這driver不裝
opteron用是可以用..
BUT.....
opteron 不會有power now的功能....

(Allows the system to automatically adjust the CPU speed, voltage and power combination that match the instantaneous user performance need. This driver supports Single- and Dual-Core AMD Opteron™ processors on Windows XP SP2, Windows 2003 SP1 x84 and x64 Editions

AMD Opteron™ Processor with AMD PowerNow!™ Technology Driver for Windows XP and Windows Server 2003 Version (x86 and x64 exe) 1.3.2.16 :....)

前文不是貼很清楚了嗎?
還是有一堆人不看就回文....
唉...