Messages in this thread | | | Date | Wed, 20 Jun 2001 20:34:44 +0200 | From | Guest section DW <> | Subject | Re: IDE drives mis-reporting size... bug or feature? |
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On Wed, Jun 20, 2001 at 02:00:44PM -0400, Josh Fryman wrote:
> this is an odd one. i think it's technically a feature > but might be perceived instead as a "bug". anyway, i've > got a pair of Ultra100 Maxtor 52049h4 20GB drives, on a > Promise Ultra 100 (PDC20267) controller. > > the drives were popped in with the jumper on for the > 4096 cylinder limit forced. > > the promise controller recognizes the drives on boot-up > init as being what they are - ~20GB - and continues on > merrily. > > Windows 2000 recognizes the drives as ~2GB in size, due to > the jumper. it's observing the 4096cyl limit on the drive > in some way. (remove the jumper and it sees ~20GB too.) > > Linux 2.4.3 recognizes the drives as ~20GB regardless of > the jumper. > > so, is this a bug or feature? is windows or linux not > working right here? what *should* be seen with the drive > jumpered such?
The jumper is to overcome a BIOS defect. The operating system should see the true size. In order to get Windows to see the true size you may need MaxBlast or similar boot manager stuff. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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