problems installing 6.1-RELEASE on Dell PowerEdge 1855

[Lowell Gilbert]

FBSD <fbsd at unimatrixzero.com> writes:

> I'm trying to do a fresh install of FreeBSD 6.1-RELEASE on a new
> Dell PowerEdge 1855 blade server.  The hardware notes for 6.1 say
> the Dell PERC 4/IM SCSI raid controller is supported by the amr
> driver.  The problem I'm having is that the kernel on the install cd
> is trying to load the mpt driver, which sees the controller and then
> fails to load with a timeout error.  How do I install FreeBSD with
> just the amr driver and not the mpt driver?

I don't see offhand how that could be happening in the first place.  
Time to ask the driver author, perhaps.