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

[Andre Hedrick]

No, you need a host that is capable of 48-bit command set operations.
Only a few hosts fail to support the double pump of the taskfile
registers, and it requires a control register for high ordered bit
operations.

cheers,

Andre Hedrick
LAD Storage Consulting Group

On Sat, 27 Apr 2002, Kevin Krieser wrote:

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