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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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VAX 8200(VAX 8000 series index)
| Cpu: |
KA820, V-11 (200ns), 8KB on chip cache |
Vup: |
0.9 |
| Tps: |
(?) |
Busses: |
1 VAXBI, optional UNIBUS
|
| Interfaces: |
Ethernet |
Memory: |
max 128MB ECC |
| Introduced: |
January 1986 |
NetBSD: |
Can run NetBSD |
| Last updated: |
2003-07-17 |
VAX 8250(VAX 8000 series index)
| Cpu: |
KA825, V-11 (160ns), 8KB on chip cache |
Vup: |
1.2 |
| 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 |
VAX 8300(VAX 8000 series index)
| Cpu: |
Dual KA820, V-11 (200ns), 8KB on chip cache |
Vup: |
1.7 |
| 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
|
VAX 8350(VAX 8000 series index)
| Cpu: |
KA825, V-11 (160ns), 8KB on chip cache |
Vup: |
2.3 |
| 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 |
VAX 8500(VAX 8000 series index)
| Cpu: |
KA85, <8800> (45ns), 64KB on chip cache |
Vup: |
3 |
| 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. |
VAX 8530(VAX 8000 series index)
| Cpu: |
KA85, <8800> (45ns), 64KB on chip cache |
Vup: |
4 |
| Bus: |
NMI processor/memory backplane with VAXBI I/O |
Last updated: |
2003-07-17 |
| Notes: |
VAX 8500 with updated microcode |
VAX 8550(VAX 8000 series index)
| Cpu: |
KA85, <8800> (45ns), 64KB on chip cache |
Vup: |
6 |
| 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
|
VAX 8600(VAX 8000 series index)
| Alias: |
VAX 11/790 |
Nickname: |
Venus |
| 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. |
VAX 8650(VAX 8000 series index)
| Alias: |
VAX 11/795 |
Nickname: |
Morningstar |
| 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. |
VAX 8700(VAX 8000 series index)
| Nickname: |
Nautilus |
Cpu: |
KA88, <8800> (45ns), 64KB on chip cache |
| 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. |
VAX 8800(VAX 8000 series index)
| Nickname: |
Nautilus |
Cpu: |
Dual KA88, <8800> (45ns), 64KB on chip cache |
| 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. |
VAX 8810(VAX 8000 series index)
| Cpu: |
(?), <8800> (45ns), 64KB on chip cache |
Vup: |
6.0 |
| 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 |
VAX 8820(VAX 8000 series index)
| Cpu: |
Dual (?), <8800> (45ns), 64KB on chip cache |
Vup: |
11.0 |
| Bus: |
PMI (updated NMI) processor/memory backplane with VAXBI I/O |
Last updated: |
2003-07-17 |
| Notes: |
Dual processor version of VAX 8810
|
VAX 8830(VAX 8000 series index)
| Cpu: |
Triple (?), <8800> (45ns), 64KB on chip cache |
Vup: |
17.0 |
| Bus: |
PMI (updated NMI) processor/memory backplane with VAXBI I/O |
Last updated: |
2003-07-18 |
| Notes: |
Triple processor version of VAX 8810
|
VAX 8840(VAX 8000 series index)
| Cpu: |
Quad (?), <8800> (45ns), 64KB on chip cache |
Vup: |
22.0 |
| Bus: |
PMI (updated NMI) processor/memory backplane with VAXBI I/O |
Last updated: |
2003-07-17 |
| Notes: |
Quad processor version of VAX 8810
|
VAX 8842(VAX 8000 series index)
| Cpu: |
Four (?), <8800> (45ns), 64KB on chip cache |
Vup: |
22.0 |
| Last updated: |
2003-07-18 |
Notes: |
System is two VAX 8820s connected together |
VAX 8974(VAX 8000 series index)
| Cpu: |
Four (?), <8800> (45ns), 64KB on chip cache |
Vup: |
24 |
| Introduced: |
January 1987 |
Last updated: |
2003-07-18 |
| Notes: |
System is four VAX 8700s connected together |
VAX 8978(VAX 8000 series index)
| Cpu: |
Eight (?), <8800> (45ns), 64KB on chip cache |
Vup: |
48 |
| Memory: |
Maximum 4GB ECC |
Introduced: |
January 1987 |
| Last updated: |
2003-07-18 |
Notes: |
System is eight VAX 8700s connected together |
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VAX hardware reference
