[LinuxBIOS] 440BX progress.

Segher Boessenkool segher at kernel.crashing.org
Sun Nov 26 22:41:32 CET 2006

>>> Is that the canonical way to test whether RAM init works?
>> The "canonical" way is to attach a memory bus analyser to
>> your board.  Failing that, you can run some stress tests
>> (like, boot Linux and do some disk+network load on it, or
>> similar).  If everything works, your memory works, eh?  :-)
> Sure, if I could boot Linux or memtest my problems would be solved. But
> currently I haven't yet managed to do so. The problem now is, that I
> don't know whether booting memtest fails because I need to setup more
> of the mainboard-specific stuff or because my RAM init doesn't work 
> yet.

That's why you should try doing one (tiny) step at a time, and
add lots of debugging/tracing statements.  Figure out exactly
what works and what doesn't :-)

> There _are_ differences, but nothing related to the RAM config 
> registers
> as far as I can see.

I'll have a look at it too, second pair of eyes...


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