Thanks Rainbow. The mobo 5v-2 looks similar but not the same. May be my mobo is Winco because it has a Winco chip on it. I need the manual to set the jumper to the correct speed ratio. Plaese help.
I've just taken out the Winco sticker label: under it was a VIA chip. Actually in the mobo there is a jumper setting instructions:
BF0 BF1 RATIO 0 0 2.5X 0 1 2X 1 0 3X 1 1 1.5X
The problem is I could not find the jumpers BF0 and BF1 in the mobo??? There is no such a jumper BF... And there are jumpers JL1, JL2, JL3 I do not know what for.