440EX/LX AT
MAINBOARD
HARDWARE SETUP
3-12
(O) CN17: USB 1 (Universal Serial Bus) Connector
(P) CN18: USB 2 (Universal Serial Bus) Connector
CN4
CN 5
BAT 1
CN
1
SYS
. BI
O
S
+
-
CN10
CN11
CN6
SL
O
T
1
CN
7
CN
9
CN
2
CN 16
CN 15
CN 14
CN17
CN18
RS
HL
TL
SL
PW
PL KBLOCK
SPKR
JP 7
JP 8
JP 9
JP 3
JP
4
JP
5
JP
6
JP 11
CN 8
CN 1
9
1
2
3
4
5
5
4
3
2
1
CN 18
USB 2
CN 17
USB 1
Pin assignment of USB connector:
CN 18
CN 17
Pin # Assignment
Pin # Assignment
●
5
Ground
(BLACK WIRE)
●
1
+5V DC
(RED WIRE)
●
4
Ground
(BLACK WIRE)
●
2
DATA-
(WHITE WIRE)
●
3
DATA+
(GREEN WIRE)
●
3
DATA+
(GREEN WIRE)
●
2
DATA-
(WHITE WIRE)
●
4
Ground
(BLACK WIRE)
●
1
+5V DC
(RED WIRE)
●
5
Ground
(BLACK WIRE)