On Thu, Jul 30, 2009 at 11:25:23AM +0000, Stuart Henderson wrote:
> 
> > I suppose you use an CF-card with about x133 speed. I had the same problem.
> > After using a card with at least x233 speed I didn't have that problem when
> > untaring anymore.
> 
> The speed rating by itself isn't very useful. The random-access write
> speed has the biggest effect when used on a computer and since it is
> hardly relevant to use with a camera, doesn't usually get mentioned.
> In particular look for cards which do multisector transfers (i.e.
> they /don't/ say "1-sector PIO" in the attach line in dmesg), e.g.
> almost all recent sandisk, some innodisk cards, and not many others.

I'm using a 2 GB Transcend x300 which says

# dmesg | grep wd0
wd0 at pciide0 channel 0 drive 0: <TRANSCEND>
wd0: 1-sector PIO, LBA, 1943MB, 3980592 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 2

The speed is absolutely OK and sufficient -- no stalling and nothing that
slows anything down.

> Also on the Alix systems note that there's a UDMA option you can
> enable in tinyBIOS that defaults to Off.

Didn't know that. Thanks for the hint :)

-- 
t.walkow...@wallstreet-online.de

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