> Firstly a call is made to BIOS INT 15 AX=0xE820 in order to read the
> E820 map. A maximum of 32 blocks are supported by current kernels. The
> 'SMAP' signature is required and tested. In addition the SMAP signature
> is restored each call, although not required by the specification in order
> to handle some know BIOS bugs.
FYI, in OS/2, the E820 call is made only on machines with a Pentium Pro or
higher, because apparently (and this is my guess) there are some motherboards
out there with older CPUs that don't return a reliable result to the E820 call.
-- Timur Tabi - firstname.lastname@example.org Interactive Silicon - http://www.interactivesi.com
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