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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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MicroVAX I(MicroVAXes index)
| Nickname: |
Seahorse |
Cpu: |
KD32, UV1 (250ns), 8KB on chip cache |
| Vup: |
0.3 |
Bus: |
Q-bus |
| Memory: |
1MB, Maximum 4MB |
Enclosure: |
6" x 28" x 22" |
| Introduced: |
1984 |
Image: |
MicroVAX-I |
| NetBSD: |
Cannot run NetBSD (As of 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
Effectively a VAXstation I without graphics. Was the first 'subset' VAX. Used a custom data path chip and off the shelf TTL components. Came in two versions; one includes F_floating and G_floating instructions, the other F_floating and D_floating instructions. Neither version includes H_floating instructions. The MicroVAX I procesor includes some of the optional string instructions (CMPC3, LOCC, SCANC, SKPC, and SPANC) but does not include any of the optional processor registers or PDP-11 compatibility mode. It uses 8K words of 39bit wide microcode running at a 250ns cycle time. |
MicroVAX II(MicroVAXes index)
| Nickname: |
Mayflower |
Cpu: |
KA630, UV2 (200ns), no cache |
| Vup: |
0.9 |
Tps: |
7 |
| Bus: |
Q-bus (Max 3.3 MB/s) |
| Memory: |
1MB on motherboard, can add up 16MB in 2,4,8, or 16MB cards (base 1MB disabled) (parity) |
| Enclosure: |
BA23, BA123, or 630QE
|
Image: |
MicroVAX-II in a BA123 enclosure |
| Introduced: |
May 1985 |
NetBSD: |
Can run NetBSD |
| Last updated: |
2003-07-18 |
| Notes: |
Can be made into a VAXstation II by adding VCB01 (QVSS), or a VAXstation II/GPX by adding VCB02 (QDSS). Was also available as a 'reduced configuration' VAXstation-II/RC in which some of the backplane was filled with glue |
MicroVAX 2000(MicroVAXes index)
| Nickname: |
TeamMate |
Cpu: |
KA410, UV2 (200ns), no cache |
| Vup: |
0.9 |
Tps: |
7 |
| Memory: |
Base 2MB. Space for one extra board of 4M, 8M or 12MB for a maximum of 14MB. Clearpoint produced a 16MB board that also included an updated ROM required for the vax accept the board (parity) |
| Bus: |
none (3.3 MB/s max internal I/O) |
Image: |
VAXstation-2000 (Same machine) |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-17 |
| Notes: |
Can be converted to VAXstation 2000 by moving one jumper and removing MMJ converter pack |
MicroVAX 3100 M10(MicroVAXes index)
| Nickname: |
Teammate II |
Cpu: |
KA41-A, CVAX (90ns), 1KB on chip cache |
| Vup: |
2.4 |
Tps: |
19 |
| Bus: |
SCSI |
Enclosure: |
BA42-A, 180W |
| NetBSD: |
Can run NetBSD |
Last updated: |
2006-05-19 |
| Notes: |
MicroVAX 3100 M20 used same hardware in a larger BA42-B box Can switch EPROM to get VAXserver 3100 KA41-B. No video hardware |
MicroVAX 3100 M10e(MicroVAXes index)
| Nickname: |
Teammate II |
Cpu: |
KA41-D, CVAX+ (60ns), 1KB on chip cache |
| Vup: |
3.5 |
Tps: |
30 (Maybe 22?) |
| Bus: |
SCSI |
Memory: |
4MB on motherboard expandable to 32MB via 4, 12, and 16MB boards |
| Enclosure: |
BA42-A, 180W |
NetBSD: |
Can run NetBSD |
| Last updated: |
2006-05-19 |
| Notes: |
MicroVAX 3100 M20e used same hardware in a larger BA42-B box. On board NCR-5380 SCSI-1, where video is on VAXstation 3100 M38. Can switch EPROM to get VAXserver 3100 KA41-E. Ethernet 'lance' (le0) AMD7990/DC80AMD7992. No video hardware. Can have TZ30(TK50) tape or RX32 floppy |
MicroVAX 3100 M20(MicroVAXes index)
| Nickname: |
Teammate II |
Cpu: |
KA41-A, CVAX (90ns), 1KB on chip cache |
| Vup: |
2.4 |
Tps: |
19 |
| Bus: |
SCSI |
Enclosure: |
BA42-B |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3100 M10 used same hardware in a smaller BA42-A box. Can switch EPROM to get VAXserver 3100 KA41-B. No video hardware |
MicroVAX 3100 M20e(MicroVAXes index)
| Nickname: |
Teammate II |
Cpu: |
KA41-D, CVAX+ (60ns), 1KB on chip cache |
| Vup: |
3.5 |
Tps: |
22 (Maybe 30?) |
| Bus: |
SCSI |
Memory: |
4MB on motherboard expandable to 32MB via 4, 12, and 16MB boards |
| Enclosure: |
BA42-B |
NetBSD: |
Can run NetBSD |
| Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3100 M10e used same hardware in a smaller BA42-A box. On board NCR-5380 SCSI-1, where video is on VAXstation 3100 M38. Can switch EPROM to get VAXserver 3100 KA41-E. Ethernet 'lance' (le0) AMD7990/DC80AMD7992. No video hardware |
MicroVAX 3100 M30(MicroVAXes index)
| Nickname: |
Waverley/S |
Cpu: |
KA45, SOC 25 MHz (40ns), 6KB on chip cache |
| Vup: |
5.0 |
Tps: |
39 |
| Bus: |
SCSI (4 MB/s) |
Interfaces: |
Ethernet (thick/thin), 3 DEC423 (MMJ), 1 RS232 (MMJ) (?) |
| Memory: |
Maximum 32MB |
Enclosure: |
BA42-A |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-18 |
| Notes: |
MicroVAX 3100 M40 used same hardware in a larger BA42-B box |
MicroVAX 3100 M40(MicroVAXes index)
| Nickname: |
Waverley/S |
Cpu: |
KA45, SOC 25 MHz (40ns), 6KB on chip cache |
| Vup: |
5.0 |
Tps: |
78 or 39(est) (both from DEC webpages) |
| Bus: |
SCSI (4 MB/s) |
Interfaces: |
Ethernet (thick/thin), 3 DEC423 (MMJ), 1 RS232 (MMJ) |
| Memory: |
Minimum 8MB, Maximum 32MB |
Enclosure: |
BA42-B, 144W |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-18 |
| Notes: |
MicroVAX 3100 M30 used same hardware in a smaller BA42-A box |
MicroVAX 3100 M80(MicroVAXes index)
| Nickname: |
Waverley/M |
Cpu: |
KA47, Mariah 50MHz (20ns), 2KB on chip cache, 256K external cache |
| Vup: |
12 |
Tps: |
78 |
| Bus: |
SCSI (Max 4MB/s) |
Interfaces: |
Ethernet (thick/thin), 3 DEC423 (MMJ), 1 RS232 (MMJ) (?) |
| Memory: |
Maximum 72MB |
Enclosure: |
(?) |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-18 |
| Notes: |
SCSI interface uses SCSI-2 NCR-53C94 |
MicroVAX 3100 M85(MicroVAXes index)
| Nickname: |
Waverly/M+ |
Cpu: |
KA55, NVAX 62.5MHz (16ns), 8KB on chip cache, 128KB external cache |
| Vup: |
16 |
Tps: |
110 |
| Bus: |
2 SCSI
|
Interfaces: |
Ethernet (thick/thin), 3 DEC423 (MMJ), 1 RS232 (MMJ) |
| Memory: |
Minimum 16MB, Maximum 128MB |
Enclosure: |
BA42-B, 180W |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-17 |
| Notes: |
Seven additional SCSI devices with option KZDDA-xx |
MicroVAX 3100 M88(MicroVAXes index)
| Nickname: |
Waverly/M+ |
Cpu: |
KA58, NVAX (16ns), 8KB on chip cache (?), 128KB external cache |
| Vup: |
16 |
Tps: |
110 |
| Bus: |
1 SCSI (and 1 optional) |
Memory: |
Minimum 64MB, Maximum 512MB |
| Enclosure: |
MiniTower or rackmount |
Introduced: |
1996? |
| NetBSD: |
Probably (as of NetBSD 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
Seven additional SCSI devices with option KZDDA-xx |
MicroVAX 3100 M90(MicroVAXes index)
| Nickname: |
Cheetah |
Cpu: |
KA50, NVAX 72MHz (14ns), 10KB cache on chip, 128KB on board |
| Vup: |
24 |
Tps: |
125 |
| Bus: |
SCSI (Max 4MB/s) |
Interfaces: |
Ethernet (thick/thin), 3 DEC423 (MMJ), 1 RS232 (MMJ) (?) |
| Memory: |
Maximum 128MB |
Enclosure: |
(?) |
| NetBSD: |
Probably (as of NetBSD 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
SCSI interface uses SCSI-2 NCR-53C94 |
MicroVAX 3100 M95(MicroVAXes index)
| Nickname: |
Cheetah+ |
Cpu: |
KA51, NVAX (12ns), 10KB cache on chip, 512KB on board |
| Vup: |
32 |
Tps: |
165 |
| Bus: |
none (?) Q-bus (?) |
NetBSD: |
Probably (as of NetBSD 1.6.1) |
| Last updated: |
2003-07-17 |
MicroVAX 3100 M96(MicroVAXes index)
| Nickname: |
Cheetah++ |
Cpu: |
KA56, NVAX 100MHz (10ns?) |
| Vup: |
38 |
Tps: |
190 |
| Bus: |
2 SCSI
|
Interfaces: |
Ethernet (thick/thin), 3 DEC423 (MMJ), 1 RS232 (MMJ) |
| Memory: |
Minimum 16MB, Maximum 128MB |
Enclosure: |
BA42-B, 180W |
| NetBSD: |
Probably (as of NetBSD 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
Seven additional SCSI devices with option KZDDA-xx |
MicroVAX 3100 M98(MicroVAXes index)
| Nickname: |
Cheetah++ |
Cpu: |
KA59, NVAX (10ns), 10KB on chip cache, 512KB external cache |
| Vup: |
38 |
Tps: |
200 |
| Bus: |
1 SCSI (and 1 optional) |
Memory: |
Minimum 64MB, Maximum 512MB |
| Enclosure: |
Minitower or rackmount |
Introduced: |
1996? |
| NetBSD: |
Probably (as of NetBSD 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
Seven additional SCSI devices with option KZDDA-xx |
MicroVAX 3300(MicroVAXes index)
| Nickname: |
Mayfair II |
Cpu: |
KA640, CVAX chip (100ns), 1KB cache on chip, 4MB RAM |
| Vup: |
2.4 |
Tps: |
19 |
| Bus: |
Q-bus, DSSI disk interface (Max 4.0MB/s) |
Interfaces: |
Ethernet - one or two |
| Enclosure: |
Minitower |
Memory: |
Maximum 52MB (ECC) |
| NetBSD: |
Can run NetBSD. (but DSSI not supported as of 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3400 used same hardware in a larger (?) box, the KA640 CPU card has 4MB of DRAM on board for lower cost systems. |
MicroVAX 3400(MicroVAXes index)
| Nickname: |
Mayfair II |
Cpu: |
KA640, CVAX (100ns), 1KB cache on chip, 4MB RAM |
| Vup: |
2.4 |
Tps: |
19 |
| Bus: |
Q-bus, DSSI disk interface (Max 4.0MB/s) |
Interfaces: |
Ethernet - one or two |
| Enclosure: |
BA213 |
Memory: |
Maximum 52MB (ECC) |
| NetBSD: |
Can run NetBSD. (but DSSI not supported as of 1.6.1) |
Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3300 used same hardware in a smaller box (BA215) |
MicroVAX 3500(MicroVAXes index)
| Nickname: |
Mayfair |
Cpu: |
KA650, CVAX (90ns), 1KB on chip cache, 64KB external cache (180ns) |
| Vup: |
2.7 |
Tps: |
21 |
| Bus: |
Q-bus (Max 3.3MB/s) |
Memory: |
Maximum 32MB (ECC) (maybe 64MB with 4 boards) |
| Enclosure: |
BA213 |
Introduced: |
September 1987 |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-18 |
| Notes: |
MicroVAX 3600 used same hardware in a larger BA213 pre-mounted in an H9644 box |
MicroVAX 3600(MicroVAXes index)
| Nickname: |
Mayfair |
Cpu: |
KA650, CVAX chip (90ns), 1KB on chip cache, 64K external cache (180ns) |
| Vup: |
2.7 |
Tps: |
21 |
| Bus: |
Q-bus, DSSI bus (Max 3.3MB/s) |
Memory: |
Maximum 64MB (ECC) |
| Enclosure: |
H9644 system cabinet |
Bus: |
Q-bus, DSSI bus (Max 3.3MB/s) |
| Enclosure: |
H9644 system cabinet |
Interfaces: |
1 or 2 ethernet |
| Memory: |
Maximum 64MB (ECC) |
Introduced: |
September 1987 |
| Image: |
MicroVAX 3900. |
NetBSD: |
Can run NetBSD |
| Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3500 used same hardware in a smaller (?) box Usually delivered in a BA213 chassis with an RA82 on top. Often paired with a second cabinet containing TU81-PLUS and a second RA82 in the bottom. The VAXserver 3600 and VAXserver 3602 seem essentially identical base machines |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3500 used same hardware in a smaller (?) box Usually delivered in a BA213 chassis with an RA82 on top. Often paired with a second cabinet containing TU81-PLUS and a second RA82 in the bottom. The VAXserver 3600 and VAXserver 3602 seem essentially identical base machines |
MicroVAX 3800(MicroVAXes index)
| Nickname: |
Mayfair III |
Cpu: |
KA655, CVAX+ chip (60ns), 1KB on chip cache, 64KB external cache (120ns) |
| Vup: |
3.8 |
Tps: |
30 |
| Bus: |
Q-bus, DSSI bus (Max 3.3MB/s) |
Interfaces: |
1 or 2 ethernet |
| Memory: |
Maximum 64MB (ECC) |
Enclosure: |
BA213 |
| NetBSD: |
Can run NetBSD |
Last updated: |
2003-07-17 |
| Notes: |
MicroVAX 3900 is the same machine in an H9644 w/RA90 drives |
MicroVAX 3900(MicroVAXes index)
| Nickname: |
Mayfair III |
Cpu: |
KA655, CVAX+ chip (60ns), 1KB on chip cache, 64KB external cache (120ns) |
| Vup: |
3.8 |
Tps: |
30 |
| Bus: |
Q-bus, DSSI bus (Max 3.3MB/s) |
Enclosure: |
H9644 system cabinet |
| Interfaces: |
1 or 2 ethernet |
Memory: |
Maximum 64MB (ECC) |
| Image: |
MicroVAX 3900. |
NetBSD: |
Can run NetBSD. |
| Last updated: |
2003-07-17 |
Notes: |
MicroVAX 3800 used same hardware in a BA213
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VAX hardware reference
