Quote:
Are these cheap RAID cards like the RocketRaid totally hardware based like the PERC in my Dell or are they partly hardware and partly software ?


I don't know specifically about the SATA one, but the RocketRaid 404 PATA is part hard/part soft.

I replaced it with a 3ware SATA card, which (AFAIK) is entirely hardware. What I do know is that I didn't have to faff with getting it installed under Linux.
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-- roger