DMA limited to UDMA33, non-ATA66 cable or device

Jonathan Arnold jdarnold at buddydog.org
Fri Apr 9 07:07:28 PDT 2004


Me wrote:
> -------------------------------
> When I try to change to udma100 
> -------------------------------
> atacontrol mode 0 udma100 biosdma
> Master = UDMA33
> Slave  = BIOSPIO
> -------------------------------------
> console output after i use atacontrol
> -------------------------------------
> ad0: DMA limited to UDMA33, non-ATA66 cable or device

What does :

$ atacontrol list

say? It sure looks like you have a PIO device on the same cable as your
UDMA hard drive. And are you sure you have a UDMA 100 cable? It should
have a blue female plug for the motherboard side.

-- 
Jonathan Arnold     (mailto:jdarnold at buddydog.org)
Daemon Dancing in the Dark, a FreeBSD weblog:
     http://freebsd.amazingdev.com/blog/



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