Acer Altos G520 series, Service Manual

Page: 92 / 112

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