1. System Architecture block diagram

2. System Architecture block diagram

3. PCBA Outline drawing

4. PCBA Outline drawing

5. System major components
Function
Vender part#
Package
Vender
Flash BIOS
SST25VF016B
SOIC
SST
CardBus
R5C833
TQFP
RICOH
Express Card
ICH9-M
BGA
Intel
LAN Controller
BCM5784M
QFN
Broadcom
Clock
SLG8SP513V
Silego
Thermal
SMSC1423
MSOP
SMSC

6. SMBUS BLOCK

7. Key feature North bridge-Intel Cantiga memory controller Hub.
Support 667/800MHZ DDRII, dual channel .
Support PCIE graphics (PCIE x16), which support LVDS, HDMI(ATI), CRT interface.
Support DMI interface to the south bridge.
+1.05V_VCCP,+1.5V_RUN,+1.8V_SUS for MCH Power plane

8. Key feature SIO-ITE 8512 K/B controller include in ITE 8512
SPI/LPC support
Power on/off management &GPIO support.
PS/2 to Touchpad
+3V_ALW support SIO power plane

9. Key feature LOM-Broadcom5784M Support 10/100/1000M
Support MINI antenna for WLAN
Support WWAN
VCORE=3.3V_LAN,1.2V_LAN,2.5V_LAN.

10. Key feature
Graphics: Intel GM45 Integrated graphics controller & ATI M92 XT(For discrete FM8,FM8B UMA internal graphics)
Gfx Chip on board (For PM45)
Video Memory 512MB 800MHz
+VCC_GFX_CORE=0.9V,1.0V,1.1V and 1.2V & +1.1V_GFX_PCIE support M92 XT power plane

11. Power Hierarchy Level 4: RUN
+3.3V_RUN,+5V_RUN,+1.8V_RUN,+1.5V_RUN,VCC_Core.
Level 3: SUS
+3.3V_SUS,+5V_SUS,1.8V_SUS,+1.5V_SUS (UMA)
Level 2: ALW
+3.3V_ALW,+5V_ALW,15V
Level 1: RTC _PWR
+3.3V_RTC_LDO,+RTC_Cell
Level 0: Power Source
+DC_IN, Power Source

12. Power sequence diagram

13. Power check and power on troubleshooting1
Check +PWR_SRC/DC_IN 19.5V=19.5V
Check +DCIN_JACK N
Check +3.3V_ALW =3.3V
Check PC154 Pin1 and PU5 N
End

14. Power check and power on troubleshooting
Power On/ Staring check
PWR_SW#=Low pulse
Check +3.3v_ALW N
Check +5V_ALW2=5V
MAX17020ET N
Check SUS_ON=H
Check ITE8512 Pin100 N
Check +3.3V_SUS
FDC655BN N
Check +5V_SUS
MAX17020ET N
Check 1.8V_SUS
TPS51116PWPRG4 N

15. Power check and power on troubleshooting
Power on/staring check
Check SLP_S3#
Check ICH9 SLP_S3# Pin N
Check ITE8512 Pin123
Check RUN_ON1 N
Check U10 Pin4
Check RUN_ON N
1.PQ10 - SI4800BDY-T1-E3
2.PQ14 - FDS8880_NL
3.Check PU6 and PC95
4.Check U35 Pin5
5.Check PQ7 Pin1,2,3
1.Check +5V_RUN
2.Check +3V_RUN
3.Check +1.5V_RUN
4.Check +1.5V_SUS(UMA)
5.Check +1.8V_RUN N
Check MAX8632ETI+
Check +VCC_GFX_CORE N
Check - SN74AHC08PW Pin11
Check HWPG N

16. Power check and power on troubleshooting
Power on/staring check
Check IMVP_VR_ON
Check ITE8512 Pin95 and ISL6262ACRZ-T Pin44 N
Check VCC_CORE
Check ISL6262ACRZ-T N
Check PCI_RST#
Check TC7SZ32FU Pin4 N
CPU_RST#
Check MCH B6 N
End