IBM XT diagnostic ROM
Roy J. Tellason
rtellason at verizon.net
Wed May 28 15:46:12 CDT 2008
On Wednesday 28 May 2008 16:32, Fred Cisin wrote:
> They used to be readily available from JDR, etc.
I remember people trying to sell us one back when we had the shop...
> In fact, one of the magazines published a DIY version that was an exact
> match for the one that JDR sold.
Do you happen to recall any more detail on that? I've always wondered how
those worked, and a magazine article would be neat to see on it...
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