Re: UDMA and VIA APOLLO CHIPSET

Alan Cox (alan@lxorguk.ukuu.org.uk)
Mon, 5 Jul 1999 13:51:01 +0100 (BST)

> On boot-up I get this ..........
> hda: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }

UDMA CRC errors. That normally indicates a bad cable (typically over
long). Presumably the BIOS wasnt using UDMA and you had the IDE DMA AUTOTUNE
option enabled (not btw always a good idea)

> hda: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hda: DMA disabled
> ide0: reset: success

And Linux gives up on using DMA.

Alan

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