How to Force UDMA100 Mode on Boot?

[Nikolas Britton]

On 8/16/05, Mark Kane <mark at mkproductions.org> wrote:
[snipped]
> 
> If I eliminate one of the drives and run one on each channel, they all
> work fine together. I'm not sure if that rc.local trick that was
> suggested would work now. I don't know if drives get mounted before
> rc.local would get executed or not.
> 

Doesn't the drive have to be mounted (ad0s1a) first before the system
can read /etc/rc.conf and before it can execute /sbin/atacontrol?...
Theirs your answer.

A UDMA100 controllor will force those drives to slow down ;-)