Re: why my SATA disk so slow?

Gary,
Thanks for your advice
I went to my main board's website and download the latest driver and
re-installed again.
It had some improvement and the speed now up to 40M B/s (but still blow the
PATA's 50M B/s). I thought it should be at least somewhere near 100M B/s (
with the standard SATA I speed as 1.5G bps). Is it normal for a SATA I disk
to have only around 40-50M B/s ?

In updating my drivers, I had to install the RAID driver also ( though my
setting in the BIOS was only as IDE disk drive, NOT RAID). Does it related
to RAID setting in order to get the transfer rate improve?

I also checked the disk type under the Device Manager of My Computer's
System Property, it report my SATA disk as SCSI Disk device ! Is it OK? Why
a SATA disk was recognized as a SCSI disk?

Thanks
"Gary Chanson" <gchanson@xxxxxxxxxxxxxxxx> wrote in message
news:OS1HoNajGHA.4056@xxxxxxxxxxxxxxxxxxxxxxx

"Surfer" <ybcip@xxxxxxxxxxx> wrote in message
news:u9ochqWjGHA.1508@xxxxxxxxxxxxxxxxxxxxxxx
My SATA has only ~ 5M/s transfer rate. (whereas my old ATA disk has
50M/s).
same transfer rate for channel 2 and 3!
I thought even for SATA 1, the transfer rate should be 1.5G bps (SATA2:
3G
bps)
(My SATA disk is Seagate 250G 8M buffer).
Anything wrong?

Any program to test it with more objective result?

Probably a bad device driver...

--

- Gary Chanson (Windows SDK MVP)
- Abolish Public Schools




.

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