> the Dawicontrol DC-154 PCI SATA RAID card.

> Surprisingly, it says that this low end
> controller supports RAID 5 - and MS DOS!

> Up to 4 disks, SATA/150, Sil3114 chip...
> Can use LBA48 and 33 and 66 MHz PCI bus.
> RAID 0, 1, 0+1, 5, JBOD, with flash BIOS

> Can anybody confirm this? Or does this
> controller only support simpler RAID
> levels when used in MS DOS / FreeDOS?

virtually ALL SCSI/RAID adapters support DOS.

Background: when booting a computer, the BIOS accesses the drive(s)
using interrupt 13. That's good enough to boot, good enough for DOS,
and good enough for some disk imagers ;)

only exception are some (looooow cost) adapters without onboard BIOS.

Tom


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