Solved: New Hard Disk running extremely slow

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raisinbeep

Thread Starter
Joined
Feb 8, 2007
Messages
2
I have a Dell Dimension 2400 that is a couple of years old. It came with a 120Gb had drive installed. I recently bought a Maxtor 250 Gb drive to add as a data disk. I bought a new ribbon cable and have installed the new drive. WinXP can see it and I can read/write to it - all the data is fine and usable but...the transfer rate is extremely slow and causes my mouse pointer to freeze up and the system to slow right down whenever the new drive is accessed.

I used HDTune 2.51 and on the old drive I get an average transfer rate of 44.5MB/sec. With the new drive I get an average of just 2.2MB/sec !!

Here is what HDTune said about the old drive:
HD Tune: WDC WD1200JB-75FUA0 Benchmark

Transfer Rate Minimum : 18.2 MB/sec
Transfer Rate Maximum : 54.1 MB/sec
Transfer Rate Average : 44.5 MB/sec
Access Time : 20.5 ms
Burst Rate : 66.8 MB/sec
CPU Usage : 9.6%

And here is the new drive:
HD Tune: Maxtor 5A250J0 Benchmark

Transfer Rate Minimum : 1.9 MB/sec
Transfer Rate Maximum : 2.2 MB/sec
Transfer Rate Average : 2.2 MB/sec
Access Time : 16.3 ms
Burst Rate : 2.2 MB/sec
CPU Usage : 94.9%

HD Tune: Maxtor 5A250J0 Information

Firmware version : RAMB1TU0
Serial number : A80MCN2E
Capacity : 233.8 GB (~251.0 GB)
Buffer size : 2048 KB
Standard : ATA/ATAPI-7
Supported mode : UDMA Mode 6 (Ultra ATA/133)
Current mode : UDMA Mode 7 (Ultra ATA/512)

S.M.A.R.T : yes
48-bit Address : yes
Read Look-Ahead : yes
Write Cache : yes
Host Protected Area : yes
Device Configuration Overlay : yes
Automatic Acoustic Management: yes
Power Management : yes
Advanced Power Management : yes
Power-up in Standby : no
Security Mode : no
Firmware Upgradable : yes

Partition : 1
Drive letter : J:\
Label : Data1
Capacity : 239366 MB
Usage : 24.54%
Type : NTFS
Bootable : No

HD Tune: Maxtor 5A250J0 Health

ID Current Worst ThresholdData Status
(03) Spin Up Time 252 252 63 3448 Ok
(04) Start/Stop Count 253 253 0 17 Ok
(05) Reallocated Sector Count 253 253 63 0 Ok
(06) Read Channel Margin 253 253 100 0 Ok
(07) Seek Error Rate 253 252 0 0 Ok
(08) Seek Time Performance 252 245 187 41685 Ok
(09) Power On Hours Count 195 195 0 36229 Ok
(0A) Spin Retry Count 252 252 157 0 Ok
(0B) Calibration Retry Count 253 252 223 0 Ok
(0C) Power Cycle Count 253 253 0 37 Ok
(C0) Power Off Retract Count 253 253 0 0 Ok
(C1) Load Cycle Count 253 253 0 0 Ok
(C2) Temperature 253 253 0 34 Ok
(C3) Hardware ECC Recovered 253 252 0 36092 Ok
(C4) Reallocated Event Count 253 253 0 0 Ok
(C5) Current Pending Sector 253 253 0 0 Ok
(C6) Offline Uncorrectable 253 253 0 0 Ok
(C7) Ultra DMA CRC Error Count 199 199 0 0 Ok
(C8) Write Error Rate 253 252 0 0 Ok
(C9) (unknown attribute) 253 208 0 275 Ok
(CA) (unknown attribute) 253 252 0 0 Ok
(CB) (unknown attribute) 253 252 180 1 Ok
(CC) (unknown attribute) 253 252 0 0 Ok
(CD) (unknown attribute) 253 252 0 0 Ok
(CF) (unknown attribute) 252 252 0 0 Ok
(D0) (unknown attribute) 252 252 0 0 Ok
(D1) (unknown attribute) 253 253 0 0 Ok
(63) (unknown attribute) 253 253 0 0 Ok
(64) (unknown attribute) 253 253 0 0 Ok
(65) (unknown attribute) 253 253 0 0 Ok

Power On Time : 36229
Health Status : Ok


Can anyone through any light on this? Is this just a horribly slow drive or is something wrong with it? Or do I have some settings wrong somewhere?

Many thanks,

James.
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,425
I find it interesting that it's supported mode is UDMA6, and it claims it's running at UDMA7. I'm guessing from the speeds that it's actually running in PIO mode. I suggest taking a look at DMA reverts to PIO
 

raisinbeep

Thread Starter
Joined
Feb 8, 2007
Messages
2
Excellent - I checked my BIOS setting and DMA was disabled for the second drive. I enabled it, re-booted and the drive is now behaving as it should.

Thanks so much - I've been stuck with this for ages!(y)
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,425
Glad we could help. :)

You can mark your own threads solved using the thread tools at the upper right of the screen.© :)
 
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