Re: Kernel & BIOS return differing head/sector geometries

["H. Peter Anvin" <hpa@zytor.com>]

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.

	-hpa