2LK/2LN/2LM/2LC
2-3-52
Connector Pin Signal I/O Voltage Description
YC1
1 +5V I 5 V DC 5 V DC power from MPWB
Connected to
main PWB
2 +5V I 5 V DC 5 V DC power from MPWB
3 +5V I 5 V DC 5 V DC power from MPWB
4 GND - - Ground
5 GND - - Ground
YC2
1 VBUS I 5 V DC 5 V DC power input
Connected to
main PWB
2 DN I/O - USB data signal
3 DP I/O - USB data signal
4 ID - - Not used
5 GND - - Ground
YC3
1 GND - - Ground
Connected to
main PWB
2 SECOND_TRAY_
SW
- - Not used
3 BEEP_POWERO
N
I 0/3.3 V DC Sleep return signal
4 ENERGY_SAVE I 0/3.3 V DC Energy save signal
5 SUPND_POWER I 3.3 V DC 3.3 V DC power from MPWB
6 LED_MEMORY_N I 0/3.3 V DC Memory LED control signal
7 LED_ATTENTION
_N
I 0/3.3 V DC Attention LED control signal
8 LED_PROCESSI
NG_N
I 0/3.3 V DC Processing LED control signal
9 SHUT_DOWN I 0/3.3 V DC 24 V down signal
10 LIGHTOFF_POW
ERON
I 0/3.3 V DC Sleep return signal
11 AUDIO I Analog Audio output signal
12 PANEL RESET I 0/3.3 V DC Reset signal
13 INT_POWERKEY
_N
O 0/3.3 V DC Power key: On/Off
14 PANEL_STATUS O 0/3.3 V DC Operation panel status signal
15 SGND - - Ground
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