SATA, PATA

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PATA, SATA and ATA

Parallel ATA (PATA) is just the new name given to plain old ATA when Serial ATA arrived. Under Linux it seems PATA drivers can be used with the new libata library, so you should be able to use PATA.

AHCI

With SATA drives the AHCI driver can be better than other (native) drivers since it implements NCQs. So use AHCI whenever you can. This option usually is present in the BIOS as well.