eMachines EL1852 eMachines EL1852 Service Guide - Page 80

ATX_POWER: ATX 24-pin Power Connector, SYS_FAN: System Cooling FAN Power Connector, ATX12V: ATX 12V

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ATX_POWER: ATX 24-pin Power Connector Pin Signal Name 1 +3.3V 2 +3.3V 3 Ground 4 +5V 5 Ground 6 +5V 7 Ground 8 PWRGD 9 +5VSB 10 +12V 11 +12V 12 +3.3V Pin Signal Name 13 +3.3V 14 -12V 15 Ground 16 PS_ON 17 Ground 18 Ground 19 Ground 20 -5V 21 +5V 22 +5V 23 +5V 24 Ground SYS_FAN: System Cooling FAN Power Connector Pin Signal Name 1 GND 2 +12V 3 Sense Function System Ground Power +12V Sensor ATX12V: ATX 12V Power Connector Pin Signal Name 1 Ground 2 Ground 3 +12V 4 +12V Front Panel Header The front panel header (F_PANEL) provides a standard set of switch and LEDheaders commonly found on ATX or micro-ATX cases. Refer to the table below for information: Pin Signal Name Function Pin Signal Name 1 VCC Reset Switch (+) 2 GLED0 3 HDD_LEDN Hard disk LED (-) 4 GLED1 5 GND Reset Switch (-) 6 PWRSW 7 HWRST_L Reset Switch (+) 8 GND 9 F_PANEL_DET Reserved 10 KEY 11 NC Reserved 12 VCC 13 NC Reserved 14 F_LAN_LED Function *MSG LED (+) *MSG LED (-) Power Switch (+) Power Switch (-) No pin Reset Switch (+) Reset Switch (+) 72 EL1852 Service Guide

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72
EL1852 Service Guide
ATX_POWER: ATX 24-pin Power Connector
SYS_FAN: System Cooling FAN Power Connector
ATX12V: ATX 12V Power Connector
Front Panel Header
The front panel header (F_PANEL) provides a standard set of switch and LEDheaders commonly found on ATX or
micro-ATX cases. Refer to the table below for information:
Pin
Signal Name
Pin
Signal Name
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
Ground
15
Ground
4
+5V
16
PS_ON
5
Ground
17
Ground
6
+5V
18
Ground
7
Ground
19
Ground
8
PWRGD
20
-5V
9
+5VSB
21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
Ground
Pin
Signal Name
Function
1
GND
System Ground
2
+12V
Power +12V
3
Sense
Sensor
Pin
Signal Name
1
Ground
2
Ground
3
+12V
4
+12V
Pin
Signal Name
Function
Pin
Signal Name
Function
1
VCC
Reset Switch (+)
2
GLED0
*MSG LED (+)
3
HDD_LEDN
Hard disk LED (-)
4
GLED1
*MSG LED (-)
5
GND
Reset Switch (-)
6
PWRSW
Power Switch (+)
7
HWRST_L
Reset Switch (+)
8
GND
Power Switch (-)
9
F_PANEL_DET
Reserved
10
KEY
No pin
11
NC
Reserved
12
VCC
Reset Switch (+)
13
NC
Reserved
14
F_LAN_LED
Reset Switch (+)