AW: 48-bit IDE [Re: 160gb disk showing up as 137gb]

[Martin Bene]

Hi Kevin,

> You need an IDE controller that supports ATA133.  For most existing
> computers, that is going to require a new card.

That actually turns out not to be the case.

While you do need a new controller if you want to use ATA133, the LBA48 addressing scheme in no way depends on ATA133. Running a 160GB disk on your old ATA100 (or ATA66 or ATA33) controller works just fine.

Bye, Martin

-----Original  Message-----
> 
> 
> From: [e-mail]
> [mailto:[e-mail]]On Behalf Of Ville Herva
> Sent: Saturday, April 27, 2002 7:56 AM
> To: Martin Bene; [e-mail]
> Subject: 48-bit IDE [Re: 160gb disk showing up as 137gb]
> 
> 
> On Sat, Apr 27, 2002 at 12:16:06PM +0200, you [Martin Bene] wrote:
> >
> > IDE: The kernel IDE driver needs to support 48-bit 
> addresseing to support
> > 160GB.
> >
> > (...) however, you can do something about the linux ATA driver: code
> > is in the 2.4.19-pre tree, it went in with 2.4.19-pre3.
> 
> But which IDE controllers support 48-bit addressing? Not all 
> of them? Does
> linux IDE driver support 48-bit for all of them? Do they require BIOS
> upgrade in order to operate 48-bit?
> 
> Or can I just grab a 160GB Maxtor and 2.4.19-preX, stick them 
> into whatever
> box I have and be done with it?
> 
> 
> 
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