Intel MDS Series II IOC question
chenmel at earthlink.net
Fri Sep 2 20:33:58 CDT 2005
On Sat, 3 Sep 2005 00:27:19 +0100 (BST)
ard at p850ug1.demon.co.uk (Tony Duell) wrote:
> > Greetings Dave,
> > Possibly helpful hints from a friend not on this list:
> > ------------
> > Subject: Re: Intel MDS Series II IOC question (fwd)
> > Hi George,
> > My first thought is SCANBE.
> > My second thought is SCANBE.
> > My third thought is... can you guess?
> I assume these are cheap and useless IC sockets.....
Somehow I had guessed for authenticity purposes, you would be
campaigning for people to _preserve_ these sockets. Nightmare-grade
unreliable sockets are part of the history of the particular machines
they were installed in.
> > Replacing the SCANBE sockets with AUGAT barrel type on the older
> > IOC's has always solved my 5 beep test problems. Making sure all
> > socketed components
> > are properly seated in reliable sockets. The manuals, flow charts,
> > etc...
> This reminds me of my Whitechapel MG1. The 'expensive' devices, CPU
> (32016), FPU (32081), I/O processor (68121 IIRC), etc were all in
> turned-pin sockets. The EPROMs were in cheap-n-nasty sockets.
> Replacing the latter with turned-pin so;ved a lot of problems...
I guess you don't view it as an issue. Were machine-pin sockets even
_available_ when some of the early machines were produced?
Note- I didn't make the above comments to start a flame war.
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