440gx ethernet lockup

Eugene Surovegin ebs at ebshome.net
Wed Dec 3 14:43:02 EST 2003

On Tue, Dec 02, 2003 at 01:01:18PM -0800, Brian Kuschak wrote:
> I found the problem.  Our SEEPROM was misconfigured to
> set the MAL clock to PLB/4.  This resulted in a MAL
> clock of 41MHz, apparently too slow...  After changing
> the MAL clock to PLB/1, the system ran for days
> without any problems.  Unfortunately I couldn't find
> any IBM docs which specify requirements for the MAL
> clock, and IBM still hasn't responded.

Well, I just checked 440GX manual and it does states that minimum MAL
clock is 45MHz (see CPR0_MALD register definition).


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