Difference between revisions of "MXV11-A Multifunction Option Module"
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==External links== | ==External links== | ||
Revision as of 01:02, 28 July 2024
The MXV11-A Multifunction Option Module is a QBUS dual-height peripheral board (M8047), intended to allow the creation of complete systems in a minimal-sized QBUS backplane.
It contains two asynchronous serial lines (using the DL11 programming standard), an optional non-programmable line time clock, a block of main memory, and some PROM for bootstrap purposes. The serial lines are connected via 10-pin Berg connector headers on the top edge of the card, using the standard DEC asynchronous serial line pinout, and line 1 can be set to halt or boot the machine on a break.
Two different versions exist:
- MXV11-AA - 8Kbytes of RAM
- MXV11-AC - 32Kbytes of RAM
It is a Q18 device, and the RAM cannot be used when it is in a Q22 system.
See also
Further reading
- MXV11 Configuration, MicroNote #054
External links
- microcomputer processor handbook - the MXV11-A is covered in Chapter 12, pp. 494-493 (pp. 531-541 of the PDF)
- Microcomputer Products Handbook - the MXV11-A is covered on pp. 17–1-21 (pp. 231-251 of the PDF)
- MXV11-AA, AC Configuration Guide (M8047)
- MXV11-A Field Maintenance Print Set (MP00730)
- Multifunction Modules
