partitioning & 1024 cylinder limit

Dennis w32 at earthlink.net
Sun Mar 10 08:49:00 PST 2002


How does one determine how much disk the BIOS can see? 

I made the suggested changes, and all works. I might still be in trouble
if BIOS sees only 8GB though, as SuSE is installed at the top of a 9GB
disk, (its partition straddles the 8GB mark). 

-Dennis.

Michael Klose wrote:
> 
> >
> >
> >
> >When you do that you can install LFS anywhere you want without having to
> >worry about those cylindric boundaries.
> >
> 
> More important is that the BIOS recognizes the whole of the disk.
> 
> My laptop doesn't (I have a 20Gig in my thinkpad, the BIOS only
> recognizes 8 of it). As soon as you are in a 32 Bit OS the BIOS doesn't
> matter anymore. My Win98 C partition is 5gigs, followed by a 9 gig FAT32
> shared data. After that come several linux partitions. Plain DOS does
> see the 5Gig C, which is enough to boot up WIn98. Once windows is loaded
> and you have 32 bit, everything is recognized.
> 
> I boot linux via the win98 start menu using the loadlin.exe tool.
> 
> What I am saying is that the BIOS need to be able to see the whole disk,
> and even if it doesn't, there are work arounds. My server (dual PII-266
> Mhz, only recognizes up to 32Gigs, can't find a BIOS update), plugging
> in the 60 Gig Maxtor when it is on autodetect freezed the machine.
> Selecting "no harddisk" enables it to be bootable (I boot off an 8Gig).
> Linux still recognized the 60Gig HDD though and is mounted as one huge
> reiserfs parition.
> 
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