Yes the Promise raid bios boot. And I'v done the steps you said (hit CTRL+F and select 1 auto etc and choose performans hit CTRL+Y and reebot) so It can be that the hdds total i sto big like you said. But I'v seen others use mutch bigger drivers my drivers are,
2 x "MAXTOR DMAX PLUS9-FDB 120GB 7200RPM 8MB" total
245884 (MB)
FastTrack bios version 2.00.0.2¨0
FastBuild (tm) Utility 1.32
Motherboard GA-7VRXP bios version F12
Something you can se is out of date or not compatibel here?...
Thx for your help, appreciate it