The older ISA (now called PATA = Parallel ATA) has been replaced by SATA
(Serial ATA). SATA has 3 speeds. Most new disks are either SATA 2 or
SATA 3 speed.
IDE I assume you meant. :) ISA was the old bus PCI replaced.
--
Drew
"Nothing in life is to be feared. It is only to be understood."
--Marie Curie