There is some thread about how XP will refuse to install the DMA driver if
it ever fails. If someone here does not know it, do a google search. You
need to tell it to install DMA. (not in Device Manager, it is a registry
problem).
Also try swapping UltraBays, and see if it will enable on the other
controller.
----- Original Message -----
From: "Peter Seebach" <seebs@plethora.net>
To: <thinkpad@stderr.org>
Sent: Monday, September 20, 2004 8:52 PM
Subject: [Thinkpad] DMA IDE support on A31p
> So, I have an A31p. And for reasons not obvious to me, the DVD drive is
> running in PIO mode, not UDMA mode, under Windows. I have selected all
> of the options to allow UDMA.
>
> If it matters, the laptop has a second hard drive in it, so the layout is:
> * Internal HD: Primary Master
> * Ultrabay HD: Primary Slave
> * Ultrabay DVD: Secondary Master
>
> Any suggestions? The performance is REALLY BAD.
>
> -s
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> Thinkpad@stderr.org
> http://stderr.org/cgi-bin/mailman/listinfo/thinkpad
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Received on Mon Sep 20 20:57:36 2004
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