Kubuntu on ICH9R RAID Problem

I'm attempting to install Kubuntu 7.10 to be dual booted on an existing 
Windows
Ultimate system. The system has Intel ICH9R RAID, with a single RAID0 
striped
volume, and two partitions, Windows/NTFS and unformatted. I booted from the
Kubuntu install disk and installed dmraid, but dmraid won't successfully
activate the RAID volume(s) - see various outputs below.

Appreciate ideas on how to fix ....

$ sudo dmraid -ay
ERROR: isw device for volume "Volume0" broken on /dev/sdb in RAID set 
"isw_dhbacihbbf_Volume0"
ERROR: isw: wrong # of devices in RAID set "isw_dhbacihbbf_Volume0" 
[1/2] on /dev/sdb

$ sudo dmraid -r
/dev/sdb: isw, "isw_dhbacihbbf", GROUP, ok, 488397166 sectors, data@ 0

$ sudo dmraid -ay -vvvv -dddd
WARN: locking /var/lock/dmraid/.lock
NOTICE: skipping removable device /dev/sdf
NOTICE: skipping removable device /dev/sde
NOTICE: skipping removable device /dev/sdd
NOTICE: skipping removable device /dev/sdc
NOTICE: /dev/sda: asr     discovering
NOTICE: /dev/sda: ddf1    discovering
NOTICE: /dev/sda: hpt37x  discovering
NOTICE: /dev/sda: hpt45x  discovering
NOTICE: /dev/sda: isw     discovering
NOTICE: /dev/sda: jmicron discovering
NOTICE: /dev/sda: lsi     discovering
NOTICE: /dev/sda: nvidia  discovering
NOTICE: /dev/sda: pdc     discovering
NOTICE: /dev/sda: sil     discovering
NOTICE: /dev/sda: via     discovering
NOTICE: /dev/sdb: asr     discovering
NOTICE: /dev/sdb: ddf1    discovering
NOTICE: /dev/sdb: hpt37x  discovering
NOTICE: /dev/sdb: hpt45x  discovering
NOTICE: /dev/sdb: isw     discovering
NOTICE: /dev/sdb: isw metadata discovered
NOTICE: /dev/sdb: jmicron discovering
NOTICE: /dev/sdb: lsi     discovering
NOTICE: /dev/sdb: nvidia  discovering
NOTICE: /dev/sdb: pdc     discovering
NOTICE: /dev/sdb: sil     discovering
NOTICE: /dev/sdb: via     discovering
DEBUG: _find_set: searching isw_dhbacihbbf
DEBUG: _find_set: not found isw_dhbacihbbf
DEBUG: _find_set: searching isw_dhbacihbbf_Volume0
DEBUG: _find_set: searching isw_dhbacihbbf_Volume0
DEBUG: _find_set: not found isw_dhbacihbbf_Volume0
DEBUG: _find_set: not found isw_dhbacihbbf_Volume0
NOTICE: added /dev/sdb to RAID set "isw_dhbacihbbf"
DEBUG: checking isw device "/dev/sdb"
DEBUG: set status of set "isw_dhbacihbbf_Volume0" to 2
DEBUG: set status of set "isw_dhbacihbbf" to 4
INFO: Activating GROUP RAID set "isw_dhbacihbbf"
WARN: unlocking /var/lock/dmraid/.lock
DEBUG: freeing devices of RAID set "isw_dhbacihbbf_Volume0"
DEBUG: freeing device "isw_dhbacihbbf_Volume0", path "/dev/sdb"
DEBUG: freeing devices of RAID set "isw_dhbacihbbf"
DEBUG: freeing device "isw_dhbacihbbf", path "/dev/sdb"