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Re: ATA (CF card) feature detection
On Thu, Feb 02, 2012 at 12:45:55PM +0100, Matthias Drochner wrote:
> While we are here - there is something strange with the
> detection of UDMA modes. While a dirt cheap CF card
> gets UDMA5 detected:
> wd1: <ELITE PRO CF CARD 4GB>
> wd1: drive supports 1-sector PIO transfers, LBA addressing
> wd1: 3823 MB, 7769 cyl, 16 head, 63 sec, 512 bytes/sect x 7831152 sectors
> wd1: drive supports PIO mode 4, Ultra-DMA mode 5 (Ultra/100)
> a $100 one labeled "60 MB/s UDMA" stays in PIO mode:
> wd1: <SanDisk SDCFX-032G>
> wd1: drive supports 1-sector PIO transfers, LBA48 addressing
> wd1: 30533 MB, 62037 cyl, 16 head, 63 sec, 512 bytes/sect x 62533296 sectors
> wd1: drive supports PIO mode 4
> Are there any CFA specifics which our driver doesn't know?
AFAIK CFA don't have specific registers or attributes.
It looks like it doesn't report any DMA mode.
What does atactl identify say about it ?
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
NetBSD: 26 ans d'experience feront toujours la difference
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