Re: IDE Ultra DMA patch

Andrea Arcangeli (arcangeli@mbox.queen.it)
Thu, 18 Sep 1997 18:57:43 +0200 (CEST)


On Wed, 17 Sep 1997, Kim-Hoe Pang wrote:

>
>Hi,
>
>This patch will enable Ultra DMA data transfer protocol on the IDE
>interface in the Intel TX motherboard. This patch is against 2.1.55
>kernel. Use the BIOS setup to enable the IDE drive for UDMA.
>If all go well, look for status message in the "dmesg" output.
>If UDMA is not enabled in the BIOS, then the patch will select the
>normal dma transfer mode for the IDE interface.
>To disable the DMA mode, use "hdparm -d0 /dev/hdx".

It does nothing on my TX chipset machine, maybe because the HD only
support DMA? In the bios I can only set UDMA as AUTO with PIO AUTO.

Andrea(S) Arcangeli