Four Unibus boards from radiation dose measurement system.

[dwight]

There is two different kinds of test. One is to give them a fixed dose and then check to see if they are still operational. The other is to zap them until they fail, and then diagnose the failure/s.

Dwight


________________________________
From: cctalk <cctalk-bounces at classiccmp.org> on behalf of Al Kossow via cctalk <cctalk at classiccmp.org>
Sent: Monday, March 19, 2018 10:35:47 AM
To: cctalk at classiccmp.org
Subject: Re: Four Unibus boards from radiation dose measurement system.



On 3/19/18 8:57 AM, Lyle Bickley via cctalk wrote:

>> 2914 chips. One board has some kind of dedicated memory one board has
>> 4 TRW chips which I think are AD converters.
>>

It's a frame buffer, you can see the 10422 lookup tables behind the TRW video DACs