BX2外頻試探

975x has some problem with x68 can't go high fsb on air,and high mem clk.
for a newer bx2, aslo has those "features".
tested with vmch 1.6v,fsb1.3v, higher mch and fsb doesn't help them.
no clockgen make thing more difficult.lol
平台：
x6800 b1
d975xbx2 1066strap vmch 1.6v fsb 1.3v
kingbox 1066 1gbx2 sticks
tower120 room 22°c
matrox 8mb pci
seagate 40gb ide
zippy850w
max fsb stable with x6800 at 430(1066strap)
max ddr2-1140 stable at 2.32v 1gbx2.
四核心最高385外頻穩定(1333strap,vmch1.7,fsb 1.4v)

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四核心还是那么难搞，就连intel自家板子都那么难。。。