ICH4的spec中有个IDE_CONFIG—IDE I/O Configuration Register(IDE—D31:F1)& F5 V3 [, T# B" u& o; }5 C
Bit10:WR_PingPong_EN — R/W. " c9 j5 C6 M. x+ l* _3 @. E0 = Disabled. The buffer behaves similar to PIIX4. , N. o" \! @# f* I1 = Enables the write buffer to be used in a split (ping/pong) manner.( }6 E% d" c* t5 d# c7 |: ^' p
哪位给解释下是什么意思呀,这一位的功能是什么呀?