On my abit bp6 overclocked at 550, I get great performance from my ibm
deskstars using the udma 33 controller and using the NJ bios I do not
get any apic errors. In fact the only problem that I have with my bp6 is
crashing windows sometimes when I play games. Linux however is rock
solid with mandrake 6.1, 7.0 and now 7.1 and redhat 6.1 and 6.2. In fact
the ide controller is faster than my my narrow scsi by considerable
margin running fea software that requires a lot of i/o.
Tom Berkley
Mark Hahn wrote:
>
> > supported and should work fine with Linux, esp. if you stay away
> > from the IDE controllers.
>
> I don't agree. the PIIX controller works *perfectly*
> and the HPT366 seems to do OK with modern kernels (ie pre-2.4,
> not 2.2 crap). I recently tested a maxtor dm40+: it delivered
> around 28 MB/s on a PIIX udma33 channel, and >32 MB/s on a
> HPT366 udma66 channel. very impressive.
>
> otoh, all bp6's seem prone to APIC errors under load.
> running noapic is a simple workaround and doesn't seem to have
> any perceptible effect on usability. (ie, handling all interrupts
> on one CPU is sometimes a blessing, but could result in overall
> lower performance or higher latency when you're blasting interrupts
> at it on multiple irq's...)
>
> I haven't tried the new RR bios to see whether it alleviates
> APIC problems. QQ doesn't.
>
> regards, mark hahn.
>
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