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Internal hard drive running slower than USB 2.0

by onebigbandgeek / May 27, 2008 8:30 AM PDT


I have a dell Latitude laptop D810 with a 2.5" 60gig 7200 Hitachi Travelstar, IDE/ATA 100 hard drive.

I also have an external IDE/ATA hard drive connected via usb 2.0.

I downloaded Bart's Stuff Test, and ran the quick test and here are the numbers i came up with:



Write- 2MB
Read- 1.7MB


Read- 24.5 MB

Can someone explain why my internal hard drive is running so slow? I know reaching theoretical speed is not going to happen, but good lord...

I have about 1.4 free gigs on the internal and 14ish on the external, could this be the problem?



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Because it's full
by Dango517 / May 27, 2008 4:05 PM PDT

Move some of that stuff out of it and see what happens. I'm surprised you got that much in it. Happy Any warnings? Grin

This thread untracked.

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You're exactly right...the internal is virtually full.
by VAPCMD / May 27, 2008 9:12 PM PDT

Clear some space....backup as necessary and rerun the test.

Let us know.


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Not full anymore...
by onebigbandgeek / June 17, 2008 2:33 AM PDT

I have moved quite a bit off the drive and defragged. I now have 20gigs free.

The drive is still running really slow.

Under the device manager there are three entries:

Intel 82801FBM Ultra ATA Storage Controllers- 2653
Primary IDE Channel
Secondary IDE Channel

Under primary channel the option is set to DMA if available, but it is running in PIO mode.

Under Secondary IDE, the option is set for DMA and it is running ULTRA DMA MODE 2.

This is a laptop with just one hard drive in the bay. There are no cables, just the bay with the connector hard wired to the end of the bay.

The drive itself supports ULTRA DMA mode 5(ULTRA/ATA 100).

Something is wrong for it to be running at 2.1 MB/sec transfer rate.

Any suggestions?

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Sounds like USB 1.1 speed.
by R. Proffitt Forum moderator / June 17, 2008 2:48 AM PDT
In reply to: Not full anymore...

I can't tell much from your post. When I see this I change the USB cable to a shiny new USB 2.0 cable and disable the USB LEGACY MODE in the BIOS.

Another gimme me is Windows XP. It doesn't do USB 2.0 until more patches and even then we see it hiccup. I apply (again) the latest SP then fetch and install the latest motherboard drivers.

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its internal
by onebigbandgeek / June 17, 2008 3:23 AM PDT

I am talking about the internal drive not the external drive.

The external drive is running that OK speeds.

The internal(ATA 100) is the one that is really really slow.

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Then do the DMA flip. Link only.
by R. Proffitt Forum moderator / June 17, 2008 3:26 AM PDT
In reply to: its internal
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PS. In case you write...
by R. Proffitt Forum moderator / June 17, 2008 3:27 AM PDT

It shows as DMA. I will not respond. I know to set it to PIO, then save, exit and go back in to set it to DMA then save, exit. If you don't then we're done.

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