440EX/LX AT
MAINBOARD
HARDWARE SETUP
3-13
(Q) CN19: IR / FIR (Infrared Rays) Connector
Consumer IR Connector
( Consumer IR connector is active only when
W83977CTF-AW I/O Chip is installed on position U10 )
CN4
CN 5
BAT 1
CN
1
SY
S.
B
IO
S
+
-
CN10
CN11
CN6
SL
O
T
1
CN
7
CN
9
CN 2
CN 16
CN
15
CN
1
4
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
6
7
8
9
(
+5VDC
)
(
NO CONNECTION
)
(
IR RECEIVE
)
(
GROUND
)
(
IR TRANSMIT
)
(
+
5VDC
)
(
IR TRANSMIT
)
IR/FIR (INFRARED RAYS)
CONSUMER IR
CN 19
(R) Push buttons and LED connectors
A series of connectors are designed on the board to connect the push buttons and
LED indicators. Followings are the details:
CN4
CN 5
BAT 1
CN
1
SYS
. B
IO
S
+
-
CN10
CN11
CN6
SLO
T
1
CN
7
CN
9
CN
2
CN 16
CN
1
5
CN
1
4
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
19
PUSH BUTTONS AND LED CONNECTORS
RS: Reset Button connector
HL: HDD LED connector
TL: Turbo LED
SL: Sleep LED connector
PW: Power On / Off Suspend switch
P
W
S
L
T
L
H
L
R
S
1.
RS
Reset Button Connector
Pin # Signal name
Pin1&2 Function
1
Reset Control
Open
No action
2
Ground
Short
System Reset
