DMA limited to UDMA33, non-ATA66 cable or device

Lucas Holt luke at foolishgames.com
Fri Jul 25 08:07:17 PDT 2003


There might be another possibility...  I ran into a problem once where 
Solaris would only allow me to use ATA33 on a Sis controller because 
the controller driver was unstable at ATA66 in solaris.  Perhaps its 
down clocking so to speak.

I also had a problem with a promise pci ide controller card in Windows 
once (UDMA100) where the card would not run in UDMA mode at all.   It 
worked and then one day stopped.  I tried new cables, different hard 
drives, etc.  Finally the card failed.  It was defective.  Since then I 
don't buy promise controllers when I can help it.


Lucas Holt
Luke at FoolishGames.com
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"Only two things are infinite, the universe and human stupidity, and 
I'm not sure about the former."
- Albert Einstein (1879-1955)



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