[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Expansion card debugging



At 10:33 PM 9/10/96 -0700, you wrote:
>
>>What do you debug your card in? Do you just buy an off the shelf PC or does
>>something exist which is more tailored for this purpose?
>
>When I was debugging my ISA cards, I used a cheap off-the-shelf PC and some
>extender cards that merely brought all the traces to the top connector. (It
>was a "desktop" case, rather than a "tower" case, and the extender allowed
>me to probe all sides of the board).
>
>I cut some of the traces and put resistors in-line all the power traces
>after I fried one motherboard. Now I can directly short +5 and gnd without
>any permanent damage. (The motherboard won't boot, of course, until after I
>find and fix the short).
>
>I've heard rumors of a more sophisticated extender board for PCI production
>testing. Supposedly it has some sort of active analog switches on all the
>non-ground lines that disconnect everything at the first sign of trouble.
>It also allows software to apply/remove power from the PCI card plugged
>into the extender, so you can
>  plug in
>  test
>  unplug
>  plug in the next card
>with the motherboard power always on -- much faster than waiting through
>the boot cycle.
>
>I'd really appreciate any pointers to any remotely similar product, in case
>I really do design a PCI card Real Soon Now.
>
><a href="mailto:d.cary@ieee.org">David Cary</a>
><a href="http://www.rdrop.com/~cary/">Future Technology</a>.
>
>
>

You can try ADEX; I bought their extender board and it works fine.
Contact Mr. Casey who can send you a list of all the boards they have.

ADEX : 
phone: (714) 597-1772
fax:   (714) 597-1729

Regards
Vandana
˜‡