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A8Jn
Troubleshooting Guide
Block Diagram
Power On Sequence 1
AC Mode Adapter Plug In
AC_BAT_SYS
+5VCHG
+5VLCM
+2.5VREF
+3VA
+5VA
Press Power Button
LID_SW#
PWR_SW#_Q
PWR_ON
SUS_ON
+1.5VSUS
+3VO
+12VO
+5VO
+5VO
PM_PWRBTN#
PM_SUSC#
Power On Sequence 2
+12V
+5V
+3V
+1.8VO
+1.5VO
+2.5VO
3V_5V_PWRGD
PM_SUSB#
CPU_VRON
+VCC_GMCH_CORE
+VCCP
+12VS
+0.9VS
+5VS
+3VS
+1.5VS
2.5VS
+ VCORE
+ATI_VCORE
PWR_OK_VGA
MCH_OK
Power On Sequence 3
VTT_PWRGD
VR_PWRGD
CLK_EN#
System On Sequence
CLK_CPU_BCLK/#
CLOCK 4
2 GEN.
CLK_EN# ICS954213 DOTHAN
CLK_MCH_BCLK/# CPU
CLK_MCH_3GPLL/#
4 7
CLK_ICHPCI 4 H_CPURST#
CLK_PCIE_ICH/#
ALVISO KBC
ICH6_PWROK MCH (M3885XHP)
3 6
GIGA LAN
H_PWRGD
RICOH
R5C841
Reset IC
SB
ICH6-M MINI-PCI
LV08 PCI_RST# 5
1
5 SUPER IO
VRM_PWRGD
LV08 BUF_PLT_RST#
ATI
POWER LV08 5 M24/M22
SYSTEM
PLT_RST#
SW_RST#
TSICT Voltage Measure -TOP
TSICT Voltage Measure -BOTTOM