Re: A8N-E SATA speed

On 10/28/07 08:15 am Ed wrote:

I have an A8N-E motherboard with the latest BIOS (1013, IIRC); it claims to have onboard SATA capable of 3.0GB/sec. I recently added a Seagate SATA drive that also claims to be capable of 3.0GB/sec., but in WinXP+SP2 Hardware Manager the only available transfer modes are 1.5G and PIO.

I installed the latest nForce drivers from the nVidia Web site, but there has been no change in the displayed transfer speed options. When I run the speed test, the sustained speed is little higher than that of an old ATA100 drive in the same machine.

Why no 3.0GB/sec?


I'm running the same thing here, with two Seagate 3GB/s.

In Device Manager/Nvidia Nforce4 Serial ATA Controller it shows both my
drives (under primary and secondary) as Serial ATA Generation 2 - 3G.

Hmmmm... I don't rem having to change anything in the BIOS, but did you
remove the *very* tiny (1.5GB compatible) jumper on the drive? , it's
really small!

FWIW, I'm running the 1008 bios and nforce v6.86 driver.

Yes, after I posted here I found the reference to the speed-limiting jumper. Removing it has increased the burst speed considerably but (for the reason Roger Hamlett stated) hasn't made much difference to the sustained speed.

Thanks.

Perce
.

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