How to lose most of an an entire collection in one shot

[Rik Bos]

> -----Oorspronkelijk bericht-----
> Van: cctalk-bounces at classiccmp.org 
> [mailto:cctalk-bounces at classiccmp.org] Namens Tony Duell
> Verzonden: dinsdag 23 juni 2009 19:36
> Aan: cctalk at classiccmp.org
> Onderwerp: Re: How to lose most of an an entire collection in one shot
> 
> > > 
> > > Right... As I said, I've only been inside the 9000/340 (I have a 
> > > number of those that I was given, all with high-res video boards, 
> > > and IIRC, 16M RAM.). Somewhere I have an interface board for an 
> > > external video box, the different back panel that goes with that, 
> > > and a little cardcage you can fit to that backpanel that 
> has a DIO 
> > > slot).
> > 
> > Is it for the Graphic coprocessor ?
> 
> The interface board (that fits in place of the graphics 
> board) may well be. Somwehre I have an HP box, the same size 
> as a 9000/340, which appears to be some kind of grapghics 
> processor (there's an i860 on one of the boards and lots of 
> ASICs IIRC). That came with an HP9000/400 series machine, but 
> it may well (a) not have gone with that one and (b) might 
> work on the 9000/340 too.
> 
> The DIO slot seems normal. There was a 98625 (high speed HPIB 
> using the Medusa chip) with it. I assume that went in said DIO slot. 
> 
> > > > The interface board contains 1 big pga i/o chip
> > > (propriarity hp) but
> > > > the rest is TTL and some LSI-chips.
> > > 
> > > Custom LSI, or things I might have heard of? It's not the PGA 
> > > package I oject to per se, rather it's the fact I can't 
> get data or 
> > > replacements for some of the ICs.
> > 
> > One custom LSI I think it's the I/O controller.
> > The others are Lance Ethernet Ti HP-IB controller HIL-chip, serial 
> > controller 1820-3623 and some other standaard interface chips. The 
> > only one
> 
> Oh that doesn't sound too bad. I don't recognise that serial 
> chip off the top of my head, but it might be something standard.
> 
> For some inexplicable reason, HP used the 8250 in the 
> 9000/200 series. A very odd choice given that it's a 68000 machine...
> 
> > that would bother you would be the HP 1TQ4-0401.
> > I'll make some pictures this week and put them on flickr so you can 
> > look at them.
> 
> Thanks...

It is done ;-)
Url http://www.flickr.com/photos/hp-fix/
 
> 
> > Hardware problems are always 'fun' ;-)
> 
> Indeed. Well, as everyone knows by now, my primary interest 
> is hardware...
> 
> -tony

Rik