Playing with HP2640B

Mike Loewen mloewen at
Tue Dec 5 09:51:04 CST 2017

On Tue, 5 Dec 2017, Mattis Lind wrote:

> 2017-12-05 16:26 GMT+01:00 Mike Loewen via cctalk <cctalk at>:
>> On Tue, 5 Dec 2017, Mattis Lind via cctalk wrote:
>> While going through the HP2640B I found two boards which I cannot find
>>> relevant schematic and description for, the 02640-60009 Display Memory
>>> Access Module and the 02640-60088 Display Timing Module. Anyone has more
>>> info on these?
>>    The manual for the 02640-60088 is here:
> Thanks! Those numbers fooled me. Some time the number seems to correspond a
> bit between the number on the board and some times not.

    The Data Terminal Technical Information Package contains a cross-reference 
for PCAs and Module numbers.  Unfortunately, it doesn't list the 02640-60009.

Mike Loewen				mloewen at
Old Technology

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