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01_Block Diagram
02_System Setting 1000HE_MB CPU
03_Power Sequence 1.0G CLOCK GEN
04_Clock Gen_ICS9LPR426
Diamondville ICS9LPR427
05_Diamondville_BUS
D 06_Diamondville_PWR 2008_0519_2000 FCBGA437 D


07_NB-945GMS(HOST)
08_NB-945GMS(DMI) THERMAL CONTROL
09_NB-945GMS(GRAPHIC)
10_NB-945GMS(DDR2)
11_NB-945GMS(PWR)
12_NB-945GMS(PWR2) LCD Board
13_NB-945GMS(GND)
NORTH
14_SB-ICH7M(PWR) LCD BRIDGE SODIMM 200P
15_SB-ICH7M(1)
16_SB-ICH7M(2) 945GSE
17_SB-ICH7M(3)
CRT
18_DDR2 SODIMM
19_DDR2_Termination
C
20_Onboard VGA C

21_LCD Conn_LID
22_PCIEx 3.5G & Ext. Antenna
LINE OUT
23_Mini WIFI+ BT
24_LAN_Atheros AR8113
25_MDC_RJ11_RJ45 Debug Conn Speaker
26_Flash Conn
AZALIA CODEC
27_SATA Hdd
SOUTH Realtek ALC269
EXT MIC
28_USB Port EC BRIDGE
29_Camera Conn ENE KBC3310
30_Card Reader_AU6336C52 INT MIC
31_Codec_ALC269 ICH7-M
32_Audio_AMP_Jack
SPI ROM Internal KB Touch Pad
33_EC_ENE KB3310
34_EC_UART controller
B B
35_Switch_SPI ROM_Debug Conn
36_Thermal Sensor_FAN
37_KB_Touch Pad
38_LED_THERMTRIP USB Port *3
39_Discharge MINICARD WLAN
40_PWR Jack
41_Srew Hole
SD/MMC Card Reader
42_EMI Alcor AU6336
43_POWER FLOW
Card LAN RJ-45
44_Vcore
Reader Atheros AR8113
45_Power System Camera
46_Power_+1.8V & VTTDDR
47_Power_VCCP NAND Flash
48_Power_+1.5VS & +2.5VS Card
A 49_Power_Charger
Flash Module Flash Conn A

50_EC Pin Define
51_History


Title : Block Diagram
ASUSTek Computer INC. Engineer: Echo_Huang
SATA Conn Size Project Name Rev
http://skema-laptop-motherboard.blogspot.com/ A3 1000HE_MB 1.1G
Date: Friday, January 23, 2009 Sheet 1 of 47
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D D




C C




B B




A A







Title : History
ASUSTek Computer INC. Engineer: KingCa_Jin
Size Project Name Rev
http://skema-laptop-motherboard.blogspot.com/ A3 1000HE_MB 1.0G
Date: Friday, January 23, 2009 Sheet 2 of 47
5 4 3 2 1
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2
3
A/D_DOCK_IN
AC_BAT_SYS AC_BAT_SYS +3VA 4 +5VSUS +1.8V
Adapter RT8203 +5VS 13 RT9173 +VTT_DDR 14
SUSB_ON 70T03 +5VS
MAX8724ETI +5VA 4 12 EN
2
D BAT D

Battery +5VSUS 6
+3VSUS +3VS +2.5VS 14
VSUS_ON +3VS 13 APL5315
+3VSUS 6 SUSB_ON 70T03
5 12
Signal S0/S1 S3 S4/S5 Power
VSUS_ON H H Adapter H VSB VSUS_PWRGD 7
Battery L
AC_BAT_SYS
BAT_IN




SUSB_ON H L L Main APW7145 +1.5VS 13




AC_OK
+5VSUS
SUSC_ON H H L DUAL AC_BAT_SYS VCC SUSB_ON
EN
RT8202 +1.8V 13
12 SUSC_ON

+5VS 13
AC_BAT_SYS VCC
4 +3VA SUSC_ON 12 RT8202 +VCCP 14
SUSB_ON 12
5 VSUS_ON CPU_VRON 17 12 SUSB_ON 15
C
ENE KB3310 EN VCCP_PWRGD C
19 VRM_PWRGD
7 VSUS_PWRGD VRM_PWRGD 20 22
PM_PWROK
21 EC_PWROK 74LVC1G08
9 PWR_SW# EC_PWROK 21


8 10 PCI_RST# 24
PM_RSMRST#


PM_PWRBTN#




CLK_PCI_EC 16 +VCCP
SUSB#

SUSC#




23 H_PWRGD AC_BAT_SYS
+1.8V +1.5VS
25 H_CPURST#
H_PWRGD 23 +2.5VS
11 11 18 VID[6:0] ADP3208 CPU_VRON 17
+1.5VS Diamondville
1 CLK_BCLK_MCH 16
+VCCP VCORE 19 VRM_PWRGD 20
+VCC_RTC VRM_PWRGD 20 Intel CLK_PCIE_MCH 16
+ 945GMS
BATT PM_PWROK CLK_96M_UMA
+5VSUS 22 VRM_PWRGD 16 CLK_BCLK_CPU
20 CLK_LCD_LVDS 16 16
+3VSUS PCI_RST# 24
B +1.5VSUS PLT_RST# 24 B
(internal) 24 PLT_RST# MCLK_DDR
Intel
+5VS ICH7-M 26 SODIMM
CLK_PCIE_ICH 16
+3VS
CLK_SATA_ICH 16
+2.5VS
CLK_48M_USB 16 +3VS Onboard PCI_RST# 24
+1.5VS +3VSUS Flash
CLK_PCI_ICH 16
+VCCP FSB CLK 100M
CLK_REF_ICH 16 CPU MCH ITP 16
15 VCCP_PWRGD VTT_PWRGD#

REF CLK 14M +3VS Flash PCI_RST# 24
ICH Module
16 PCIE CLK 100M
USB CLK 48M MCH ICH
+3VSUS MINICARD 16
ICH
CLK_PCIE_MINICARD 16 16 ICS9LPR426 LAN
+3VS
+1.5VS MINICARD PLT_RST# 24 PCI CLK 33M
16 ICH EC LVDS CLK 100M
DEBUG 16
A MCH A
CLK_PCIE_LAN 16
+3VSUS
Onboard LAN PLT_RST#
24 SATA CLK 100M UMA CLK 96M
16 16
ICH MCH Title : Power Sequence
ASUSTek Computer INC. Engineer: Jeff Li
Size Project Name Rev
http://skema-laptop-motherboard.blogspot.com/ A3 1000HO_MB 1.0G
Date: Friday, January 23, 2009 Sheet 3 of 47
5 4 3 2 1
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EC KB3310 GPIO SETTING EC KB3310 Other Pin SETTING
Pin Pin Name Signal Name Type Note Pin Pin Name Signal Name Type Note Pin Pin Name Signal Name Type Note
1 GPIO00/GA20 A20GATE O 70 GPO3D/DA1 LCD_BACKOFF# O 3 SERIRQ INT_SERIRQ I/OD 10K pull high to +3V
2 GPIO01/KBRST# RC_IN# O 71 GPO3E/DA2 CLK_PWRSAVE# O 4 LFRAME# LPC_FRAME# I
6 GPIO04 EMAIL_SW# I Internal pull high 72 GPO3F/DA3 BAT_LL# O Battery Low Low 5 LAD3 LPC_AD3 I/O
13 GPIO05/PCIRST# PCI_RST# I 73 GPIO40 AC_OK I AC Adaptor Plug in 7 LAD2 LPC_AD2 I/O
D D
14 GPIO07 BAT_OTP I Battery over temperature 74 GPIO41 PM_RSMRST# O 10K pull down to GND 8 LAD1 LPC_AD1 I/O
15 GPIO08 EXTSMI# OD 10K pull high to +3VSB 75 GPI42 BAT_IN I 9 VCC +3VA_EC P
16 GPIO0A LID_EC# I Internal pull high 76 GPI43 CLRTC_EC I 10 LAD0 LPC_AD0 I/O
17 GPIO0B/ESB_CLK NC O 77 GPIO44/SCL1 SMB0_CLK I/OD 4.7K pull high to +3VA_EC 11 GND GND P
18 GPIO0C/ESB_DAT NC O 78 GPIO45/SDA1 SMB0_DAT I/OD 4.7K pull high to +3VA_EC 12 PCICLK CLK_PCI_EC I
19 GPIO0D DISTP_SW# I Internal pull high 79 GPIO46/SCL2 SMB1_CLK I/OD 10K pull high to +3V 22 VCC +3VA_EC P
20 GPIO0E/SCI# EXT_SCI# O 10K pull high to +3VSB 80 GPIO47/SDA2 SMB1_DAT I/OD 10K pull high to +3V 24 GND GND P
21 GPIO0F/PWM0 BL_PWM_DA O 81 GPIO48/KSO16 KB pin 28 I for KB type detection 33 VCC +3VA_EC P
23 GPIO10/PWM1 BAT_CRITICAL I Battery critical capacity 82 GPIO49/KSO17 KB pin 27 I for KB type detection 35 GND GND P
25 GPIO11/PWM2 PM_PWRBTN# OD Internal pull high in ICH 83 GPIO4A/PSCLK1 AUO_SCL O for AUO, default H at S0 37 ECRST# EC_RST# I 100K pull high to +3VA_EC
26 GPIO12/FANPWM1 FAN0_PWM O CPU Fan 84 GPIO4B/PSDAT1 AUO_SDA O for AUO, default L at S0 67 AVCC +3VACC P
27 GPIO13/FANPWM2 FAN1_PWM O VGA Fan 85 GPIO4C/PSCLK2 AUO_CSB O for AUO, default H at S0 69 AGND AGND P
28 GPIO14/FANFB1 FAN0_TACH I CPU FanTach 86 GPIO4D/PSDAT2 LVDD_EN I for AUO 7'' Panel 94 GND GND P
29 GPIO15/FANFB2 FAN1_TACH I VGA FanTach 87 GPIO4E/PSCLK3 TP_CLK I/OD 10K pull high to +3V 96 VCC +3VA_EC P
C C
30 GPIO16/E51_TX E51_TX O RS232 debug port 88 GPIO4F/PSDAT3 TP_DAT I/OD 10K pull high to +3V 111 VCC +3VA_EC P
31 GPIO17/E51_RX E51_RX I RS232 debug port 89 GPIO50/SELIO# BATSEL_3S O Battery series, H:3S, L:4S 113 GND GND P
32 GPIO18 PWR_SW# I Internal pull high 90 GPIO52/E51_CS# CHG_LED_UP# O 119 RD#/SPIDI SPI_SO I
34 GPIO19/PWM3 MAIL_LED# O 91 GPIO53/CAPLED CAP_LED# O 120 WR#/SPIDO SPI_SI O
36 GPIO1A/NUMLED NUM_LED# O 92 GPIO54 PWR_LED_UP O 112 XCLKI 32KXCLKI I
38 GPIO1D/CLKRUN# NC O 93 GPIO55/SCRLED SCRL_LED# O 123 XCLKO 32KXCLKO O
39 GPIO20/KSO0/TP_TEST KSO0 O 95 GPIO56 PWR4G_SW# I Internal pull high 124 V18R V18R P Reserved 1uF to GND
40 GPIO21/KSO1/TP_PLL KSO1 O 97 GPXOA00/SDICS# SPI_MODE# O 4.7K pull down to GND 125 VCC +3VA_EC P
41 GPIO22/KSO2 KSO2 O 98 GPXOA01/SDICLK SUSC_ON O 128 SPICS#/SELMEM# SPI_CE# O
42 GPIO23/KSO3 KSO3 O 99 GPXOA02/SDIDO VSUS_ON O
43 GPIO24/KSO4 KSO4 O 100 GPXOA03 CPU_VRON O
44 GPIO25/KSO5 KSO5 O 101 GPXOA04 SUSB_ON O
45 GPIO26/KSO6 KSO6 O 102 GPXOA05 ICH_PWROK O
46 GPIO27/KSO7 KSO7 O 103 GPXOA06 VOLT_CTRL O
B 47 GPIO28/KSO8 KSO8 O 104 GPXOA07 CHG_EN# O Battery charging enabled B

48 GPIO29/KSO9 KSO9 O 105 GPXOA08 PRECHG O
49 GPIO2A/KSO10 KSO10 O 106 GPXOA09 SPI_WP# O
50 GPIO2B/KSO11 KSO11 O 107 GPX0A10 OP_SD# O Audio OP
51 GPIO2C/KSO12 KSO12 O 108 GPXOA11 BAT_LEARN O
52 GPIO2D/KSO13 KSO13 O 109 GPXID0/SDIDI BATSEL_2P# O Battery parallel, H:1P, L:2P~3P
53 GPIO2E/KSO14 KSO14 O 110 GPXID1 NC O
54 GPIO2F/KSO15 KSO15 O 112 GPXID2 THRO_CPU O Active if CPU temperature over spec
55 GPIO30/KSI0 KSI0 I Internal pull high 114 GPXID3 SUSB# I 100K pull down to GND
56 GPIO31/KSI1 KSI1 I Internal pull high 115 GPXID4 SUSC# I 100K pull down to GND
57 GPIO32/KSI2 KSI2 I Internal pull high 116 GPXID5 CPUPWR_GD I Pull high to +3V
58 GPIO33/KSI3 KSI3 I Internal pull high 117 GPXID6 VSUS_GD I
59 GPIO34/KSI4 KSI4 I Internal pull high 118 GPXID7 NC O
60 GPIO35/KSI5 KSI5 I Internal pull high 121 GPIO57 INTERNET# I Internal pull high
61 GPIO36/KSI6 KSI6 I Internal pull high 126 GPIO57/SPICLK SPI_CLK O
A A
62 GPIO37/KSI7 KSI7 I Internal pull high 127 GPIO59/TEST_CLK NC O
63 GPI38/AD0 BAT_ICHG I

64 GPI39/AD1 BAT_CONFIG I Battery configureation
65 GPIO3A/AD2 BAT_SENSE I Battery Voltage Sensor Title : EC Pin Define
66 GPIO3B/AD3 BAT_TS I Battery Thermal Sensor ASUSTek Computer INC. Engineer: Jeff Li
Size Project Name Rev
68 GPO3C/DA0 DOC O Trigger Clock Gen
http://skema-laptop-motherboard.blogspot.com/ A3 1000HO_MB 1.0G
Date: Friday, January 23, 2009 Sheet 4 of 47
5 4 3 2 1
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CR1 1 2 1MOhm +3VSUS +3V_CLK +3V_CLK_VDDA
/X
CL1 CL2
1 2 1 2
CX1




1




1




1




1




1




1




1




1




1




1




1
CLK_XIN 1 2 CLK_XOUT 120Ohm/100Mhz CC1 CC2 CC3 CC4 CC5 CC6 CC7 CC8 CC9 CC10 CC11 120Ohm/100Mhz




1
10uF/10V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V CC46
D 14.318Mhz /X 0.1UF/16V D
1




1
CC14 07G010S01430 CC15




2




2




2




2




2




2




2




2




2




2




2
27PF/50V 27PF/50V




2
2




2
GND

GND GND




STP_PCI# CC21 1 2 0.1UF/16V S_SMB_DATA CC12 2 1 10PF/50V
/X /X
+3V_CLK_VDDA S_SMB_CLK CC13 2 1 10PF/50V
+3V_CLK STP_CPU# CC22 1 2 0.1UF/16V /X
+3V_CLK /X
CU1 CR16 /AR8132 GND
1 VDD1 25MHz 56 1 2 33Ohm CLK_25M 25
GND
2 GND1 PCI&PCIEX_STOP# 55 STP_PCI# 18
CLK_PEREQ#1 3 54 CLK_PCI_ICH CC36 2 1 10PF/50V
9 CLK_PEREQ#1 CLK_PEREQ#2 PEREQ1# CPU_STOP# CLK_FSLC STP_CPU# 18
4 53 CR3 1 2 33Ohm /X
24 CLKREQ#_MINICARD CLK_FS4 PEREQ2# REF0/FSLC CLK_PEREQ#3 CLK_REF_ICH 18
CR8 1 2 33Ohm 5 52 CLK_PCI_EC CC37 2 1 10PF/50V
34 CLK_PCI_DEBUG FS4/PCICLK0 DOC_PEREQ3#/SELDOC# DOC 32
/X CR9 1 2 22Ohm 6 51 /X
33 CLK_PCI_UART CR10 GND2 GND4 CLK_XIN
32 CLK_PCI_EC 1 2 22.6OHM 7 VDDPCI X1 50 CLK_PCI_DEBUG CC38 2 1 10PF/50V
CR11 1 2 22.6OHM CLK_ITP_EN 8 49 CLK_XOUT /X
17 CLK_PCI_ICH /X CR4 CLK_SEL_48# ITP_EN/PCICLK_F0 X2
33 CLK_48M_UART 1 2 22Ohm 9 SEL12_48#/12_48MHz VDDREF 48 CLK_REF_ICH CC39 2 1 10PF/50V
CR12 1 2 33Ohm 10 47 /X
29 CLK_48M_READER 42,45 VCCP_PWRGD Vtt_PwrGd/PD# SDATA S_SMB_DATA 18
11 46 CLK_48M_USB CC40 2 1 10PF/50V
VDD2 SCLK S_SMB_CLK 18
C
18 CLK_48M_USB
CR5 1 2 33Ohm CLK_FSLA 12 FSLA/USB_48MHz GND5 45 /X C
13 44 CLK_BCLK0 CLK_48M_UART CC41 2 1 10PF/50V
CLK_96M GND3 CPUT_LR0 CLK_BCLK#0 CLK_BCLK_CPU 6
14 43 /X
9 CLK_96M_UMA CLK_96M# DOTT_96MHzLR CPUC_LR0 CLK_BCLK_CPU# 6
15 42 CLK_PCI_UART CC42 2 1 10PF/50V
9 CLK_96M_UMA# CLK_FSLB DOTC_96MHzLR VDDCPU CLK_BCLK1 /X
16 FSLB CPUT_LR1 41 CLK_BCLK_MCH 8
CLK_LCD 17 40 CLK_BCLK#1 CLK_48M_READER CC45 2 1 10PF/50V
9 CLK_LCD_LVDS CLK_LCD# PCIeT_LR0 CPUC_LR1 CLK_BCLK_MCH# 8
18 39 /X
9 CLK_LCD_LVDS# CLK_PCIE1 PCIeC_LR0 RESET# CLK_PCIE_LAN CC1012
10 CLK_PCIE_MCH 19 PCIeT_LR1 GNDA 38 1 10PF/50V
CLK_PCIE#1 20 37 /X
10 CLK_PCIE_MCH# PCIeC_LR1 VDDA CLK_BCLK2 CLK_PCIE_LAN# CC1022 10PF/50V
21 VDDPCIEX1 CPUITPT_LR2/PCIeT_LR6 36 CLK_BCLK_ITP 6 1
CLK_PCIE2 22 35 CLK_BCLK#2 /X
23 CLK_PCIE_3GCARD CLK_PCIE#2 PCIeT_LR2 CPUITPC_LR2/PCIeC_LR6 CLK_BCLK_ITP# 6
23 CLK_PCIE_3GCARD# 23 PCIeC_LR2 VDDPCIEX3 34
CLK_PCIE3 24 33 CLK_PCIE5 CLK_SATA_ICH CC105 2 1 5PF/50V
24 CLK_PCIE_MINICARD CLK_PCIE#3 PCIeT_LR3 PCIeT_LR5 CLK_PCIE#5 CLK_PCIE_ICH 17
25 32 /X
24 CLK_PCIE_MINICARD# CLK_SATA PCIeC_LR3 PCIeC_LR5 CLK_PCIE4 CLK_PCIE_ICH# 17 CLK_SATA_ICH#
26 31 CC106 2 1 5PF/50V
16 CLK_SATA_ICH CLK_SATA# SATACLKT_LR PCIeT_LR4 CLK_PCIE#4 CLK_PCIE_LAN 25
27 30 /X
16 CLK_SATA_ICH# SATACLKC_LR PCIeC_LR4 CLK_PCIE_LAN# 25
28 VDDPCIEX2 GND6 29
CLK_FS4 CC107 2