Acer Altos G520 Service Manual page 92

LCD Header Pin-out (J39)
Pin
1 HR_SMB_STB5V_DAT
2 GND
3 HR_SMB_STB5V_CLK
4 P5V_STBY
LEGEND SE_LINK Header Pin-Out (J33)
Pin
1 MBMC_SMB_PHL_DAT
2 GND
3 MBMC_SMB_PHL_CLK
4 P5V_STBY
5 NC
6 NC
7 NC
8 NC
IPMB Cnnector Pin-out (J49)
Pin
1 MBMC_SMB_PHL5V_DAT
2 GND
3 MBMC_SMB_PHL5V_CLK
4 NC
Front Panel 34-Pin Header Pin-out (J38)
Pin
1 ACPI_LEDgrn
3 KEY
5 ACPI_LED amber
7 HDD_LED
9 HDD_LED#
11 ACPI switch
13 ACPI switch (GND)
15 RESET switch
17 RESET switch (GND)
19 *Sleep switch (NO SUPPORT)
21 *Sleep switch (GND)
23 NMI switch#
25 Key
27 NC
29 NC
31 NC
33 NC
NC (No Connect) in this project
83
Signal Name
Signal Name
Signal Name
Signal Name
Description
Data Line
GROUND
Clock
POWER
Description
Data
GROUND
Clock
POWER
Description
Data
GROUND
Clock
Pin Signal Name
2 SB5V
4 *FAN_FAULT LED (NO SUPPORT)
6 *FAN_FAULT LED# (NO SUPPORT)
8 *SYS_FAULT LED
10 *SYS_FAULT LED#
12 NIC2 ACT_LED
14 NIC2 ACT_LED#
16 SMB SDA
18 SMB SCL
20 *INDRUDER
22 NIC1 ACT_LED
24 NIC1 ACT_LED#
26 Key
28 NC
30 NC
32 NC
34 NC
Altos G520