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USB Connectors Pin-out (J3)
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Optional USB Connection Header Pin-Out (J31)
Pin
1
Fused VCC (+5V /w over current
monitor of both port 1)
3
DATAN1
5
DATAP1
7
GND
9
Key
Legacy 34-pin Floppy Connector Pin-out (J47)
Pin
1
GND
3
GND
5
KEY
7
GND
9
GND
11
GND
13
GND
15
GND
17
Unused
19
GND
21
GND
23
GND
25
GND
27
Unused
Chapter 5
Fused VCC (+5V /w over current monitor of both port 3)
DATAN3 (Differential data line paired with DATAH3)
DATAP3 (Differential data line paired with DATAL3)
GND
Fused VCC (+5V /w over current monitor of both port 2)
DATAN2 (Differential data line paired with DATAH2)
DATAP2 (Differential data line paired with DATAL2)
GND
CTS_N
DSR_DCD
SIN
RI_N
GND
SIUT
DTR_N
RTS_N
Signal Name
Signal Name
Signal Name
Pin
Singal Name
2
Fused VCC (+5V /w over current
monitor of both port 0)
4
DATAN0
6
DATAP0
8
GND
10
NC
Pin
Signal Name
2
FDDENSEL
4
Unused
6
FDDRATE0
8
FDINDEX#
10
FDMTR0#
12
FDR1#
14
FDR0#
16
FDMTR1#
18
FDDIR
20
FDSTEP#
22
FDWDATA#
24
FDWGATE#
26
FDTRK0#
28
FLWP#
86
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