On Sat, 26 Jun 1999, Gary Tsai wrote:
> I was looking at an Asus P2B-F motherboard (replaces the P2B) and it doesn't
> have ultra 66 ide support, but a package I found: hard drive (Western
> Digital 18GB 7200 RPM) and its controller (Promise ultra 66 PCI card) can
> give it the 66 support via a PCI slot. does anybody know if RH 6 will
> recognize this setup just as it recognizes the Ultra 33 onboard on most
> modern boards? thanks
[Ah, for once a "linux" question that is actually a linux question
and not a Redhat question!]
Gary, this has nothing to do with Redhat, how your hard drives
work is governed by the kernel ("linux" proper). I don't know if ultra66
support is in the kernel, but it doesn't matter: the hardware will
certainly be a valid ultra33 controller and device, and it will simply
fall back to that.
Ultra66 support is unimportant under linux, since you can't
saturate the ultra33 bus with any single IDE hard drive, and IDE only
supports one drive access at a time. People with drives fast enough to get
close to saturating ultra33 are running scsi anyways.
-Alex Winbow
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