On 5/7/03 21:30, "James" wrote: > Does DDR memory generate its own clock and phase lock the motherboard? Or > does it derive its clock from the Motherboard. It derives its 'clock' from the FSB. > Is it OK for 333MHz memory to sit on a motherboard > that supports up to 266MHz? Yes, AFAIK. In the same way you can put PC133 memory in PC100 slots -- you won't get the extra performance, but it's fine. -marc -------------------------------------------------- Marc Nicholas Geekythings Inc. C/416.543.4896 UNIX, Database, Security and Networking Consulting -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads