Hard disk woes..
Oskar von der Luehe
ovdluhe at ethz.UUCP
Thu Jul 19 02:24:54 AEST 1990
In article <1671 at yenta.alb.nm.us> dt at yenta.alb.nm.us (David B. Thomas) writes:
>dougm at lakesys.lakesys.com (Doug McIntyre) writes:
[discussion on odd/bad blocks deleted ...]
>> Second. I picked up a WD2010A from a mail order place for the 3085
>>so I can use tracks 1025-1170.. The WD2010A doesn't work with my system..
I keep hearing this message; i. e., a WD2010 not working in a 7300/3B1.
How about exchanging experiences on this topic? Maybe we find out about
what's wrong.
So here goes my story:
System: Unix-PC 7300, 512kB on-board RAM, 20MB Miniscribe 3425
The motherboard has a "Rev. G" sticker on it, and every-
thing seems to indicate that the system was assembled
in Summer 1985.
HD Controller: WDC'84 WD 2010 B - PL used as replacement for the ori-
ginal WD1010.
Symptoms: HD works fine, but access to Floppy is gone!!! *ANY*
access to the floppy crashes the kernel
"panic: gfpwrite: Can't verify write to WD2797"
The diagnostic disk won't boot.
Replacing the WD1010 HD controller fixes things
immediately.
Sure enough, the *FLOPPY* controller is a WDC '82 WD2797 A - PL. What's
happening? Don't the 2010B and the 2797A go along with each other? I
don't have schematics, and my hardware knowledge goes back to times when
vacuum tubes were still common. Anybody an idea? What are the symptoms
of failure of the rest of the world?
>Do anyone know if the 3.51/3.51m distinction makes a difference here?
I doubt it!
> David
Oskar
--
Oskar von der Luehe UUCP: "...!unido!cernvax!ethz!ovdluhe"
Institut fuer Astronomie SPAN: vdluhe at 20641.span
ETH-Zentrum DECNET: 20641::VDLUHE
CH-8092 Zuerich, Switzerland
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