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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.

BSD daemon

Interface cards

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Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: SCSI disks & tapes
Vendor: CMD Last updated: 1999-02-16
Notes: xx3 has S-handle, /T is tape, /M is disk, /TM are disk & tape controller
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: SCSI disks & tapes
Vendor: CMD Last updated: 1999-02-16
Notes: xx3 has S-handle, /T is tape, /M is disk, /TM are disk & tape controller
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: SCSI disks & tapes
Vendor: CMD Last updated: 1999-02-16
Notes: xx3 has S-handle, /T is tape, /M is disk, /TM are disk & tape controller
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: SCSI disks & tapes
Vendor: CMD Last updated: 1999-02-16
Notes: xx3 has S-handle, /T is tape, /M is disk, /TM are disk & tape controller
Type: ethernet interface Bus: Q-bus
Specification: M7516 DELQA Ethernet interface Last updated: 2004-07-15
Type: ethernet interface Bus: Q-bus
Last updated: 1998-01-24
Type: Pertec tape controller Bus: Q-bus
Vendor: Dilog Last updated: 1999-02-16
Notes: emulates TS11 and TSV05
Type: Pertec tape controller Bus: Q-bus
Vendor: Dilog Last updated: 1998-11-23
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: ESDI disks
Vendor: Dilog Last updated: 1999-02-16
Notes: controller for 4 disks.
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: ESDI disks
Vendor: Dilog Last updated: 1999-02-16
Notes: controller for 2 disks.
Type: ethernet interface Bus: Q-bus
Specification: M7651 DRV-11 parallel interface Last updated: 2004-07-15
Type: serial card Bus: Q-bus
Specification: 4 port serial card Last updated: 1998-01-24
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: SDI disks (eg: RA90)
Last updated: 1998-01-26

Q22 Q-bus expander (Interface cards index)

Type: bus expander Bus: Q-bus
Specification: M9404 Q22 Q-bus expander Last updated: 2004-07-15
Type: disk controller Bus: Q-bus
Bus protocol: MSCP Specification: ESDI disks
Vendor: Emulex Last updated: 1999-02-16
Notes: controller for 2 disks.
Type: Pertec tape controller Bus: Q-bus
Bus protocol: TMSCP Vendor: Emulex
Last updated: 1999-02-16 Notes: QT14 is a QT13 with S-handle
Type: Pertec tape controller Bus: Q-bus
Bus protocol: TMSCP Vendor: Emulex
Last updated: 1999-02-16 Notes: QT14 is a QT13 with S-handle
Type: disk controller Bus: Q-bus
Bus protocol: E(?) Vendor: MTI
Specification: SCSI disks Last updated: 1998-02-06
Type: disk controller Bus: Q-bus (quad width)
Specification: M8639YA controller. Four drives. RX50, RD50, RD51, RD52, and RD53 Bus protocol: MSCP
Last updated: 1998-01-26 Notes: RX50 counts as two drives
Type: disk controller Bus: Q-bus (quad width)
Specification: M8639YB controller. Four drives. RX50, RD50, RD51, RD52, and RD53 Bus protocol: MSCP
Last updated: 1998-01-26 Notes: There were at least two firmware releases of the RQDX2 RX50 counts as two drives
Type: disk controller Bus: Q-bus (dual height)
Specification: M7555 controller. Four drives. RX50, RX33, RD50, RD51, RD52, RD53, and RD3x Bus protocol: MSCP
Last updated: 1998-01-26 Notes: RX50 counts as two drives
Interface: VAXBI bus Bus protocol: TMSCP
Last updated: 1998-03-18 Notes: Used to connect TK70 to a VAXBI bus machine
Type: tape interface Interface: Q-bus
Bus protocol: TMSCP Last updated: 1998-01-28
Notes: Used to connect TK50 to a Q-bus machine
Type: tape interface Interface: UNIBUS
Bus protocol: TMSCP Last updated: 1998-01-28
Notes: Used to connect TK50 to a UNIBUS machine
Type: tape interface Interface: SCSI
Bus protocol: TMSCP Last updated: 1998-01-28
Notes: Used to convert TK50 to TK50Z
Alias: QVSS Type: video card
Bus: Q-bus Specification: Monochrome
Last updated: 1998-01-24 Notes: Came with vr290 to turn MicroVAX II into a VAXstation II
Alias: QDSS Type: video card
Bus: Q-bus Specification: 4 (2 boards) or 8 (3 boards) plane colour
Last updated: 1998-01-24 Notes: Used to turn MicroVAX II into a VAXstation II/GPX

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