IDE drive faster than SATA Abit AT7 MAX2

  • Thread starter Thread starter Matti Luotola
  • Start date Start date
M

Matti Luotola

I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I´ve installed windows xp also on it but
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint´t 100% so CPU ain´t the bottleneck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can´t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?
 
Matti said:
I have a Seagate barracuda 7200.9 250GB drive which seems to be
awfully slow. Drive itself works ok. I´ve installed windows xp also
on it but its just damn slow. I tried uncompressing same image from
other drive which is Seagate 200GB ide. IDE drives unpacks it on 41s.
Sata drive unpacks in 3min 11sec so I think this is rather
significant difference.(CPU utilization aint´t 100% so CPU ain´t the
bottleneck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can´t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?
Click to expand...

You can't just mount a SATA drive and plug it in and have it work like the
IDE drives unless you have the drivers and MOBO setup. Your BIOS should see
SATA ports grayed out if not detecting a SATA drive. If you board is SATA
compatible then you should go to their site and read what you need to do and
what drivers need be installed. The driver maybe combined with or called a
RAID install application but you do not have to use RAID if you don't want
to. I finally got my system C: drive a WD Raptor 10,000 rpm and there is a
big difference.

Good luck.
 
Yes I´ve done exactly like Abit says. My motherboard detects hard
drive corretly and it works OK (I´ve installed windows xp there) but
its just slow. I have also newest drivers for hpt 374 chip. The chip
where the support for SATA and RAID is. I´m not using RAID.
 
Matti said:
Yes I´ve done exactly like Abit says. My motherboard detects hard
drive corretly and it works OK (I´ve installed windows xp there) but
its just slow. I have also newest drivers for hpt 374 chip. The chip
where the support for SATA and RAID is. I´m not using RAID.
Click to expand...

I would say to use the SW setup tool that came with Seagate drive or on
Website to make SATA drive into system drive from existing IDE system drive
by making a copy and not just install windows on that drive. That is what I
eventually ended up doing. The System drive was then drive D: or something
whenever I booted after that but I got it changed to C: somewhere along the
line.
 
"Matti said:
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I=B4ve installed windows xp also on it but
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint=B4t 100% so CPU ain=B4t the bottleneck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can=B4t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?
Click to expand...

If CRC errors or communications problems are detected with a
disk drive, Windows can reduce the communications rate, in an
attempt to fix it. See the "Workaround" section of this page:

http://support.microsoft.com/default.aspx?scid=kb;en-us;817472

It looks like you are in an ATA66 mode, judging by your burst speed.

Sometimes this is caused by a loose SATA cable. The latest
motherboard connectors have a retention feature, that if you
use a SATA cable with the latch on the end, it helps prevent
the SATA cable from falling off. The new cable will still plug
into an old motherboard, but if the latch on the new cable has
no place to grip, the new cable will not be retained any better
than an old cable.

HTH,
Paul
 
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I´ve installed windows xp also on it but
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint´t 100% so CPU ain´t the bottleneck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can´t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?
Click to expand...


According to what you have supplied, your drive is not slow,
it's fine. Did you expect it to be faster than IDE? It
wouldnt' be, it's essentially the same drive technology.
What you may be noticing is that because you have the drive
on a discrete SATA controller (the Highpoint 374), on the
PCI bus, the PCI bus is where you have the small penalty.
Likewise if you had a board with southbridge-integral SATA
and installed a PCI IDE controller card so the two drives
were in opposing logical positions, you'd then likely find
the IDE drive had suffered similar penalty.

PCI add-on cards are best used for devices that don't need
ultimate performance. Backup storage, or for controllers
that support it (ATAPI), optical drives.
 
Well I didn´t expect it to be rocket fuel but I didn´t expect it to
be 5 times slower than IDE too. Like that unpacking .. I think thats
pretty slow and I don´t think that should be so. And what Paul replied
I think this one is running like ATA66 or so.
 
And btw this motherboard has southbridge-integral SATA.. this is no PCI
addon card
 
Matti said:
Well I didn´t expect it to be rocket fuel but I didn´t expect it to
be 5 times slower than IDE too. Like that unpacking .. I think thats
pretty slow and I don´t think that should be so. And what Paul replied
I think this one is running like ATA66 or so.
Click to expand...

What is 'it'? What unpacking? What Paul? Your article is
meaningless without context. Even on the broken google interface
to usenet, you can follow normal practice. See my sig below, and
especially read the referenced URLs.

--
"If you want to post a followup via groups.google.com, don't use
the broken "Reply" link at the bottom of the article. Click on
"show options" at the top of the article, then click on the
"Reply" at the bottom of the article headers." - Keith Thompson
More details at: <http://cfaj.freeshell.org/google/>
Also see <http://www.safalra.com/special/googlegroupsreply/>
 
Well I didn´t expect it to be rocket fuel but I didn´t expect it to
be 5 times slower than IDE too. Like that unpacking .. I think thats
pretty slow and I don´t think that should be so. And what Paul replied
I think this one is running like ATA66 or so.
Click to expand...


According to the info you provided, the benchmark, it isn't
5 times slower. Perhaps you need a different benchmark that
accentuates the problem.
 
I was talking about this unpacking:
I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint´t 100% so CPU ain´t the bottleneck)
Click to expand...


CBFalconer kirjoitti:
 
Um.. My motherboard have Integrated highpoint 374 chip which gives me
support for SATA drives?? Or am I completely misunderstanding
something??

-Matti


kony kirjoitti:
 
Um.. My motherboard have Integrated highpoint 374 chip which gives me
support for SATA drives?? Or am I completely misunderstanding
something??
Click to expand...


That is not southbridge integral SATA then, the highpoint
chip is the SATA, not the southbridge, and it is on the PCI
bus. That is, assuming you mean the Highpoint controller is
for SATA, not PATA.
 
Thanks for the tip Paul but it didn´t help. So I think it won´t be
slow becouse of CRC errors. Any other suggestions?

-Matti
"Matti said:
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I=B4ve installed windows xp also on it but
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint=B4t 100% so CPU ain=B4t the bottleneck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can=B4t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?
Click to expand...

If CRC errors or communications problems are detected with a
disk drive, Windows can reduce the communications rate, in an
attempt to fix it. See the "Workaround" section of this page:

http://support.microsoft.com/default.aspx?scid=kb;en-us;817472

It looks like you are in an ATA66 mode, judging by your burst speed.

Sometimes this is caused by a loose SATA cable. The latest
motherboard connectors have a retention feature, that if you
use a SATA cable with the latch on the end, it helps prevent
the SATA cable from falling off. The new cable will still plug
into an old motherboard, but if the latch on the new cable has
no place to grip, the new cable will not be retained any better
than an old cable.

HTH,
Paul
Click to expand...
 
"Matti said:
Thanks for the tip Paul but it didn=B4t help. So I think it won=B4t be
slow becouse of CRC errors. Any other suggestions?

-Matti
Click to expand...

Your burst score of 66.7MB/sec tells me the hardware is
set to ATA66 rate. You can actually get a tool from the disk
manufacturer, and permanently force the drive to operate
at a slower rate (so the problem can be a setting of the
drive hardware itself).

The problem can also be the setting of the controller
on the motherboard. You need to find a utility that can
display the current mode the hardware is in. Perhaps
Sisoftware Sandra or Lavalys Everest (Home Edition discontinued,
but can still be found for download).

"EVEREST Free Edition 2.20"
http://www.majorgeeks.com/download.php?det=4181

Paul
"Matti said:
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I=3DB4ve installed windows xp also on it b= ut
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint=3DB4t 100% so CPU ain=3DB4t the bottle= neck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can=3DB4t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?
Click to expand...

If CRC errors or communications problems are detected with a
disk drive, Windows can reduce the communications rate, in an
attempt to fix it. See the "Workaround" section of this page:

http://support.microsoft.com/default.aspx?scid=3Dkb;en-us;817472

It looks like you are in an ATA66 mode, judging by your burst speed.

Sometimes this is caused by a loose SATA cable. The latest
motherboard connectors have a retention feature, that if you
use a SATA cable with the latch on the end, it helps prevent
the SATA cable from falling off. The new cable will still plug
into an old motherboard, but if the latch on the new cable has
no place to grip, the new cable will not be retained any better
than an old cable.
=20
HTH,
Paul
Click to expand...
Click to expand...
 
Your burst score of 66.7MB/sec tells me the hardware is
set to ATA66 rate. You can actually get a tool from the disk
manufacturer, and permanently force the drive to operate
at a slower rate (so the problem can be a setting of the
drive hardware itself).
Click to expand...

I would wonder if that's just coincidental, seldom if ever
does a drive actually burst at 100% of it's theoretical
value. Usually an ATA66 burst rate is below 64MB/s.
 
Hi.

Tried both tools. Everest tells me:
Max. UDMA Transfer Mode UDMA 5 (ATA-100)
Active UDMA Transfer Mode UDMA 5 (ATA-100)
So it should be OK.

When running Sandra 2005 File System Benchmark for that drive whole
program crashes.. "Not responding" after 15min or so.. ?? So something
strange there seems to be..
What is that tool by which I can change those operating speeds?

-Matti
"Matti said:
Thanks for the tip Paul but it didn=B4t help. So I think it won=B4t be
slow becouse of CRC errors. Any other suggestions?

-Matti
Click to expand...

Your burst score of 66.7MB/sec tells me the hardware is
set to ATA66 rate. You can actually get a tool from the disk
manufacturer, and permanently force the drive to operate
at a slower rate (so the problem can be a setting of the
drive hardware itself).

The problem can also be the setting of the controller
on the motherboard. You need to find a utility that can
display the current mode the hardware is in. Perhaps
Sisoftware Sandra or Lavalys Everest (Home Edition discontinued,
but can still be found for download).

"EVEREST Free Edition 2.20"
http://www.majorgeeks.com/download.php?det=4181

Paul
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I=3DB4ve installed windows xp also on it b= ut
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint=3DB4t 100% so CPU ain=3DB4t the bottle= neck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can=3DB4t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?

If CRC errors or communications problems are detected with a
disk drive, Windows can reduce the communications rate, in an
attempt to fix it. See the "Workaround" section of this page:

http://support.microsoft.com/default.aspx?scid=3Dkb;en-us;817472

It looks like you are in an ATA66 mode, judging by your burst speed.

Sometimes this is caused by a loose SATA cable. The latest
motherboard connectors have a retention feature, that if you
use a SATA cable with the latch on the end, it helps prevent
the SATA cable from falling off. The new cable will still plug
into an old motherboard, but if the latch on the new cable has
no place to grip, the new cable will not be retained any better
than an old cable.
=20
HTH,
Paul
Click to expand...
Click to expand...
Click to expand...
 
"Matti said:
Hi.

Tried both tools. Everest tells me:
Max. UDMA Transfer Mode UDMA 5 (ATA-100)
Active UDMA Transfer Mode UDMA 5 (ATA-100)
So it should be OK.

When running Sandra 2005 File System Benchmark for that drive whole
program crashes.. "Not responding" after 15min or so.. ?? So something
strange there seems to be..
What is that tool by which I can change those operating speeds?

-Matti
Click to expand...

On this page:
http://www.seagate.com/support/disc/utils.html

I see this tool:
http://www.seagate.com/support/disc/download/uata100d.exe

There is also "Feature Tool (v2.00)" on this page, which
may or may not work on other brands of drives:

http://www.hitachigst.com/hdd/support/download.htm

Paul
"Matti said:
Thanks for the tip Paul but it didn=B4t help. So I think it won=B4t be
slow becouse of CRC errors. Any other suggestions?

-Matti
Click to expand...

Your burst score of 66.7MB/sec tells me the hardware is
set to ATA66 rate. You can actually get a tool from the disk
manufacturer, and permanently force the drive to operate
at a slower rate (so the problem can be a setting of the
drive hardware itself).

The problem can also be the setting of the controller
on the motherboard. You need to find a utility that can
display the current mode the hardware is in. Perhaps
Sisoftware Sandra or Lavalys Everest (Home Edition discontinued,
but can still be found for download).

"EVEREST Free Edition 2.20"
http://www.majorgeeks.com/download.php?det=4181

Paul
Paul wrote:
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I=3DB4ve installed windows xp also on it b=
ut
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint=3DB4t 100% so CPU ain=3DB4t the bottle=
neck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can=3DB4t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?

If CRC errors or communications problems are detected with a
disk drive, Windows can reduce the communications rate, in an
attempt to fix it. See the "Workaround" section of this page:

http://support.microsoft.com/default.aspx?scid=3Dkb;en-us;817472

It looks like you are in an ATA66 mode, judging by your burst speed.

Sometimes this is caused by a loose SATA cable. The latest
motherboard connectors have a retention feature, that if you
use a SATA cable with the latch on the end, it helps prevent
the SATA cable from falling off. The new cable will still plug
into an old motherboard, but if the latch on the new cable has
no place to grip, the new cable will not be retained any better
than an old cable.
=20
HTH,
Paul
Click to expand...
Click to expand...
Click to expand...
Click to expand...
Click to expand...
Click to expand...
 
Arrgh.

This utility only detects my IDE drive. I think becouse of that hpt
chip which controls the sata and its detects sata drive after bios
boot. In my machine first bios boots and after that hpt.Now when I put
bootable floppy: bios boots and after that is just boot from the floppy
so its never gets to hpt bios which detects my sata drive.

-Matti
"Matti said:
Hi.

Tried both tools. Everest tells me:
Max. UDMA Transfer Mode UDMA 5 (ATA-100)
Active UDMA Transfer Mode UDMA 5 (ATA-100)
So it should be OK.

When running Sandra 2005 File System Benchmark for that drive whole
program crashes.. "Not responding" after 15min or so.. ?? So something
strange there seems to be..
What is that tool by which I can change those operating speeds?

-Matti
Click to expand...

On this page:
http://www.seagate.com/support/disc/utils.html

I see this tool:
http://www.seagate.com/support/disc/download/uata100d.exe

There is also "Feature Tool (v2.00)" on this page, which
may or may not work on other brands of drives:

http://www.hitachigst.com/hdd/support/download.htm

Paul
Thanks for the tip Paul but it didn=B4t help. So I think it won=B4t be
slow becouse of CRC errors. Any other suggestions?

-Matti

Your burst score of 66.7MB/sec tells me the hardware is
set to ATA66 rate. You can actually get a tool from the disk
manufacturer, and permanently force the drive to operate
at a slower rate (so the problem can be a setting of the
drive hardware itself).

The problem can also be the setting of the controller
on the motherboard. You need to find a utility that can
display the current mode the hardware is in. Perhaps
Sisoftware Sandra or Lavalys Everest (Home Edition discontinued,
but can still be found for download).

"EVEREST Free Edition 2.20"
http://www.majorgeeks.com/download.php?det=4181

Paul


Paul wrote:
I have a Seagate barracuda 7200.9 250GB drive which seems to be awfully
slow. Drive itself works ok. I=3DB4ve installed windows xp also on it b=
ut
its just damn slow. I tried uncompressing same image from other drive
which is Seagate 200GB ide. IDE drives unpacks it on 41s. Sata drive
unpacks in 3min 11sec so I think this is rather significant
difference.(CPU utilization aint=3DB4t 100% so CPU ain=3DB4t the bottle=
neck)

I have latest hpt 374 drivers (3.04) installed, tried raising the PCI
latency timer and also tried both of my sata ports on motherboard. I
have no option to anable write caching from device manager which is on
some hard drives so I can=3DB4t try it. Also tried SeaTools (tools from
seagate) and it also sayed that everything is ok but nothing seems to
help to slow speed.
Scores I got from HD TACH:

Seagate 250GB SATA

Burst Speed 66.7 MB/s
Random Access 15.5 ms
CPU Utilization 5% [+/- 2%]
Average Read 55.7 MB/s

My 200GB ide drive gives much better burst speed:

Burst Speed 93.8 MB/s
Random Access 15.6 ms
CPU Utilization 5% [+/- 2%]
Average Read 53.1 MB/s

So is there some option to turn on dma access to SATA drives or
something.. Becouse this thing looks like its working without it or
what could I try?

If CRC errors or communications problems are detected with a
disk drive, Windows can reduce the communications rate, in an
attempt to fix it. See the "Workaround" section of this page:

http://support.microsoft.com/default.aspx?scid=3Dkb;en-us;817472

It looks like you are in an ATA66 mode, judging by your burst speed.

Sometimes this is caused by a loose SATA cable. The latest
motherboard connectors have a retention feature, that if you
use a SATA cable with the latch on the end, it helps prevent
the SATA cable from falling off. The new cable will still plug
into an old motherboard, but if the latch on the new cable has
no place to grip, the new cable will not be retained any better
than an old cable.
=20
HTH,
Paul
Click to expand...
Click to expand...
Click to expand...
Click to expand...
Click to expand...
 
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