PDP-11 Memory
Pete Turnbull
pete at dunnington.plus.com
Fri Jan 11 15:34:45 CST 2019
On 11/01/2019 20:51, Bill Gunshannon via cctalk wrote:
> Listed what I'm using in the beginning of this thread.
> Just CPU and Memory at this point.
OK, I didn't see that - sorry.
>> BTW, BA23 and BA123 microPDP-11 backplanes aren't the same - it's the
>> first 4 slots that differ in a BA123, and slot 13 is different again.
>> Take a look at http://www.dunnington.info/public/PDP-11/QBus_chassis
> Mine are all BA23. Wasn't the BA123 for the MicroVAX?
No, it was introduced for the microPDP-11 series, and only later used
for MicroVAX and MicroVAX-II. There are many microPDP-11/83 machines in
BA123 cabinets, it was a very popular option because of the space for
storage devices and the extra backplane slots.
--
Pete
Pete Turnbull
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