Re: Perform minimal RAM test at boot
Horst von Brand (vonbrand@sleipnir.valparaiso.cl)
Mon, 01 Nov 1999 22:49:32 -0300
nathan.zook@amd.com said:
> Two things. First, you don't want to detect memory this way. I'm told some
> systems crash if you address memory which is not present. Note also that
> the only way to test for memory's presence is to write to it & try to read
> back. This destroys any data which might have been put there by the
> bios.........
About systems crashing, I don't know. But on the second point, Alessandro
Rubini's book "Linux Device Drivers" does include some memory-mapping code.
--
Horst von Brand vonbrand@sleipnir.valparaiso.cl
Casilla 9G, Viņa del Mar, Chile +56 32 672616
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