TIP: Click on subject to list as thread! ANSI
echo: locuser
to: Dieter Mirbach
from: Bob Lawrence
date: 1996-07-16 09:40:24
subject: Bloody ISA card

DM> EMFBI, just to warn you - the serial and parallel cables that
 DM> come from the ISA card to the actual physical DBx connection
 DM> are not all the same - use the one that comes supplied with
 DM> your card.

 DM> Spent a wee while chasing that one down.

  Yair... I know. The cable the nice Chinese gave me with the VESA
card does not match it. I went 90% crazy tracking it down; finally
isolating it to the cable and checking it wire-by-wire until Brenton
says: "There are two types, A and B, and no one knows which is which."
ROFL!

  IFIIKE (I'm fucked if I know, either). WTF does EMFBI mean?

  Anyway, I got the bloody thing working. In the end I gave up trying
to find the bad connection in the IDE pin header and resoldered the
lot; I bunged in a coupla XOR gates (HC logic; the 4000 series is too
slow), superglued on an IRQ11 copper track, and everything works! I
have a max of four hard drives on the VESA card running Mode-4, plus
the floppy, LPT1, games port, and mouse (I disabled the funny cable)
and on the modified ISA card I run the CD ROM on address 1E8/IRQ11,
plus LPT2 and COM3/4. I've got sockets everywhere!

  It only took me 20 hours. On my normal consulting rate I could have
bought a new Pentium complete. The next one I modify will be easier...
I'll just buy a sound card for $60.

Regards,
Bob
 
___ Blue Wave/QWK v2.12
@EOT:

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