: | January 1986 | NetBSD: | Can run NetBSD |
Last updated: | 2003-07-17 | Notes: | Dual processor version of VAX 8200 |
Cpu: | KA825, V-11 (160ns), 8KB on chip cache | Vup: | 2.3 |
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Tps: | 18 | Busses: | 1 VAXBI, optional UNIBUS |
Interfaces: | Ethernet | Memory: | max 128MB ECC |
Last updated: | 2003-07-17 | Notes: | Same as VAX 8300 with additional CPU |
Cpu: | KA85, <8800> (45ns), 64KB on chip cache | Vup: | 3 |
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Bus: | NMI processor/memory backplane with VAXBI I/O | Last updated: | 2003-07-17 |
Notes: | VAX 8550 with microcode adjusted to slow it down. Later microcode update removed NOPs and upgraded to VAX 8530. |
Cpu: | KA85, <8800> (45ns), 64KB on chip cache | Vup: | 4 |
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Bus: | NMI processor/memory backplane with VAXBI I/O | Last updated: | 2003-07-17 |
Notes: | VAX 8500 with updated microcode |
Cpu: | KA85, <8800> (45ns), 64KB on chip cache | Vup: | 6 |
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Tps: | 47 | Bus: | NMI processor/memory backplane with VAXBI I/O |
Memory: | Maximum 320MB | Last updated: | 2003-07-17 |
Notes: | Similar to VAX 8700, but in larger box and not upgradable to VAX 8800 |
Alias: | VAX 11/790 | Nickname: | Venus |
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Cpu: | KA86, <8600> (80ns), 16KB on chip cache | Vup: | 4.2 |
Tps: | 33 | ||
Bus: | 2 SBIs with 15 nexus slots each. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI. | ||
Memory: | Maximum 256M (ECC) | Introduced: | 1984 |
NetBSD: | Can run NetBSD | Last updated: | 2003-07-17 |
Notes: | Slower version of the VAX 8650 (11/795). Developed in Marlboro, in the building identified as LCG Was originally intended to be an 11/790 but renamed before launch. |
Alias: | VAX 11/795 | Nickname: | Morningstar |
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Cpu: | KA865, <8650> (55ns), 16KB on chip cache | Vup: | 6.0 |
Tps: | 47 | ||
Bus: | 2 SBIs with 15 nexus slots each. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI. | ||
Memory: | Maximum 256MB (ECC) | NetBSD: | Can run NetBSD |
Last updated: | 2003-07-17 | ||
Notes: | Faster version of the VAX 8600 (11/790). The last VAX to be made bug-for-bug compatible with the VAX 11/780 /785. Was originally intended to be an 11/795 but renamed before launch. |
Nickname: | Nautilus | Cpu: | KA88, <8800> (45ns), 64KB on chip cache |
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Vup: | 6 | Tps: | 47 |
Bus: | NMI processor/memory backplane with VAXBI I/O | Last updated: | 2003-07-17 |
Notes: | PRO console. Single processor VAX 8800, can be upgraded to 8800 Replaced with redesigned VAX 8810. |
Nickname: | Nautilus | Cpu: | Dual KA88, <8800> (45ns), 64KB on chip cache |
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Vup: | 12 | Bus: | NMI processor/memory backplane with VAXBI I/O |
Introduced: | January 1986 | Last updated: | 2003-07-17 |
Notes: | PRO console. Dual processor VAX 8700. Replaced with redesigned 8820. |
Cpu: | (?), <8800> (45ns), 64KB on chip cache | Vup: | 6.0 |
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Tps: | 47 | Bus: | PMI (updated NMI) processor/memory backplane with VAXBI I/O |
Last updated: | 2003-07-17 | ||
Notes: | MicroVAX II console. Basically an 8550 processor in a bigger box with space for additional processors to make it into an 8820 or 8840 |
Cpu: | Dual (?), <8800> (45ns), 64KB on chip cache | Vup: | 11.0 |
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Bus: | PMI (updated NMI) processor/memory backplane with VAXBI I/O | Last updated: | 2003-07-17 |
Notes: | Dual processor version of VAX 8810 |
Cpu: | Triple (?), <8800> (45ns), 64KB on chip cache | Vup: | 17.0 |
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Bus: | PMI (updated NMI) processor/memory backplane with VAXBI I/O | Last updated: | 2003-07-18 |
Notes: | Triple processor version of VAX 8810 |
Cpu: | Quad (?), <8800> (45ns), 64KB on chip cache | Vup: | 22.0 |
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Bus: | PMI (updated NMI) processor/memory backplane with VAXBI I/O | Last updated: | 2003-07-17 |
Notes: | Quad processor version of VAX 8810 |
Cpu: | Four (?), <8800> (45ns), 64KB on chip cache | Vup: | 22.0 |
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Last updated: | 2003-07-18 | Notes: | System is two VAX 8820s connected together |
Cpu: | Four (?), <8800> (45ns), 64KB on chip cache | Vup: | 24 |
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Introduced: | January 1987 | Last updated: | 2003-07-18 |
Notes: | System is four VAX 8700s connected together |
Cpu: | Eight (?), <8800> (45ns), 64KB on chip cache | Vup: | 48 |
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Memory: | Maximum 4GB ECC | Introduced: | January 1987 |
Last updated: | 2003-07-18 | Notes: | System is eight VAX 8700s connected together |