Re: Should have UDMA 5, but can only get PIO

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From: Carey Frisch [MVP] (mrxp2004_at_nospamyahoo.com)
Date: 04/26/04 

Date: Mon, 26 Apr 2004 07:56:46 -0500

Open the BIOS and check the hard drive transfer rate setting. 

-- 
Carey Frisch
Microsoft MVP
Windows XP - Shell/User
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----------------------------------------------------------------------------
"Rhythmwiz" <J_Mullins@lycos.co.uk> wrote in message:
 news:43b201c42b82$a6ec3fa0$a301280a@phx.gbl...
|I have just purchased a 160Gb Seagate Barracuda 7200.7
| drive to use as my new boot drive. On installing Windows
| XP, the drive works perfectly, and Device Manager shows the
| transfer mode for device 1 on my primary IDE channel (the
| Barracuda drive) as Ultra DMA Mode 5. Every time, however,
| that I install Service Pack 1 for Windows XP, the transfer
| mode switches to PIO, and performance is awful. I have
| tried installing Windows and then the Service Pack at least
| 4 times now, and the same thing happens every time. How do
| I re-enable UDMA 5 under Service Pack 1? (Selecting 'Use
| DMA if available has no effect - it still stays on PIO)
| 
| Thank you very much for your time.

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