5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Revision 1.0
SHEET TITLE
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
SHEET TITLE
23
24
25
26
27
28
29
30
31
BOM & PCB MODIFY HISTORY
COVER SHEET
P4_LGA775_A
P4_LGA775_B,D
P4_LGA775_C
P31_HOST
P31_DDRII
DDRII CHANNEL B
DDRII TERMINATION
ICH7 PCI, USB, DMI, LAN
ICH7 IDE, GPIO, SATA, CTRL
ICH7 VCC, GND
PCI SLOT 1,2,PCIE*1
CK505 CLOCK.
IDE/FLOPPY
COM_LPT
CI,HWM,KB/MS,DUAL BIOS
ALC888
32
33
BLOCK DIAGRAM
P31_PWR
REAR AUDIO JACK
ITE 8718 GB/GX
PCI EXPRESS*16 SLOT
Model Name:GA-P31-ES3G
VCORE PWM_ISL6312
DISCRETE POWER
DDRII CHANNEL A
P31_GND
P31_VGA
P31_PCI E, DMI
P4_LGA775_E,F,G,H
ATX, OTHERS POWER
FRONT PANEL
REALTEK RTL8111C
34 PCI SLOT3,PCIE*2,3
GA-P31-ES3G 1.0
Cover Sheet
Gigabyte Technology
Custom
1 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
PDF "pdfFactory Pro" www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
BLOCK DIAGRAM
VCC3
INTEL Pentium4LGA775
VCORE = 1.4V
VCORE = 1.75V / SLEEP : 1.3V
P31
2_5VSTR = 2.5V(MEMORY)
VDDQ = 1.5V (AGP POWER 4X, HUBLINK)
DDRII DIMM X 1
+12V = 12V
VDDQ = 1.5V (AGP POWER 4X)
3VDUAL = 3.3V
VCC3 = 3.3V
VCC = 5V
CLOCK GENERATOR
CKVDD = 3.3V
VCC3 = 3.3V
AVDD = 5V
VCC = 5V 5VSB = 5V
RTCVDD = 3.3V
-12 = -12V
VCC = 5VVCC3 = 3.3V
COMA
FRONT AUDIO
VCC3 = 3V
LPT
VBAT = 3V
MIC
3VDUAL = 3.3V(SUSPEND POWER)
LIN_ OUT
+12 = 12V
CD_IN
PCI BUS
LPC BUS
VCC = 5V
ICH7
USB PORTS 0~7
+12V = 12V
PS2LINE_IN
AUDIO PORTS :
3VDUAL = 3V
LPC I/O ITE8718GB
I/O PORTS :
FDD
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
PVCC = 5V
FRONT PANEL /CPU FAN
+12 = 12V
5VSB = 5V
VCC = 5V
PCI SLOT1,2,3
PCI EXPRESS X16
1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
DDRII DIMM X 1
VTT_DDR = 0.9V
CHANNEL A
CHANNEL B
IDE Primary
VCC = 5V
SERIAL ATA
VCC = 5V
SPI DUALBIOS
VCC = 5V
VCC3 = 3V
ALC888
1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V
PCIEXPRESS_1,2,3 X1
LAN 8111C
GA-P31-ES3G 1.0
BOM & PCB MODIFY HISTORY
Gigabyte Technology
Custom
2 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
PDF "pdfFactory Pro" www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Version: 1.0
Component value change history
Circuit or PCB layout changefor next version
DATE Change Item Reason
Data Change Item Reason
2007/08/02
Model Name:GA-P31-ES3G
2007/08/03 EBOM:9MG31MS2L-00-10B
2007/08/08
PCB:1.0 1.由GA-G31M-S2L-1.01修改
2.ADD 1 PCI SLOT,2 PCIE SLOT
2007/08/22
EBOM:10A 1.G31 CHIP -->P31 CHIP, remove VGA function,add comb port
2.ADD 1 PCI SLOT,2 PCIE SLOT
2007/09/07
PCB:1.0 1.由GA-P31-S3E-1.0 rename GA-P31-S3G-1.0
2007/09/10
PBOM:10A 1.R375 8.2K-->1K ,R1951 1K-->8.2K
2.R327 2.67K-->649 ,R325 8.45K-->1M,DR37 1.4K-->1.54K,DR30 330-->365
3.R2913 1.18K-->2.21K,R2914 360-->931
2008/05/14
PCB:1.1 1.由 GA-P31-S3G-1.0修改,ADD DES LITE ,FERRITE CHOKE
2008/05/14
PBOM:11A 1.ADD DES LITE ,FERRITE CHOKE
2.B0 CHIP , SMD POLY FUSE
2008/06/12
PCB:2.01 1.由 GA-P31-S3G-1.1修改
2.ALC662--->ALC883,ADD RCA IN REAR-->ALC888;RTL8111C
3.DUAL BIOS 4M;DUAL BIOS
4.SUPPORT CPU FSB 1600
2008/06/26
EBOM:20B 1.20A BOM為 PCB2.0使用,故以20B FOR PCB:2.01
2.修改為RTM587 CLOCK GEN,RTL8111C,ALC883,DUAL BIOS,FORNT USB ADD PROTECT DIODE
2008/07/21
PBOM:10A 1.ALC883--->888; DR30 316-->365 ;BC747 0.1U\Y5V-->X7R;IDE red--->green
2008/07/18
PCB:1.0 1.由 GA-P31-S3G-2.01 rename GA-P31-ES3G 1.0
2.移除EASY SAVER文字面
2.ADD C1908 10PF / R1896 1K-->330 ohm add c1908 22pf ,22ohm--->0ohm for bios CS0
glitch issue
3.DEL R2935, ADD R2936 FOR MAIN POWER BIOS---rechard 說的
2008/07/31
PBOM:10B 1.DQ13 2N7002--->MMBT2222A FOR CPU FSB LATCH ERROR ISSUE
2008/08/21
PBOM:10C 1.CLOCK GEN POWER CAP 0.1U/Y5V---->0.1U/X7R FOR CPU INFORMATION FAIL ISSUE
2.ADD PCB CR ,CL
GA-P31-ES3G 1.0
BOM & PCB MODIFY HISTORY
Gigabyte Technology
Custom
3 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
PDF "pdfFactory Pro" www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
中間值0.9V
LGA775-39
GA-P31-ES3G 1.0
P4_LGA775-A
Gigabyte Technology
B
4 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
-BR0
-HREQ3
-BPRI
-DRDY
-DBSY
-HTRDY
-HREQ4
-HITM
-HLOCK
-HADSTB0
GTLREF0
GTLREF1
GTLREF0
-IERR
-CPURST
GTLREF1
HA[3..16]
HA5
HA4
HA16
HA14
HA11
HA10
HA3
HA12
HA6
HA8
HA15
HA7
HA9
HA13
HA17
-HREQ0
-HREQ2
-HREQ1
HA18
HA[17..35]
HA21
HA27
HA26
HA34
HA20
HA24
HA29
HA33
HA19
HA35
HA25
HA30
HA23
HA31
HA28
HA32
HA22
-HADSTB1
-BNR
-HADS
-HIT
-IERR
TESTHI10
-BR0
TESTHI8
TESTHI9
-RS0
-RS1
-RS2
-CPURST
GTLREF_MCH
-HINIT
-DEFER
GTLREF0
GTLREF1
TESTHI10
TESTHI8
TESTHI9
HA[3..16]8
-HTRDY 8
-DRDY 8
-DBSY 8
-HREQ48
-HREQ38
-HLOCK 8
-HITM 8
-HREQ08
-HREQ28
-HREQ18
HA[17..35]8
-HADSTB08
-HADSTB18
-BNR 8
-HADS 8
-HIT 8
-DEFER 8
-BPRI 8
-HINIT 19
-BR0 8
-RS0 8
-RS2 8
-RS1 8
GTLREF_MCH 8
-CPURST 8
GTLREF2 6
GTLREF3 6
GTLREF_UV024
GTLREF_UV124
VTT_OL
VTT_OL
VTT_OR
VTT_OR
VTT_OR
VTT_OR
VCORE
VCORE
VCC3
+12V
+12V
VCC3
R7
100/6/1
G S
D Q360
2N7002/SOT23/25pF/5
2 1
3
SOT23
Q361
MMBT2222A/SOT23/600mA/40
1
3
2
R2867
1K/4/1
C2
1u/6/Y5V/10V/Z
TP_CPU2
TP_CPU3
BC4
10u/12/X7R/6.3V/K
G S
D Q362
2N7002/SOT23/25pF/5
2 1
3
BC7
10u/12/X7R/6.3V/K
(1/8)
LGA775
LGA775A
CPU-SK/775/S/GF
L5
P6
M5
L4
M4
R4
T5
U6
T4
U5
U4
V5
V4
W5
N4
P5
K4
J5
M6
K6
J6
R6
AB6
W6
Y6
Y4
AA4
AD6
AA5
AB5
AC5
AB4
AF5
AF4
AG6
AG4
AG5
AH4
AH5
AJ5
AJ6
AC4
AE4
AD5
D2
C2
D4
H4
G8
B2
C1
E4
AB2
P3
C3
E3
AD3
G7
AB3
U2
U3
F3
G3
G4
H5
J16
H15
H16
J17
H1
H2
E24
H29
G23
B3
F5
A3
A<3>*
A<4>*
A<5>*
A<6>*
A<7>*
A<8>*
A<9>*
A<10>*
A<11>*
A<12>*
A<13>*
A<14>*
A<15>*
A<16>*
RSVD_3
RSVD_4
REQ<0>*
REQ<1>*
REQ<2>*
REQ<3>*
REQ<4>*
ADSTB<0>*
A<17>*
A<18>*
A<19>*
A<20>*
A<21>*
A<22>*
A<23>*
A<24>*
A<25>*
A<26>*
A<27>*
A<28>*
A<29>*
A<30>*
A<31>*
A<32>*
A<33>*
A<34>*
A<35>*
RSVD_1
RSVD_2
ADSTB<1>*
ADS*
BNR*
HIT*
RSP*
BPRI*
DBSY*
DRDY*
HITM*
IERR*
INIT*
LOCK*
TRDY*
BINIT*
DEFER*
MCERR*
AP<0>*
AP<1>*
BR<0>*
TESTHI_8
TESTHI_9
TESTHI_10
DP<0>*
DP<1>*
DP<2>*
DP<3>*
GTLREF0
GTLREF1
GTLREF2
GTLREF_SEL
RESET*
RS<0>*
RS<1>*
RS<2>*
BC736
1u/6/Y5V/10V/Z
BC6
10u/12/X7R/6.3V/K
BC2
10u/12/X7R/6.3V/K
R2862
1K/4/1
R2863
1K/4/1
BC3
10u/12/X7R/6.3V/K
C1
1u/6/Y5V/10V/Z
R2868
1K/4/1
BC5
10u/12/X7R/6.3V/K
R8 62/6
TP_CPU19
BC8
10u/12/X7R/6.3V/K
TP_CPU17
BC1
10u/12/X7R/6.3V/K
R2860 0/6/X
TP_CPU20
TP_CPU18
R1 49.9/6/1
TP_CPU1
TP_CPU4
RN1
62/8P4R/6
1 2
3 4
5 6
7 8
SOT23
Q363
MMBT2222A/SOT23/600mA/40
1
3
2
R12 62/6
TP_CPU5
R2859
1.3K/4/1
R3
100/6/1
TP_CPU6
TP_CPU16
R5 49.9/6/1
R10 62/6
R2864
576/6/1
PDF "pdfFactory Pro" ÿÿ www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
TO CLK GEN TO NB
CHECK BSEL0/1 ITE8712 POWER ON 時電壓是否會高於1.2V
FOR ALL DDR CLK RATIO
FSBSEL0 Clock
1
266MHz
400/533/667/800
0
0
0
133MHz
333MHz 2/2.4
3/4
0
400/533
G31 1
2/2.5/3/4
FSC
2/2.66/3.33/4+0
FSA
?
667/800
0
1
G31 0
1
1
0?
FSB
FSBSEL2
G31
533/667/800/1066
200MHz
100MHz0
FSBSEL1
0
FORCE 400MHz CPU TO333MHz
400MHz0 1 1
GA-P31-ES3G 1.0
P4_LGA775-B,D
Gigabyte Technology
Custom
5 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
HD0
-DBI0
STBP0
STBN0
HD15
HD7
HD5
HD9
HD6
HD11
HD1
HD14
HD13
HD8
HD12
HD4
HD10
HD[0..15]
HD2
HD3
HD26
HD[16..31]
HD17
HD24
HD21
HD28
HD23
HD19
HD22
HD27
HD31
HD18
HD25
HD20
HD29
HD30
HD16
STBN1
-DBI1
STBP1
-DBI2
STBP2
STBN2
HD[32..47]
HD42
HD44
HD47
HD40
HD43
HD45
HD41
HD46
HD34
HD36
HD39
HD32
HD35
HD37
HD33
HD38
HD52
HD59
HD61
HD58
HD53
HD57
HD62
HD54
HD63
HD49
HD51
HD50
HD48
HD56
HD[48..63]
HD60
HD55
-DBI3
STBP3
STBN3
-TRST
-BPM5
TCK
TDO
-BPM4
VR_RDY
-BPM5
TCK
-BPM0
-TRST
-SYS_RST
FSBSEL22
TMS
-BPM2
-BPM4
FSBSEL0
TDI
-BPM3
VR_RDY
TDO
-BPM1
FSBSEL2
FSBSEL1
FSBSEL0 BSEL0
BSEL1
BSEL2
FSBSEL1
-BPM0
-BPM1
FSBSEL2
TDI
-BPM2
-BPM3
TMS
FSBSEL22
FSBSEL0
FSBSEL1
FSBSEL0
BSEL11
BSEL11
FSBSEL2
BSEL22
BSEL1
BSEL0
BSEL22
FSBSEL1
BSEL2
BSEL00
BSEL00
FSBSEL1
FSBSEL2
HD[0..15]8
-DBI08
STBN08
STBP08HD[16..31]8
STBN18
STBP18
-DBI18
-DBI2 8
STBN2 8
STBP2 8
HD[32..47] 8
HD[48..63] 8
STBP3 8
STBN3 8
-DBI3 8
-SYS_RST19,21,32
VR_RDY 30
BSEL1 11
BSEL2 11
BSEL0 11FSBSEL021
FSBSEL121
FSBSEL221
BSEL166_224
BSEL166_124
BSEL166_324
BSEL166_324
BSEL166_324
BSEL166_424
VTT_OR
VTT_OR
VTT_OL
VTT_GMCH
VTT_GMCH
VTT_GMCH
VTT_GMCH
VTT_GMCH
VTT_GMCH
VTT_GMCH
VTT_GMCH
SOT23
Q372
MMBT2222A/SOT23/600mA/40
1
3
2
R593 1K/4/1
RN2 470/8P4R/6
1 2
3 4
5 6
7 8
SOT23
Q368
MMBT2222A/SOT23/600mA/40
1
3
2
R2906
1K/4
SOT23
Q365
MMBT2222A/SOT23/600mA/40
1
3
2
SOT23
Q367
MMBT2222A/SOT23/600mA/40
1
3
2
RN3 62/8P4R/6
1 2
3 4
5 6
7 8
(4/8)
LGA775
LGA775D
CPU-SK/775/S/GF
A29
B25
B29
B30
C29
A26
B27
C28
A25
A28
A27
C30
A30
C25
C26
C27
B26
D27
D28
D25
D26
B28
D29
D30
AM6
AA1
J1
F27
F23
D14
E6
E5
J3
D1
AE1
AD1
AF1
AC1
AG1
AJ2
AJ1
AD2
AG2
AF2
AG3
AC2
AK3
AJ3
G29
H30
G30
N5
C9
E7
AE6
D16
A20
E23
VTT_1
VTT_2
VTT_3
VTT_4
VTT_5
VTT_6
VTT_7
VTT_8
VTT_9
VTT_10
VTT_11
VTT_12
VTT_13
VTT_14
VTT_15
VTT_16
VTT_17
VTT_18
VTT_19
VTT_20
VTT_21
VTT_22
VTT_23
VTT_24
VTT_PWRGD
VTT_OUT_1
VTT_OUT_2
VTT_SEL
EXTBGREF
SFRANAD
SFRANAC
DCLKPH
ACLKPH
HFPLL
TCK
TDI
TDO
TMS
TRST*
BPM<0>*
BPM<1>*
BPM<2>*
BPM<3>*
BPM<4>*
BPM<5>*
DBR*
ITPCLK<0>
ITPCLK<1>
BSEL<0>
BSEL<1>
BSEL<2>
SPARE0
SPARE1
SPARE2
SPARE4
NC_DSS2
NC_DSS3
NC
R2908
470/4
R2923
470/4
R2905
470/4
TP_CPU8
TP_CPU9
R2902
470/4
C7
1u/6/Y5V/10V/Z
RN4 62/8P4R/6
1 2
3 4
5 6
7 8
TP_CPU27
R1942
2.2/6/X
G S
D
SOT23
Q364
2N7002/SOT23/25pF/5
2 1
3
R23 62/6
R14 8.2K/4/X
G S
D
SOT23
Q366
2N7002/SOT23/25pF/5
2 1
3
(2/8)
LGA775
LGA775B
CPU-SK/775/S/GF
B4
C5
A4
C6
A5
B6
B7
A7
A10
A11
B10
C11
D8
B12
C12
D11
A8
C8
B9
G9
F8
F9
E9
D7
E10
D10
F11
F12
D13
E13
G13
F14
G14
F15
G15
G11
G12
E12
G16
E15
E16
G18
G17
F17
F18
E18
E19
F20
E21
F21
G21
E22
D22
G22
D19
G20
G19
D20
D17
A14
C15
C14
B15
C18
B16
A17
B18
C21
B21
B19
A19
A22
B22
C20
A16
C17
D<0>*
D<1>*
D<2>*
D<3>*
D<4>*
D<5>*
D<6>*
D<7>*
D<8>*
D<9>*
D<10>*
D<11>*
D<12>*
D<13>*
D<14>*
D<15>*
DB1<0>*
DSTBN<0>*
DSTBP<0>
D<16>*
D<17>*
D<18>*
D<19>*
D<20>*
D<21>*
D<22>*
D<23>*
D<24>*
D<25>*
D<26>*
D<27>*
D<28>*
D<29>*
D<30>*
D<31>*
DB1<1>*
DSTBN<1>*
DSTBP<1>
D<32>*
D<33>*
D<34>*
D<35>*
D<36>*
D<37>*
D<38>*
D<39>*
D<40>*
D<41>*
D<42>*
D<43>*
D<44>*
D<45>*
D<46>*
D<47>*
DBI<2>*
DSTBN<2>*
DSTBP<2>
D<48>*
D<49>*
D<50>*
D<51>*
D<52>*
D<53>*
D<54>*
D<55>*
D<56>*
D<57>*
D<58>*
D<59>*
D<60>*
D<61>*
D<62>*
D<63>*
DBI<3>*
DSTBN<3>*
DSTBP<3>
R15 8.2K/4/X
R2900
1K/4
R13
1K/4/1/X
R20 62/6
R1941 2.2/6
R2904
8.2K/4
G S
D
SOT23
Q369
2N7002/SOT23/25pF/5
2 1
3
R16 8.2K/4/X
TP_CPU7
R2903
1K/4
R2907
8.2K/4
R2901
8.2K/4
R22 62/6
PDF "pdfFactory Pro" ÿÿ www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
Note:
VCCA & VCOREPLL
define doesn't same as
old P4 design kit
As close as possible to
CPU socket
Trace width doesn't
less than 12 Mil
Place outside of CPU socket
PECI:Platform Environment Control Interface
GA-P31-ES3G 1.0
P4_LGA775-C
Gigabyte Technology
B
6 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
-THRMTRIP
TESTHI2_7
COMP2
COMP3
COMP1
COMP0
-FERR
COMP5
COMP4
-PROCHOT
COMP6
COMP7
VRD_SEL
COMP8
TESTHI0
VCC_PLL
CPU_G1
TESTHI_M
TESTHI11
GTLREF3
MSID1
COMP5
PECI
CPUPWROK
-SKTOCC
COMP4
-IGNNE
-FERR
MSID0
COMP7
COMP1
TESTHI1
VSSA
GTLREF3
-FORCEPR
VCOREPLL
VSSA
VCCA
TESTHI_M
VCC_PLL
CPUCLK
GTLREF2
GTLREF2
COMP3
COMP0
-THRMTRIP
-A20M
COMP6
COMP2
-PROCHOT
TESTHI11
VCCA
-SMI
CPU_G1
TESTHI13
VRD_SEL
-STPCLK
VCOREPLL
TESTHI2_7
COMP8
TESTHI12
TESTHI0
-CPUCLK
NMI
INTR
VID3
VID5
VID2
VID1
VID0
VID7
VID4
VID6
VID[0..7]
TESTHI13
TESTHI1
TESTHI12
VID0
VID5
VID1
VID3
VID2
VID7
VID4
VID6
-PROCHOT 32
CPUCLK21
INTR19
-FERR19
VID[0..7]24,30
-THRMTRIP 19
-CPUCLK21
-A20M19
-SMI19
CPU_TEMP24
PECI24
-SKTOCC19
-STPCLK19
NMI19
CPUPWROK 19
THERMDC24
VRD_SEL30
-IGNNE19
-FORCEPR 32
GTLREF3 4
GTLREF2 4
VSS_SENSE30
VCC_SENSE30
VTT_OL
VTT_OL
VTT_OR
VTT_OR
VCC1_5
VTT_GMCH
VTT_GMCH
VCORE
C10
1u/6/Y5V/10V/Z
RN6 680/8P4R/6
1 2
3 4
5 6
7 8
R39 130/6/1
R1776 62/6
C11
1u/6/Y5V/10V/Z
R29 62/6
R41 62/6
FB33 0/8/SHT/X
R42 62/6
C1896
1n/4/X7R/50V/K
TP_CPU21
R53 62/6
R33 49.9/6/1
R56 49.9/6/1
R55 62/6
TP_CPU13
R38 24.9/6/1
R1775 62/6
C8
1u/6/Y5V/10V/Z
R37 49.9/6/1
C351
1u/6/Y5V/10V/Z
R35
0/6/SHT/X
L1 10uH/8/155mA/0.5/S R36 49.9/6/1
C349
1u/6/Y5V/10V/Z
TP_CPU26
C350
0.1u/4/Y5V/16V/Z
RN5 62/8P4R/6
1 2
3 4
5 6
7 8
C16
1u/6/Y5V/10V/Z
R31 49.9/6/1
TP_CPU24
R30 49.9/6/1
R58 680/6
C17
1u/6/Y5V/10V/Z
RN7 680/8P4R/6
1 2
3 4
5 6
7 8
TP_CPU25
L2 10uH/8/155mA/0.5/S
R34 49.9/6/1
R28 49.9/6/1
R666 1K/4/1/X
R32 49.9/6/1
C9
1u/6/Y5V/10V/Z
TP_CPU22
+
1
EC174
1000u/D/6.3V/8C/36m
LGA775
(3/8)
LGA775C
CPU-SK/775/S/GF
P2
K3
R3
K1
L1
N2
M3
A23
B23
C23
D23
AM2
AL5
AM3
AL6
AK4
AL4
AM5
AM7
AN7
F28
G28
AE8
AL1
AK1
AJ7
AH7
AN3
AN4
AN5
AN6
AL8
AL7
F29
F6
G6
G5
AL3
F26
W3
F25
G25
G27
G26
G24
F24
P1
W2
L2
AK6
N1
AL2
M2
A13
T1
G2
R1
J2
T2
Y3
AE3
B13
G1
U1
A24
E29
F2
G10
AH2
V1
W1
Y1
V2
AA2
SMI*
A20M*
FERR*/PBE*
LINT0
LINT1
IGNNE*
STPCLK*
VCCA
VSSA
VCCIOPLL
VCC_PLL
VID<0>
VID<1>
VID<2>
VID<3>
VID<4>
VID<5>
VID<6>
VID<7>
VID_SELECT
BCLK<0>
BCLK<1>
SKTOCC*
THERMDA
THERMDC
THERMDA_2
THERMDC_2
VCC_SENSE
VSS_SENSE
VCC_MB_REGULATION
VSS_MB_REGULATION
VCC_D_SENSE
VSS_D_SENSE
VTT_PKGSENSE
Z60_50*
SLEW_CTRL*
SST_LV*
MPG_NOBOOT*
TESTHI_0
TESTHI_1
TESTHI_2
TESTHI_3
TESTHI_4
TESTHI_5
TESTHI_6
TESTHI_7
TESTHI_11
TESTHI_12
TESTHI_13
FORCEPH
PWRGOOD
PROCHOT*
THERMTRIP*
COMP<0>
COMP<1>
COMP<2>
COMP<3>
COMP<4>
COMP<5>
COMP<6>
COMP<7>
COMP<8>
RC1
RC2
RC4
RC5
RSVD_1
RSVD_2
PSMI*
MSID<1>
MSID<0>
CPU_BOOT
LL_ID<0>
LL_ID<1>
TP_CPU12
TP_CPU23
C12
0.1u/4/Y5V/16V/Z
R40 62/6
PDF "pdfFactory Pro" ÿÿ www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
GA-P31-ES3G 1.0
P4_LGA775-E,F,G,H
Gigabyte Technology
B
7 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
VCORE VCORE VCORE VCORE
(6/8)
LGA775
PWR 2/2
LGA775F
CPU-SK/775/S/GF
AM11
AM12
AM14
AM15
AM18
AM19
AM21
AM22
AM25
AM26
AM29
AM30
AM8
AM9
AN11
AN12
AN14
AN15
AN18
AN19
AN21
AN22
AN25
AN26
AN29
AN30
AN8
AN9
J10
J11
J12
J13
J14
J15
J18
J19
J20
J21
J22
J23
J24
J25
J26
J27
J28
J29
J30
J8
J9
K23
K24
K25
K26
K27
K28
K29
K30
K8
L8
M23
M24
M25
M26
M27
M28
M29
M30
M8
N23
N24
N25
N26
N27
N28
N29
N30
N8
P8
R8
T23
T24
T25
T26
T27
T28
T29
T30
T8
U23
U24
U25
U26
U27
U28
U29
U30
U8
V8
W23
W24
W25
W26
W27
W28
W29
W30
Y23
Y24
Y25
Y26
Y27
Y28
Y29
Y30
Y8
W8
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
LGA775
(5/8)
PWR 1/2
LGA775E
CPU-SK/775/S/GF
AA8
AB8
AC23
AC24
AC25
AC26
AC27
AC28
AC29
AC30
AC8
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD8
AE11
AE12
AE14
AE15
AE18
AE19
AE21
AE22
AE23
AE9
AF11
AF12
AF14
AF15
AF18
AF19
AF21
AF22
AF8
AF9
AG11
AG12
AG14
AG15
AG18
AG19
AG21
AG22
AG25
AG26
AG27
AG28
AG29
AG30
AG8
AG9
AH11
AH12
AH14
AH15
AH18
AH19
AH21
AH22
AH25
AH26
AH27
AH28
AH29
AH30
AH8
AH9
AJ11
AJ12
AJ14
AJ15
AJ18
AJ19
AJ21
AJ22
AJ25
AJ26
AJ8
AJ9
AK11
AK12
AK14
AK15
AK18
AK19
AK21
AK22
AK25
AK26
AK8
AK9
AL11
AL12
AL14
AL15
AL18
AL19
AL21
AL22
AL25
AL26
AL29
AL30
AL9
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
(7/8)
LGA775
GND 1/2
LGA775G
CPU-SK/775/S/GF
A12
A15
A18
A2
A21
A6
A9
AA23
AA24
AA25
AA26
AA27
AA28
AA29
AA3
AA30
AA6
AA7
AB1
AB23
AB24
AB25
AB26
AB27
AB28
AB29
AB30
AB7
AC3
AC6
AC7
AD4
AD7
AE10
AE13
AE16
AE17
AE2
AE20
AE24
AE25
AE26
AE27
AE28
AE29
AE30
AE5
AE7
AF10
AF13
AF16
AF17
AF20
AF23
AF24
AF25
AF26
AF27
AF28
AF29
AF3
AF30
AF6
AF7
AG10
AG13
AG16
AG17
AG20
AG23
AG24
AG7
AH1
AH10
AH13
AH16
AH17
AH20
AH23
AH24
AH3
AH6
AJ10
AJ13
AJ16
AJ17
AJ20
AJ23
AJ24
AJ27
AJ28
AJ29
AJ30
AJ4
AK10
AK13
AK17
AK2
AK20
AK23
AK24
AK27
AK28
AK29
AK30
AK5
AK7
AL10
AL13
AL16
AL17
AL20
AL23
AL24
AL27
AL28
AM1
AM10
AM13
AM16
AM17
AM20
AM23
AM24
AM27
AM28
AM4
AK16
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
LGA775
(8/8)
GND 2/2
LGA775H
CPU-SK/775/S/GF
AN1
AN10
AN13
AN16
AN17
AN2
AN20
AN23
AN24
AN27
AN28
B11
B14
B17
B20
B24
B5
B8
C10
C13
C16
C19
C22
C24
C4
C7
D12
D15
D18
D21
D24
D3
D5
D6
D9
E11
E14
E17
E2
E20
E25
E26
E27
E28
E8
F10
F13
F16
F19
F22
F4
F7
H10
H11
H12
H13
H14
H17
H18
H19
H20
H21
H22
H23
H24
B1
H25
H26
H27
H28
H6
H7
H8
H9
J4
J7
K2
K5
K7
L23
L24
L25
L26
L27
L28
L29
L3
L30
L6
L7
M1
M7
N3
N6
N7
P23
P24
P25
P26
P27
P28
P29
P30
P4
P7
R2
R23
R24
R25
R26
R27
R28
R29
R30
R5
R7
T3
T6
U7
V23
V24
V25
V26
V27
V28
V29
V3
V30
V6
V7
W4
W7
Y2
Y5
Y7
H3
T7
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
PDF "pdfFactory Pro" ÿÿ www.pdffactory.com
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
CPU INTERFACE
R10B
GA-P31-ES3G 1.0
GMCH-HOST
Gigabyte Technology
B
8 34Thursday, August 21, 2008
Title
Size Document Number Rev
Date: Sheet of
-HREQ0
-HTRDY
-HLOCK
HA17
HA22
HA24
STBP0
-HIT
-RS1
HA5
-HADSTB0
-BR0
HA12
HA13
HA27
-DBI1
-BPRI
HA[3..35]
MCHCLK
-RS0
HA25
HA6
STBN3
-DBSY
-RS2
HXSCOMPB
STBP2
HA28
STBN0
STBN1
-HADS
HA11
HA14
HA18
-HREQ2
-DRDY
HA3
HA8
HA21
-DBI0
-DBI3
-CPURST
HA10
HA31
STBP1
-DBI2
HA15
HA16
HA23
-HREQ1
HXSWING
HA20
HA29
-HREQ3
STBN2
-DEFER
MCH_GTLREF0
HA4
HA7
HA30
-HADSTB1
-BNR
HA19
-MCHCLK
STBP3
HXRCOMP
HA9
HA26
-HREQ4
HXSCOMP
-HITM
HA32
HA33
HA34
HA35
HXSCOMPB
HXSCOMP
HD40
HD37
HD9
HD53
HD6
HD63
HD38
HD34
HD56
HD11
HD19
HD26
HD55
HD22
HD4
HD20
HD27
HD23
HD14
HD18
HD42
HD29
HD0
HD50
HD17
HD3
HD36
HD8
HD7
HD46
HD61
HD24
HD33
HD25
HD60
HD62
HD47
HD52
HD[0..63]
HD5
HD44
HD35
HD54
HD41
HD13
HD32
HD39
HD2
HD31
HD28
HD58
HD21
HD49
HD59
HD10
HD48
HD1
HD51
HD45
HD12
HD15
HD57
HD16
HD43
HD30
COUPON1
COUPON2
HXSWING
MCH_GTLREF0
GTLREF_MCH
HXRCOMP
HA[3..35]4
MCHCLK 21
-HREQ24
-HREQ14
-HREQ