Quoting Paul Jakma (paul at clubi.ie):
> Interestingly, the Promise SX4 SATA cards actually /are/ hardware
> RAID. At least, they have onboard RAM and a XOR engine to be able to
> accellerate RAID-5. The RAM allows the OS to only have to copy data
> across the PCI bus once, and then issueing the disk transaction from
> the card-local data.
HighPoint 1820A is likewise assisted by a hardware XOR processor -- in
its case, a HighPoint HPT601. (That doesn't make either of them
hardware RAID, though. They're still "fakeraid" --
manufacturer-proprietary software RAID with a BIOS assist.)
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