25
3.6 The Floppy Disk Drive Connector
A standard 34pin header daisy-chain drive connector is provided as
CN12 with following pin assignment. A total two FDD drivers may be
connected.
CN12 : FDD Connector
PIN NO.
Description
PIN NO.
Description
1 GND 2 Reduce
Write
3 GND 4
NC
5 GND 6
NC
7 GND 8
Index#
9
GND
10
Motor Enable A#
11
GND
12
Drive Select B#
13
GND
14
Drive Select A#
15
GND
16
Motor Enable B#
17 GND 18 Direction#
19 GND 20
Step#
21 GND 22 Write
Data#
23 GND 24 Write
Data#
25 GND 26 Track
0#
27 GND 28 Write
Protect#
29
GPI 21
30
Read Data#
31 GND 32 Side1
Select
33 GND 34 Disk
Change#
Содержание HS-6036
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