Dell 2900 invalid partition table

[Len Conrad]

>> freebsd 7.1
>> 
>> Dell 2900, perc 6/i controller with 4 SATA disks in RAID1.
>> 
>> We get all the through the disc1 install, reboot,
>> 
>> arrive up to 
>> 
>> "Press <ctrl-E> for remote access setup  within 5 secs ...."
>> 
>> then die with
>> 
>> "Invalid partition table"
>> 
>> We had RAID5, same problem, switch to RAID1.
>> 
>> suggestions?
>
>Is your BIOS set to boot from the right device - the raid and
>not the one of the disks in it???
>

Boot sequence says "1. drive c:"

controller disk setup shows RAID1 ready.

I've looked everywhere to see if I can point the boot at RAID1.

Thanks,
Len