LSI Logic Embedded SATA RAID / install to disk

Hello ppl,

i´m trying to install open-e DSSv6 (latest build) to my system disks(2 disks - RAID1) which are connected via an LSI Software RAID Controller, but i fail to do so. I deleted the RAID1 created with the controller software (Configuration Utility) as stated in the quick installation guide.

I tried these steps so far:

setting BIOS RAID Mode to : Compatible and Native
Booting Live-CD, created a SW/RAID (RAID Level 1), rebooted
trying the Software-Installer from Live-CD, rebooted
using cfdisk with this options:

my s-ata disks are recognized:

dev/sda
dev/sdb

as RAID1

selecting dev/sda and created a primary partition (type W95FAT32) 2GB from beginning, selected the rest for userdata

Setting the BIOS Bootmodeselection to S-ATA Drive(s) - no luck

The screen goes black with the cursor blinking on top left :)

What is my problem here?

Any suggestions appreciated...

thx

I found out that it´s not possible to install the system on a software raid - sigh....