Re: UDMA2 psuje DYSK

Autor: Witold Kopel (ficio_at_krakow.neurosoft.net)
Data: Fri 12 Feb 1999 - 12:09:53 MET


Krzysztof G. Baranowski wrote:
> * This is an empirical list. Its generated from bug reports. That
> * means while it reflects actual problem distributions it doesn't
> * answer whether the drive or the controller, or cabling, or
> * software, or some combination thereof is the fault. If you
> * don't happen to agree with the kernel's opinion of your drive
> * - use hdparm to turn DMA on.
> */
> const char *bad_dma_drives[] = {"WDC AC11000H",
> "WDC AC22100H",
> "WDC AC32500H",
> "WDC AC33100H",
> "WDC AC31600H",
> NULL};

I jeszcze :
http://www.wdc.com/support/FAQ/general.html question 23

> The following information identifies what Western Digital Caviar EIDE > hard drives support UDMA:
>
> Any drive less than 1.2 gigs does not support UDMA.
>
> If the size if the drive is between 1.2 and 4.2 gigs (inclusive), the > drive supports UDMA provided the CCC code located on the main label > of the drive is one of the following:
>
> A8 thru AG
> D5 thru D7
> Bx, Cx, or Kx (A CCC code beginning with a B, C, or K)
>
> If the size of the drive is 4.3 gigs or larger, the drive supports > UDMA.

Tyle
Ficio



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