Re: sdram and linux
tony mollica writes:
>
> Hi. Just looking for a little more info.
>
> Just installed 64megs 168 pin sdram (replacing the 64megs of the usual
> type 72 pin edo stuff) in my system and it appears
> to be causing file system corruption, as indicated on boot
> up by fsck (attempted boot up, actually). Booting from the rescue
> disk and running fsck reports lots of problems, fixes them all, but the
> problems reappear at the next reboot from the hard disk drive. Also ran
> into a problem with programs exiting unexpectedly and core dumping for
> no apparent reason.
>
> Tried my Debian kernels 2.0.30 and 2.0.33 with the same
> result and put the original memory back, which seems to
> have fixed the problem with either kernel version.
>
> Has there been any similar reports or other problems using
> 168 pin sdram type memory or are there any hardware or kernel
> settings that I may have overlooked to make this work? The
> memory works ok on 'other' o.s.'s and machines.
Did you check the BIOS settings and make sure the BIOS is setup for SDRAM?
The typical access time of SDRAM is 10 ns, whereas EDO access time is typically
60 ns. You may have a timing problem. Remember, Linux is very demanding when
it comes to hardware.
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Thomas Kocourek KD4CIK
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