KA640 CPU: Difference between revisions
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The '''KA640''' is the [[Central Processing Unit|CPU]] used in [[MicroVAX 3300/3400]] systems. It is a single [[DEC card form factor|quad]]-height [[printed circuit board|PCB]] which plugs into a | The '''KA640''' is the [[Central Processing Unit|CPU]] used in [[MicroVAX 3300/3400]] systems. It uses the [[KA650 Main Memory System]], includes built-in [[Digital Storage Systems Interconnect|DSSI]] and [[Ethernet]] interfaces, and provides a [[QBUS]] for general [[input/output|I/O capabilities]]. | ||
Physically, it is a single [[DEC card form factor|quad]]-height [[printed circuit board|PCB]] which plugs into a QBUS [[backplane]]. The KA640 module number is '''M7624'''. | |||
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==External links== | |||
* [http://www.bitsavers.org/pdf/dec/vax/640/ 640] - documentation at [[Bitsavers]] | |||
** [http://www.bitsavers.org/pdf/dec/vax/640/EK-KA640-TM-001_Tech_Sep88.pdf KA640 CPU Module Technical Manual] (EK-KA640-TM-001) | |||
** [http://www.bitsavers.org/pdf/dec/vax/640/EK-179A-MG-001_KA640_Oct88.pdf KA640 CPU System Maintenance] (EK-179A-MG-001) | |||
[[Category: VAX QBUS Processors]] | [[Category: VAX QBUS Processors]] | ||
Latest revision as of 13:59, 27 May 2024
The KA640 is the CPU used in MicroVAX 3300/3400 systems. It uses the KA650 Main Memory System, includes built-in DSSI and Ethernet interfaces, and provides a QBUS for general I/O capabilities.
Physically, it is a single quad-height PCB which plugs into a QBUS backplane. The KA640 module number is M7624.
External links
- 640 - documentation at Bitsavers
- KA640 CPU Module Technical Manual (EK-KA640-TM-001)
- KA640 CPU System Maintenance (EK-179A-MG-001)
