Connectors and Jumper
1230B0026701
3-5
3
3
.
.
3
3
F
F
l
l
o
o
p
p
p
p
y
y
C
C
o
o
n
n
n
n
e
e
c
c
t
t
o
o
r
r
(
(
J
J
4
4
5
5
)
)
The 34-pin floppy connector and the pin definition are shown below:
Figure 3-4 Floppy Connector
Table 3-4 Floppy Connector Pin Definition
Signal Name
Pin
Pin
Signal Name
Ground 1
2
LOWDEN_N
Ground 3
4
+5V
KEY 5
6
+5V
Ground 7
8
INDEX_N
Ground 9
10
MOTON0_N
Ground 11
12
+12V
Ground 13
14
DSEL0_N
Ground 15
16
+12V
MSEN 1
17
18
DIR_N
Ground 19
20
STEP_N
Ground 21
22
WDATA_N
Ground 23
24
WRTEN_N
Ground 25
26
TRK_0_N
MSEN 0
27
28
WPROTECT_N
Ground 29
30
RDATA_N
Ground 31
32
HDSEL_N
Ground 33
34
DSKCHING_N
