Messages in this thread | | | Subject | Re: Write cacheing on UDMA drives | Date | Tue, 27 Jan 1998 12:05:46 -0500 | From | John Gotts <> |
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In message <199801270251.UAA00622@euphoria.dopamine.com>, "Roy P. Turner" write s:
>I wrote about this a while back, I guess around the time of 2.1.70, >and was told to wait a few kernels and check back.
>Anyways, I have 2 UDMA drives and I can't use write cacheing with these >drives in UDMA mode. Giving a hdparm -W1 to these drives causes irq >timeouts followed by reset requests. These same drives work fine with >write cacheing enabled in UDMA mode under winblowz. They also work fine >with write cacheing enabled in linux with UDMA turned off in the BIOS >and just using DMA mode 2. Any suggestions would be most appreciated.
This works fine for me. Could you be more specific about your drives and your UDMA controller?
I have a 7.0 GB Maxtor UDMA drive and a Promise UDMA controller.
-- John GOTTS <jgotts@engin.umich.edu> http://www-personal.engin.umich.edu/~jgotts
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