On Sun, Jun 29, 2008 at 1:55 AM, peter green wrote: > Older systems and plug in cards typcially need a manufacturers driver > period. > > Newer systems have a choice of mode, in AHCI mode all the ports work but > you need a manufacturers driver, in legacy mode you don't need the > manufacturers driver but some ports don't work. My desktop was not so new (bought in early 2005) and it is using NForce 3 chipset. It does not need a driver with the SATA drive when installing XP. It is said that Bios may play a part as well at that time. Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist