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V3 IDE with MSDOS
- To: n8vem-s100@googlegroups.com
- Subject: V3 IDE with MSDOS
- From: Gary Kaufman <geka...@gmail.com>
- Date: Tue, 23 Jun 2015 17:15:32 -0400
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Looking for troubleshooting ideas....
I've put together the V3 IDE board, and it works perfectly with CP/M and
the Z80 board.
Both IDE slots work fine in CP/M and I'm using the same flash memory
cards and SYBA adapters as I used with the V2 card.
Unfortunately I can't get it to boot MSDOS.
Using an 8088 CPU card.
The card won't access properly using QO33,80/QO32,2B/QO30,00 etc either
under the 8088 but works perfectly using the Z80.
I've tried swapping cards, adding I/O wait states on both IDE and CPU
cards, swapping GAL's, swapping IC's, stripping most other boards from
the system etc.
Thanks in advance for any ideas.
- Gary