QBus framebuffers, was Re: Terak 8510 system on eBay

Gordon JC Pearce gordonjcp at gjcp.net
Fri Aug 15 02:20:47 CDT 2008


e.stiebler wrote:
> Gordon J. C. Pearce wrote:
>> All this talk of Teraks reminds me, it's about time for my approximately
>> semi-annual QBus framebuffer hunt.  Is anyone keen to sell such a thing?
> 
> 
> What exactly are you looking for ?
> 

Well just to cover this reply and the couple of off-list emails I've 
had, I'm looking for *some sort* of framebuffer that I can fit to my 
PDP-11/73.  Ideally it should be able to do a couple of greyscales (But 
1-bit would be fine) or colour, and if it can spit out RS-170ish video 
that would be lovely.  RGB I can probably do, *if* I can figure out 
where I put the rather nice little Japanese-spec 12" colour monitor I 
found...

I've got loads of quad-height slots free.

Now, I've been offered a VCB02 set, which I believe is from a MicroVAX. 
  Will these work in a PDP11?  Would I need to make any mods?  Bear in 
mind that I'm most likely going to write the software from scratch.

Gordon



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