Re: cache size wrong on quantum disk in 2.0.30

Andrew J. Scott (A.J.Scott@casdn.neu.edu)
Wed, 9 Jul 1997 08:30:00 EDT


On 9 Jul 97 at 9:25, Keith Owens wrote:

> On Tue, 8 Jul 1997 08:06:59 PDT,
> "Marty Leisner" <leisner@sdsp.mc.xerox.com> wrote:
> >I recently got a quantum bigfoot 6.2 gig IDE disk...
> >
> >Booting, the information has (this is 2.0.30):
> >hda: QUANTUM BIGFOOT_CY6480A, 6204MB w/17152kB Cache, LBA, CHS=790/255/63
> >
> >Obviously, a 17 Mbyte cache is wrong...
>
> As a data point (which sounds a lot better than "me too" :), mine says
>
> PIIX3: bus-master IDE device on PCI bus 0 function 9
> ide0: BM-DMA at 0xe800-0xe807
> ide0 master/slave: sample_CLKs=3, recovery_CLKs=1
> master: fastDMA=yes PreFetch=on IORDY=on fastPIO=on
> slave : fastDMA=no PreFetch=off IORDY=off fastPIO=off
> hda: QUANTUM BIGFOOT_CY6480A, ATA DISK drive
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> hda: QUANTUM BIGFOOT_CY6480A, 6204MB w/67kB Cache, LBA, CHS=13446/15/63, DMA
>
> ASUS dual P166, IDE onboard, 2.1.44-pre3 SMP. 2.0.30 also reports 67kB
> cache. Could be your CHS mapping confusing the probe code.

Quantum's web page says, that drive has 128kB cache.

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