KA640 CPU
From Computer History Wiki
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)
