dyer@spdcc.UUCP (06/02/87)
I think I have refined the statement of the problem I made a few days ago.
Any attempt to read from drive A: on the AT causes a parity error. This
would include booting DOS from a diskette or accessing the floppy under
SCO XENIX. Naturally, DOS hangs after vectoring to such an unexpected
interrupt, while XENIX performs a panic.
Anyone have an idea what could be going on hardware-wise? The hard disk
works fine, although it still times out with a 1790 error at boot time.
Would this be a bad DMA channel? The error occurs with two different
hard/floppy controllers which pass diagnostics otherwise.
--
Steve Dyer
dyer@harvard.harvard.edu
dyer@spdcc.COM aka {ihnp4,harvard,linus,ima,bbn,halleys}!spdcc!dyer