Re: Kernel & BIOS return differing head/sector geometries
H. Peter Anvin (email@example.com)
Tue, 24 Jun 2003 08:29:20 -0700
Werner Almesberger wrote:
> H. Peter Anvin wrote:
>>Presumably "linear", not "lba32". I *presume* LILO has enough
>>wherewithal to use EBIOS if it's available and fall back to CBIOS
>>otherwise for at least one of these options. I at least thought "lba32"
>>would force EBIOS usage.
> Yes, that seems to be the case. (All the LBA32 code is from John
> Coffman. I've copied him in case he's interested in the thread.)
> But you're still betting on the BIOS to either implement EDD
> correctly, or at least to report that it doesn't support it.
> Call me paranoid, but I wouldn't be at all surprised if there are
> some BIOSes out there that get this wrong.
Well... it's somewhat unlikely given the sheer amount of things that
would probably break. The rule these days is that if it works with the
particular versin of M$ that's currently shipping then it's good, but
I'm pretty sure NTLOADER uses EDD.
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