15
3.10 Floppy Disk Drive Connector
The HS-6237/HS-6637 uses a standard 34-pin header connector,
CN9
, for floppy disk drive connection. A total of two FDD drives may be
connected to
CN9
at any given time.
CN9: Floppy Connector
PIN
Description
PIN
Description
1
GND
2
RWC-
3
GND
4
N/C
5
GND
6
DS1-
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
WD-
23
GND
24
WE-
25
GND
26
Track 0#
27
GND
28
WP-
29
N/C
30
RDATA-
31
GND
32
HEAD-
33
N/C
34
DSKCHG-
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
RW
C-
N/C
DS1-
INDEX#
MOT
O
R ENABL
E A#
DRIVE SEL
ECT
B#
DRIVE SEL
ECT
A#
MOT
O
R ENABL
E B#
DIRECT
ION#
ST
EP#
WD
-
’
WE
-
T
R
ACK 0
#
WP
-
RDAT
A
-
GND
N/C
GND
N/C
HEAD-
DSKCHG-
34
33
1
2
u
Содержание HS-6237
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Страница 10: ...4 1 3 Board Dimensions ...
Страница 14: ...8 3 2 Board Layout ...