[buug] Can't get Linux to see more than 2 GiB on 75GXP

[Will Sargent]

I think ATA is just the official term for IDE, so they're the same.

It's not LBA addressed by the BIOS right now; it's handled by the ATA 100
controller.  As far as the BIOS goes, it doesn't even HAVE a hard drive :-)

Will.

> -----Original Message-----
> From: buug-admin at weak.org [mailto:buug-admin at weak.org]On Behalf Of
> Patrick Soltani
> Sent: Thursday, December 20, 2001 9:07 AM
> To: Will Sargent
> Cc: buug at weak.org
> Subject: RE: [buug] Can't get Linux to see more than 2 GiB on 75GXP
>
>
> Is the drive scsi or IDE?
> If ide, then have you checked the LBA, Logical Block Addressing, in the
> bios?
> I have run into situations that simply instructing the bios to handle
> the ide disk with LBA enable resolves the size problem.
> If scsi disk, then I would do a low level format of the scsi device.
> Usually the adaptor allows you to do this via a key-stroke/menu or the
> manufacturer has a utility that you run off of a floppy, usually DOS
> based, and takes care of this.
>
> Good luck.
>
> Regards,
> Patrick Soltani.
>
> -----Original Message-----
> From: Will Sargent [mailto:will_sargent at yahoo.com]
> Sent: Thursday, December 20, 2001 1:56 AM
> To: buug at weak.org
> Subject: [buug] Can't get Linux to see more than 2 GiB on 75GXP
>
>
> I throw myself on the mercy of the mailing list.  I have RTFM'ed to the
> depth of my understanding, and I'm still hosed.
>
> I can't get my IBM Deskstar 75GXP to be recognized as more than 2 GiB
> under
> Linux.  I'm using the 30 GiB model (IBM-DTLA-307030).  I've tried
> Mandrake
> 8.1 and Redhat 7.1, and both distros will come up on boot recognizing
> the
> drive type, but then assigning it as a 2 GiB drive.  The CHS is printed
> as
> 255/255/63, if CHS still has any meaning.
>
> I'm using an Asus A7V133 motherboard, revision 1004.  This drive and
> motherboard worked fine for me under Windows 2000 (so it's not a bad
> drive)
> or outdated BIOS (which is unlikely).  The Asus board includes an
> integrated
> Promise ATA/100 controller, and I've tried using that instead of the
> standard ide channels, but that doesn't seem to help (again, it
> recognizes
> the drive on /dev/hde, but has the wrong CHS and number of sectors).
>
> I've even tried specifying the CHS directly using bootparam.  The
> command
> line I'm currently using is:
>
> linux ide2=0x9400,0x9002,autotune hde=3737,255,63
>
> which at least forces hdparm -g to show the right CHS, but still doesn't
> change the number of sectors (i.e. it still thinks it's a 2 GiB drive).
>
> I don't have anything wierd in my system that I know of.  There's a
> Macronix
> Tulip type ethernet card and a SB Live soundcard.  I also have the 50x
> CD-ROM drive plugged into ide2 so it gets recognized by the BIOS and can
> boot up (although it's still a secondary slave).
>
> Anyone who knows whats happening here shall receive my eternal
> gratitude.
>
> Will.
>
>
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