I found the reason.

回答: Don't buy IOMagic DVD burner.mntdew2004-12-28 11:28:11

I found the reason. I need to enable the DMA on the IDE bus. After doing that, I got 4-6x writing speed now.
But I still have the compatibility issue.
By the way, the IOMagic Tech help is not good, they don't know the reason, only ask me to download the new firmware which is not helpful at all.

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C, told U it was Ur SW problem -IToldUSo!!- 給 IToldUSo!! 發送悄悄話 (0 bytes) () 12/29/2004 postreply 12:22:23

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