Re: Sata drive showing up as DMA 5 mode?

Previously ephedralover@xxxxxxxxxxx wrote:
On Mar 9, 4:46 pm, Arno Wagner <m...@xxxxxxxxxxx> wrote:
Previously ephedralo...@xxxxxxxxxxx wrote:
Installed a Sata II drive and under hardware management it shows up as
Primary IDE Channel - DMA Mode 5. In the Bios I have SATA enabled and
when I look at the specs of the drive in the bios it shows SATA II
3.0, etc. Any ideas? Thanks.

Is there some problem? Or do you just want the right
thing displayed?

Arno

Sorry, I forgot to mention the drive is performing slower than the
Pata drives. Benchmarking comes in at about 20% slower.

Might just be a slower drive. SATA does not need to be faster
than UDMA, since the bottleneck is not the interface, but
the drive itself. Anyways, an SATA interface cannot operate
in UDMA mode, this is a display bug or software old enough not
to recognize SATA.

There is one possibility for the slower speed, though:
If the SATA controller is connected via the PCI bus, but the
PATA drives are connected directly to the chipset internal bus,
that may cause some slowdown, since a slower PCI implementation
may start to be a problem around 70-80MB/s or so.

Arno
.

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