Re: New HD - XP refuses to recognise UDMA, dma 2 only

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Thanks for the prompt reply!

Well, I figured something similar, and I downloaded those drivers the
other day but it didn't seem to help. I just tried something to see
what would happen - I removed the primary and secondary channels in
device manager as well as the ide controller. I then shut the computer
down, and cleared the cmos. I figured this should clear the bios and
windows of hardware info, and start everything fresh. Well, I
reconfigured my bios, reloaded windows, and winxp reloaded all the
hardware and my SiS drivers. I tried loading them manually, but
windows says the current driver are already updated. Now after loading
this hardware win xp wanted to restart. Before that, I took a peek at
the devices on the channels. For the primary channel with my boot
drive it noted DMA enabled, but did not list a current transfer mode
and showed "Not Applicable". But for my 250 gb drive it showed
"Multi-word DMA-2"! As always. It's as though it is hard wired in,
simply bizarre.

I did try the drive on another (older) system, but it was using win
2000. It showed the transfer mode for both the boot drive and my
drive as "Udma Mode". No listing of UDMA type. The mobo probably only
supported UDMA-66 anyways. Not sure what to make of this.

BTW, my IDE drive version is:

5.1.1039.2041

The one from that package. The drivers for the primary and secondary
channels are from microsoft \system32, version:
date: 01/07/2001
ver:5.1.2600.2180

I'm assuming that this is for the channels themselves.

My next step is that I'm installing winxp temporarily on the new drive.
I will remove my current boot drive and set up the 250 gb as the
master. Then I will install WinXP (with SP2) and see if the drive is
recognised as UDMA-5 or 6. If it still says DMA-2, I plan to return
the drive. Might just be my hardware, but I'm not taking any chances.
Besides, the drive is supposed to be "whisper quiet", but when under
heavy use makes a racket compared to my older 20 gb. Probably nothing,
but better safe than sorry.

What do you think?

Robert Gault wrote:
My guess is that you have not installed the needed SiS drivers that
permit the motherboard to talk to the WinXP software. You could try
File Name ide204a.zip
Version v2.04a
Release Date 2003-11-18
Support Products
SiS964L, SiS964, SiS963L, SiS963, SiS962L, SiS962, SiS961, SiS630ST,
SiS730SE, SiS540, SiS730S, SiS735, SiS630, SiS630E, SiS630ET, SiS630S,
SiS635,
File Size 5,432KB
Support OS Windows 95, Windows ME, Windows 98, Windows 98 SE, Windows
2000, Windows XP

The above is available from the SiS download web page.

With the BIOS reporting UDMA6, the drive is set for that. If WinXP can't
see that, WinXP needs help talking to the BIOS/motherboard. My guess is
the ide driver is missing but you can check to make sure the other
drivers are up to date.

.

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