Re: Compact Flash performance...

[Mark Lord]

Daniel J Blueman wrote:
> I have a SanDisk Extreme IV 4GB CF card, capable of 40MB/s read, but
> am seeing 30MB/s read [1], connected directly to the IDE bus on my
> ICH8 controller.
>
> How can I find out if this would be a timing or configuration issue?
> On 2.6.20.5 [2], the 120nS timing looks to be right [3], but perhaps
> no multi-word transfer is hurting here...alas, it can't be enabled
> with the libata subsystem and 'hdparm -m', so what else?

Please post the output from "hdparm --Istdout /dev/sdb" for this card.

Thanks
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