Hardware Documentation - Machines DEC - VAX hardware reference
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.
Index Introduction page MicroVAXes VAXstations VAXservers VAX 700 series VAX 8000 series VAX 4000 series VAX 6000 series VAX 7000 series Other VAX machines Storage devices Interface cards Busses and interfaces Monitors Enclosures
VAX 700 series
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VAX 11/725 VAX 11/730 VAX 11/750 VAX 11/780 VAX 11/782 VAX 11/784 VAX 11/785 VAX 11/787 VAX 11/725 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: LCN Cpu: (?), &lt;730> (270ns)
Vup: 0.3 Bus: UNIBUS
Enclosure: (?) NetBSD: Cannot run NetBSD (As of 1.6.1)
Last updated: 2003-07-17 Notes: VAX 11/730 used same hardware in a larger case
 VAX 11/730 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: Nebula Cpu: KA730, &lt;730> (270ns)
Vup: 0.3 Bus: UNIBUS
Enclosure: 26*47*66 cm (H*W*D), 45kg, 470W Introduced: April 1982
Image: VAX 11/730 NetBSD: Cannot run NetBSD (As of 1.6.1)
Last updated: 2003-07-17 Notes: VAX 11/725 used same hardware in a smaller case
 VAX 11/750 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: Comet Cpu: KA750, &lt;750> (320ns), 4KB on chip cache
Vup: 0.65 Tps: 5
Bus: Up to 3 UNIBUSes, 2 MASSBUSes, and CI bus. Memory: Maximum 14MB
Enclosure: 106*73*76 cm (H*W*D), 182kg, 1700W Introduced: October 1980
Image: VAX 11/750 NetBSD: Can run NetBSD
Last updated: 2003-07-18
 VAX 11/780 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: Star Cpu: KA780, 78032 (200ns), 8KB on chip cache
Vup: 1.0 Tps: 8
Bus: SBI with 15 free nexus slots. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI.
Memory: Maximum 512M (theoretical) Enclosure: 153*118*76 cm (H*W*D), 498kg, 6225W
Introduced: October 1977 Image: Vax 11/780
NetBSD: Can run NetBSD Last updated: 2003-07-18
Notes: Earlier, slower version of the VAX 11/785. First VAX
 VAX 11/782 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: Atlas Cpu: Dual KA780, 78032 (200ns), 8KB on chip cache
Vup: 1.8
Bus: 2 SBIs with 15 nexus slots each. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI. (?)
Introduced: 1982 NetBSD: Probably
Last updated: 2003-07-17
Notes: ASMP dual CPU system comprising two VAX 11/780s connected via a (MA780?) 4Mb shared memory cabinet. Apparently faster when split back into two VAX 11/780s.
 VAX 11/784 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: VAXimus Cpu: (?) '780'
Vup: 3.5 Bus: UNIBUS, MASSBUS, and CI bus. (? Unknown numbers)
NetBSD: (?) Probably Last updated: 2003-07-17
Notes: Custom-made for specific applications; probably no more than 10 ever produced 4 11/780s joined by MA780 multiport memory
 VAX 11/785 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: Superstar Cpu: KA785, &lt;785> (133ns), 32KB on chip cache
Vup: 1.5
Bus: SBI with 15 free nexus slots. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI.
Memory: Maximum 512M (theoretical) Enclosure: 153*118*76 cm (H*W*D), 498kg, 6225W
Introduced: April 1984 Image: VAX 11/785
NetBSD: Can run NetBSD Last updated: 2003-07-18
Notes: Later, faster version of the VAX 11/780. The final machines in the 11/7x0 range would have been the 11/790 and 11/795, but were renamed the VAX 8600 and VAX 8650 respectively.
 VAX 11/787 <small><ulink url="#section:vax700">(VAX 700 series index)</ulink></small>
Nickname: (?) Cpu: Dual KA785 '780'
Vup: (?)
Bus: 2 SBIs with 15 nexus slots each. Each slot can take a UBA (UNIBUS adapter), MBA (MASSBUS Adapter), or CI. (?)
Memory: Maximum 512M (theoretical) (?) NetBSD: (?)
Last updated: 1998-01-28
Notes: If it existed at all, it was two VAX 11/785s connected in an ASMP system. May have been sighted in Australian Defence Department