Robert Collins of x86.org has some good docs on these debuggers. They
are ICE I believe and Robert goes into detail about how he used them
for debugging before this type of debugging could be done w/in the CPU
(486 or 386s were the first to do this).
Louis
On Mon, 15 Feb 1999, Raymond A. Ingles wrote:
>
> A co-worker has some old but possibly useful equipment available. He has
> some hardware debuggers that install as ISA cards into a standard PC.
> One is for 286's and one is for the 8088. They send data out to a serial
> port and also have a handheld switch that can be used to step through
> code.
>
> According to him they've saved hours of debugging time and even allowed
> him to find a few bugs in DOS. They can watch memory locations and halt
> when they change, and so forth. He's got the manuals as well as whatever
> supporting equipment and software they came with.
>
> As provided, they do require DOS to initialize them but this is basically
> uploading a firmware image to the card on boot. It shouldn't be terribly
> hard to port something like that to ELKS.
>
> He's not looking for outrageous profit or anything. He just doesn't have
> any use for them anymore and he'd rather not throw them away. We're
> located in Michigan, USA, northwest of Detroit. I'd imagine anyone who
> wants them would have to pay shipping.
>
> If anyone's interested, send me an offer and I'll pass them along.
>
> Sincerely,
>
> Ray Ingles (248) 377-7735 [EMAIL PROTECTED]
>
> "Your enemy is never a villian in his own eyes. Remember this - it may
> offer a way to make him your friend." - Robert Heinlein
>
>
