软驱接口

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3.5" 软驱和 5" 软驱连线，外观为：

34 PIN IDC MALE

引脚定义

　

Pin Name Dir Description
2 /REDWC --> Density Select
4 n/c 　 Reserved
6 n/c 　 Reserved
8 /INDEX <-- Index
10 /MOTEA --> Motor Enable A
12 /DRVSB --> Drive Sel B
14 /DRVSA --> Drive Sel A
16 /MOTEB --> Motor Enable B
18 /DIR --> Direction
20 /STEP --> Step
22 /WDATE --> Write Data
24 /WGATE --> Floppy Write Enable
26 /TRK00 <-- Track 0
28 /WPT <-- Write Protect
30 /RDATA <-- Read Data
32 /SIDE1 --> Head Select
34 /DSKCHG --> Disk Change