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1 2 3 4 5




LT-71 Block Diagram SYSTEM DC/DC
TPS51120 43


INPUTS OUTPUTS
5V_S5
CLK GEN Intel CPU DCBATOUT
ICS9LPR333 3D3V_S5
3 One Key
A
Over-Clocking Extreme/Meron 2M/4M SV SYSTEM DC/DC A


FSB:667 or 800 MHz TPS51124 44

Thermal Sensor/ Fan control 4~7
INPUTS OUTPUTS
GMT 792 26 1D8V_S3
Host BUS DCBATOUT 1D05V_S0
DISCRETE solution
667/800MHz ATI VGA HDMI CHARGER
21
MXM CARD discrete only MAX 8725 47
DDRII Slot 1 PCIe x16 M76M
DDRII 667 Channel A Crestline-GM INPUTS OUTPUTS
533/667 15 256/512MB GDDR2 VGA OUT/ IN17
48~57
AGTL+ CPU I/F DDR I/F
UMA solution DCBATOUT BT+
DDRII Slot 2 INTEGRATED GRAHPICS
DDR II 667 Channel B 17" WXGA LCD 20
533/667 16 LVDS, CRT I/F
8~14
CPU DC/DC
ADP3208 46
B Novatek Switch B
1394 1394 DMI I/F
VGA Capture IN INPUTS OUTPUTS
30
Ricoh 100MHz NT68625H
18,19 Switch DCBATOUT VCC_CORE
R5C833 PCI
SD/MMC
CardReader
MS/MS Pro/xD
30 29 INTEL BLUE Display panel
TOOTH 30 H-STN


RJ45
BOARDCOM PCIE ICH8-M USB 2.0 USB x 4 27 CAMERA
BCM5906/5787M
CONN 34
10/100M/1000M33 10 USB 2.0/1.1 ports
ETHERNET (10/100/1000Mb) HDD 2
SATA SATA-HDD
28
CASTLE High Definition Audio
RJ11 With SATA to USB board
ML3054 ATA 66/100
CONN 34 27
PATA ODD 28
ACPI 1.1
C C
LPC I/F
REALTEK AZALIA PCI/PCI BRIDGE LPC Bus
HD AUDIO 22~25
EXT MIC CODEC
ALC888S
Array INT Debug Conn
PCIE x 1




MIC 35
PCIE+USB 2.0 KBC1 41
SPI Bus I2C Bus
WBC8763 40
HP

SPDIF
2 x 2W
Main Speaker OP AMP
Thermal
APA2031 Mini-Card Mini-Card Flash ROM Touch Int. AV Panel CIR
36 New Card & Fan 40
D
34 802.11a/b/g/n TV-Tuner/ 1MB 40 Pad 39 KB39 51 LT71 D
G792 26
2 x 1.5W 29 WWAN 29
Secondary OP AMP Wistron Corporation
Speaker 21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
APA2031
36 Mini-Card Taipei Hsien 221, Taiwan, R.O.C.
Robson Title
Power Switch 30
1 x 3.1W OP AMP
GMT G577
Block Diagram
Size Document Number Rev
Sub-woofer APA3011 37 34
A3 LT71 SC
Date: Tuesday, September 25, 2007 Sheet 1 of 53
1 2 3 4 5
A B C D E
23,25 +RTCVCC +RTCVCC

4,5,6,7,8,11,12,13,23,25,44 1D05V_S0 1D05V_S0

10,12,25,45 1D25V_S0 1D25V_S0

33 1D2V_LAN_S5 1D2V_LAN_S5

34 1D5V_NEW_S0 1D5V_NEW_S0

4
10,12,13,15,16,19,44,45 1D8V_S3 1D8V_S3

33,34 2D5V_LAN_S5 2D5V_LAN_S5



20,26,27,38,39,40,43,47,48 3D3V_AUX_S5 3D3V_AUX_S5

33,34 3D3V_LAN_S5 3D3V_LAN_S5

3,10,11,12,13,15,16,17,18,19,20,21,22,23,24,25,26,28,29,30,31,32,33,34,35,38,40,41,43,44,46,49,50,51,52,53 3D3V_S0 3D3V_S0

22,23,24,25,27,28,31,32,33,34,38,40,41,43,49 3D3V_S5 3D3V_S5

26,31,43 5V_AUX_S5 5V_AUX_S5



17,20,21,24,25,26,28,35,36,37,39,40,46,49,50,51,53 5V_S0 5V_S0

25,27,39,40,43,44,45,49,51 5V_S5 5V_S5

47,48 AD+ AD+

20,26,43,44,46,47,49,50,53 DCBATOUT DCBATOUT

10,15,16,45 DDR_VREF_S3 DDR_VREF_S3
3
20 LCDVDD_S0 LCDVDD_S0

5,6,46 VCC_CORE_S0 VCC_CORE_S0




2




LT71
1
Wistron Corporation
21F, 88, Sec.1, Hsin Tai Wu Rd., Hsichih,
Taipei Hsien 221, Taiwan, R.O.C.

Title

Table of Content
Size Document Number Rev
A3
LT71 SC
Date: Tuesday, September 25, 2007 Sheet 2 of 53
5 4 3 +CK_VDD_A 2
+CK_VDD_48 +CK_VDD_REF 1




1




1




1




1




1
C552 C559 C583 C582 C253
SC4D7U6D3V3KX-GP SCD047U10V2KX-2GP SC4D7U6D3V3KX-GP SCD047U10V2KX-2GP SCD047U10V2KX-2GP




2




2




2




2




2
L23 R419 L22

D 3D3V_S0 1 2 +CK_VDD_MAIN2 +CK_VDD_A 1 2 +CK_VDD_MAIN 2 1 3D3V_S0




SC10U6D3V5MX-3GP
SCD1U10V2KX-4GP



SCD1U10V2KX-4GP




SCD1U10V2KX-4GP




SCD1U10V2KX-4GP




SCD1U10V2KX-4GP




SCD1U10V2KX-4GP
BLM21PG600SN-1GP BLM21PG600SN-1GP




1




1



1




1




1




1




1




1




1
C579



C576




C578




C251




C557




C584




C585
2D2R3J-2-GP C571 68.00084.791
C581 DY SCD1U10V2KX-4GP
SC10U6D3V5MX-3GP




2




2



2




2




2




2




2




2




2
1 2 FSC
4 CPU_BSEL2 R137 10KR2J-3-GP
1 2 FSB
4 CPU_BSEL1 R159 0R2J-2-GP
1 2 FSA
4 CPU_BSEL0 R150 2K2R2J-2-GP
R115
CK_PWRGD 24
R160 1 2 1KR2J-1-GP MCH_CLKSEL0 10 1 2 +CK_VDD_REF R117
1R3F-GP PGMODE 1 DY 2 3D3V_S0
R439
R166 1 2 1KR2J-1-GP MCH_CLKSEL1 10 10KR2J-3-GP
1 2 +CK_VDD_48
R136 1 2 1KR2J-1-GP MCH_CLKSEL2 10 1 R116 2
DY 10KR2J-3-GP
2R3J-2-GP




40

65
54
49

36
30

18
12




39
7




1




9
U25
RN36




VDDA
VDD_48

VDD_SRC
VDD_SRC
VDD_SRC




VTT_PWRGD#/PD
VDD_PCI
VDD_PCI

VDD_REF
VDD_CPU
VDD_SRC




VSS_CPU
ICH_SMBDATA 15,16,24
CLK_CPU_BCLK# 1 4 CPU_BCLK#
4 CLK_CPU_BCLK# ICH_SMBCLK 15,16,24
CLK_CPU_BCLK 2 3 CPU_BCLK 2 3 RN50
4 CLK_CPU_BCLK DREFCLKSS_100M 10
1 UMA 4 SRN33J-5-GP-U DREFCLKSS_100M# 10
SRN33J-5-GP-U 13 17
RN37 CPUC0 SDATA RN51
14 CPUT0 SCLK 16 2 3 CLK_PCIE_SATA 23
CLK_MCH_BCLK# 1 4 MCH_BCLK# 10 1 4 SRN33J-5-GP-U
8 CLK_MCH_BCLK# CLK_MCH_BCLK MCH_BCLK CPUC1 CLK_PCIE_SATA# 23
8 CLK_MCH_BCLK 2 3 11 CPUT1 DREFCLKSS100 RN52
C 24 H_STP_CPU#
SRN33J-5-GP-U H_STP_CPU# 24 CPU_STP#
SRCT_0/LCD100MT
SRCC_0/LCD100MC
47
48
50
DREFCLKSS100#
PCIE_SATA
2
1
3
4 SRN33J-5-GP-U
CLK_PCIE_LAN 33
CLK_PCIE_LAN# 33