The stripe size is not the issue really.
I've got RAID-0 working and its runs fine. I've been fiddling with stripe sizes with varied performance results.
The problem I've got is installing Windows itself so it will boot off the RAID-0 setup.
I'll fiddle with my memory settings Garikfox and see if I get any mileage.
I'm not overclocking ANYTHING on my box. I'm going to turn down all my settings.
Windows XP installed to my single HDD under this configuration before. So its not an XP issue as such.
Its something to do with the Highpoint drivers or some weird BIOS config...
THanks guys all suggestions will be tried!!!