XP sees IDE drives as UDMA2 - BIOS reports UDMA5

[Maintane]

80g WD master and 80 g Maxtor slave (in ata 100 compatible removable tray)
on Intel 850e MB. Plextor CD r/w and Pioneer DVD r/w on secondary (both at
UDMA2), As stated, BIOS correctly reports both drives as UDMA 5 and see the
80 conductor cable. I have removed the Maxtor slave to see if that would do
it...no dice. Removed and reinstalled IDE controller drivers...no dice. I
tried to Ghost my primary boot disk to a 2nd WD 80g (in tray) and it said
13+ hrs remaining. This same set up used to complete in like 40 mins.

HELP!!!!!!!!!!!!!!!!!! I've run out of ideas.

Thanks,

Mike

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[Shep©]

80g WD master and 80 g Maxtor slave (in ata 100 compatible removable tray)
on Intel 850e MB. Plextor CD r/w and Pioneer DVD r/w on secondary (both at
UDMA2), As stated, BIOS correctly reports both drives as UDMA 5 and see the
80 conductor cable. I have removed the Maxtor slave to see if that would do
it...no dice. Removed and reinstalled IDE controller drivers...no dice. I
tried to Ghost my primary boot disk to a 2nd WD 80g (in tray) and it said
13+ hrs remaining. This same set up used to complete in like 40 mins.

HELP!!!!!!!!!!!!!!!!!! I've run out of ideas.

Thanks,

Mike

http://www.google.com/search?hl=en&q=enable+dma+winxp

HTH



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[Maintane]

http://www.google.com/search?hl=en&q=enable+dma+winxp

HTH

Had already Googled and tried the registry hacks and everything else I could
find; changed BIOS setting "PnP OS" from yes to no, hoping XP would read the
BIOS UDMA5 setting. The advanced tab is not there in the properties tab for
the IDE controller. Surely someone has encountered this before?

Mike

 

[JAD]

what's the speed difference between 2 and 5?


(in ata 100 compatible removable tray)

compatible with ALL motherboards and ALL OS's?

 

[Maintane]

what's the speed difference between 2 and 5?

Theoretical:
UDMA-2 = 33.3 MB/s transfer rate
UDMA-5 = 100 MB/s transfer rate

real world:
BIG difference

(in ata 100 compatible removable tray)

compatible with ALL motherboards and ALL OS's?

Yes, and it was working at one point...even with the tray system removed I
have the trbl

 

[JAD]

Theoretical:
UDMA-2 = 33.3 MB/s transfer rate
UDMA-5 = 100 MB/s transfer rate

real world:
BIG difference

Don't you mean
Benchmark World Big difference?

So this was a working combo at one time(or at least was showing the
same setting in windows and Bios)?

XP SP2?

 

[Maintane]

Don't you mean
Benchmark World Big difference?

So this was a working combo at one time(or at least was showing the
same setting in windows and Bios)?

XP SP2?

No, I mean to me it seems dog slow compared to when it was set to DMA5.
Video freezes (momentarily), paging ragidly through pictures freezes...it
doesn't seem to have ever done that before. It's been stuck this way fro
about 6 months, I just try to resolve it periodically. I have a week off and
intend to spend more time on it.

....and yes, it is XP SP2. I might add that my two drives (120g and 160g) on
my Promise controller are running at ata-100.

 

[JS]

Intel 850e MB

Does this MB need the 'Intel Application Accelerator' software?
Check Intel's website. Look for the installation sequence instructions as
well as the software itself. The 'Intel Application Accelerator' software
is very installation order dependant.

 

[Spajky]

Theoretical:
UDMA-2 = 33.3 MB/s transfer rate
UDMA-5 = 100 MB/s transfer rate

real world:
BIG difference

IMHO not true; the difference is not noticable (few %)
with same drive! & same MoBo/chipset/controller drivers
the slowest part is Mecchanics in HD !
bench once with 40 & once with 80-conductor cable by using this:
http://users.volja.net/jerman55/SiSoftSandraMin.zip /stripped/
[DL (459kb), unpack + import *.reg key & start sandra.exe
doubleclikcing it/Drives bench] for direct comparision in real life;
tell me the result ... /drive index/ between 2 cables connected ..
/you can check also my result for my 3y old drive on my site under
comp/bench..../

 

[Shep©]

Don't you mean
Benchmark World Big difference?

Nope.It's a big difference in this case.It's almost as bad as being on
Msdos compatibility mode :O
Also I would suspect that if the drives are not being seen correctly
they may NOT be using DMA mode.



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[Shep©]

Had already Googled and tried the registry hacks and everything else I could
find; changed BIOS setting "PnP OS" from yes to no, hoping XP would read the
BIOS UDMA5 setting. The advanced tab is not there in the properties tab for
the IDE controller. Surely someone has encountered this before?

Mike

Have you installed/updated your mother board drivers?



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http://www.geocities.com/sheppola/trouble.html
remove obvious to reply
email (e-mail address removed)
Free original songs to download and,"BURN" :O)
http://www.soundclick.com/bands/8/nomessiahsmusic.htm

 

[Maintane]

Updated BIOS, new MB drivers, new version Intel Appl Accelerator...

Worked most of day yesterday and abt 4 hrs today moving drives around,
different cables, etc. Finally moved slave to Promise controller with 120
and 160 drives, so that at least it is faster now. System drive C: is the
only one now running UDMA2...sucks, but guess I'm gonna have to live with
it. Durn near got desperate enough to format and start over, but I have too
many apps, most of which I've customized settings,

Thanks,
Mike

 

[Shep©]

Updated BIOS, new MB drivers, new version Intel Appl Accelerator...

Worked most of day yesterday and abt 4 hrs today moving drives around,
different cables, etc. Finally moved slave to Promise controller with 120
and 160 drives, so that at least it is faster now. System drive C: is the
only one now running UDMA2...sucks, but guess I'm gonna have to live with
it. Durn near got desperate enough to format and start over, but I have too
many apps, most of which I've customized settings,

Thanks,
Mike

Bad news if it's your system drive as that's the most important one :/
I suspect some conflict with the,"Promise" controller?
check their web site and any ,"Promise" forums.



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Free Windows/PC help,
http://www.geocities.com/sheppola/trouble.html
remove obvious to reply
email (e-mail address removed)
Free original songs to download and,"BURN" :O)
http://www.soundclick.com/bands/8/nomessiahsmusic.htm