ICH4的spec中有个IDE_CONFIG—IDE I/O Configuration Register(IDE—D31:F1)4 C8 y I6 X& a6 i0 I- D& t4 P
Bit10:WR_PingPong_EN — R/W. P3 R) g4 |; w; e; [
0 = Disabled. The buffer behaves similar to PIIX4.( x: w) f; ^, ?5 y
1 = Enables the write buffer to be used in a split (ping/pong) manner.9 V- b8 ^0 ?5 K0 S/ U7 X4 v ]
哪位给解释下是什么意思呀,这一位的功能是什么呀?