This message is from the T13 list server.

Pio works better than Dma.

We know this because we know people use the checkbox that Microsoft provides
to turn Dma off.

x4402 Pat LaVarre   [EMAIL PROTECTED]
http://members.aol.com/plscsi/


>>> Ooi, Thien Ern 04/10/02 04:59PM >>>
This message is from the T13 list server.


I don't understand.  How is that different from MW-DMA and UDMA?

T.E.


-----Original Message-----
From: Hale Landis [mailto:[EMAIL PROTECTED]] 
Sent: Wednesday, April 10, 2002 2:22 PM
To: [EMAIL PROTECTED] 
Subject: RE: RE: [t13] UDMA Bursts - Pause versus Termination


...

Another question: Can
you give me one good reason why (5 years ago!) the host side should
not be able to use a PRD list for PIO data transfers and have the
host adapter preform the equivalent of the x86 REP INSx/OUTSx
instructions? Given the popularity of ATA/ATAPI and all the
improvements done in device designs there is no excuse for the host
adapter side of the interface to be in such a sad state!

...

*** Hale Landis *** www.ata-atapi.com ***

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