Second part. I recently upgraded my motherboard in my PC. I
went from a 486 DX2 66 Local bus (that worked like a dream in Linux)
to a 486DX4 100 Local bus. The only hardware that changed was the
motherboard and disk controller. I purchased a dual port IDE
controller made by Tekram. I now too get the same errors as above.
My simple debugging has brought me to a couple conclusions but no
solutions.
1 - Memory in both machines is fine, checked in a neutral box
that had Linux.
2 - Boards are fine under extensive DOS/Windows use. (I know
I wretch at the thought of it too.
3 - Either the disk controllers are not supported fully (or
correctly) yet, or the "Chipset" options in the BIOS is not correctly
configured.
Forgive me for the later. If you are familiar with AMI style
motherboards, they give about as much documentation as NetBSD does.
If any one can enlighten me as to guidelines for:
Local Ready delay: (1T 2T or 3T)
Signal LDEV# sample time: (T2 T3 T4 T5)
CPU ADS# Delay: (1T or Not)
LOWA20# Select (generated by Chipset or KB controller.
(These are for my board, the other machine is similar)
I have 24 meg of 70ns RAM and 256K cache, if that helps. I would like
to think it mightbe my BIOS settings. What is a good guideline to go
on to set those settings and what do they do.
Speculation is even welcome. (Just make sure you say you aren't sure either.)
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Andrew F. Nelson Systems Staff - University of Minnesota
Computer Science
nelson@cs.umn.edu
"Murphy's Law isn't just a saying, it is a way of life!"
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