VAX 780 on eBay

John H. Reinhardt johnhreinhardt at
Sat Jan 1 12:49:50 CST 2022

On 1/1/2022 12:40 PM, Paul Koning via cctalk wrote:
>> On Jan 1, 2022, at 1:12 PM, Noel Chiappa via cctalk <cctalk at> wrote:
>> This:
>> The starting price is expensive, but probably not utterly unreasonable,
>> given that:
>> - the 780 was the first VAX, and thus historically important
>> - 780's are incredibly rare; this is the first one I recall seeing for sale
>>   in the classic computer era (versus several -11/70's, /40s, etc)
>> - this one appears to be reasonably complete; no idea if all the key CPU
>>   boards are included, but it's things like the backplane, etc (all of which
>>   seem to be there) which would be completely impossible to find now - if any
>>   boards _are_ missing, there's at least the _hope_ that they can be located
>>   (780 boards seem to come by every so often on eBait), since people seem to
>>   keep boards, not realizing that without the other bits they are useless
> Interesting, but the argument for why it's not tested is implausible which makes me very suspicious.  I suppose there might be a few American homes that  have only 110 volt power, but I'm hard pressed to think of any I have ever seen, and that includes really old houses.
> 	paul

Possibly part of the same installation they have:

TU77: (The 11/780 is visible in the background of the first picture)

Prices seem on the high end but not totally unreasonable.  There don't seem to be any RM05 packs included with the drive.

John H. Reinhardt

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