GIGABYTE 945GM-DS2 Schematics
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DN: cn=dd, o=dd,
ou=dd,
email=dddd@yahoo.
com, c=US
Date: 2010.01.19
19:11:14 +07'00'
4
3
2
1
Model Name:945GM-DS2
SHEET TITLE
01
D D
02
03
04
05
06
07
08
09
C C
10
11
12
13
14
COVER SHEET
BLOCK DIAGRAM
BOM & PCB MODIFY HISTORY
P4_LGA775_A
P4_LGA775_B,D
P4_LGA775_C
P4_LGA775_E,F,G,H
945G_HOST
945G_DDRII
945G_PCI E, DMI
945G_VGA
945G_GND
945G_PWR
PCI EXPRESS*16 SLOT
Revision 2.0
SHEET TITLE
28
29
30
31
32
33
REAR AUDIO JACK
DISCRETE POWER
VCORE PWM_ISL6312
ATX, OTHERS POWER
FRONT PANEL
TI TSB43AB23 1394
REALTEK RTL8111B34
15
16
17
B B
18
19
20
21
22
A A
23
24
25
26
27
DDRII CHANNEL A
DDRII CHANNEL B
DDRII TERMINATION
ICH7 PCI, USB, DMI, LAN
ICH7 IDE, GPIO, SATA, CTRL
ICH7 VCC, GND
CK410M CLOCK.
PCI SLOT 1,2,PCIE*1
IDE/FLOPPY
ITE 8718 GB/KX
COM_LPT
CI,HWM,KB/MS,BIOS
ALC888
5
4
Title
Size Document Number Rev
Custom
3
2
Date: Sheet
Gigabyte Technology
Cover Sheet
945GM-DS2
1 34Wednesday, November 08, 2006
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BLOCK DIAGRAM
INTEL Pentium4
LGA775
D D
CLOCK GENERATOR
CKVDD = 3.3V
VCORE = 1.4V
VCC3
PCI EXPRESS X16
VDDQ = 1.5V (AGP POWER 4X)
VCC3 = 3.3V
+12V = 12V
3VDUAL = 3.3V
VCC = 5V
C C
945G
VCORE = 1.75V / SLEEP : 1.3V
2_5VSTR = 2.5V(MEMORY)
VDDQ = 1.5V (AGP POWER 4X, HUBLINK)
MAA0~14
MAA_CPC1~5
MAB_CPC1~5
MDD0~63
-DQSD0~7
DM0~7
CHANNEL A
DDRII DIMM X 2
1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V
CHANNEL B
DDRII DIMM X 2
1.8VSTR = 1.8V(MEMORY,SUSPEND POWER)
VTT_DDR = 0.9V
PCI EXPRESS X1
IDE Primary
VCC = 5V
SERIAL ATA
VCC = 5V
USB PORTS 0~7
VCC = 5V
5VSB = 5V
5VUSB = 5V
ICH7
VCC25 = 2.5V(I/O,MEMORY/I,VLINK/I)
3VDUAL = 3.3V(SUSPEND POWER)
VCC3 = 3.3V
RTCVDD = 3.3V
B B
PCI BUS
FWH/HWMO
PCI SLOT 1,2
+12 = 12V
-12 = -12V
VCC = 5V
VCC3 = 3V
3VDUAL = 3V
LPC BUS
ALC888
+12V = 12V
VCC = 5V 5VSB = 5V
AVDD = 5V
A A
AUDIO PORTS :
LIN_ OUT
LINE_IN
FRONT AUDIO
MIC
CD_IN
5
4
FRONT PANEL /CPU FAN
VCC = 5V
5VSB = 5V
+12 = 12V
PVCC = 5V
3
VCC = 5V
VCC3 = 3V
LPC I/O ITE8718
VCC = 5VVCC3 = 3.3V
VBAT = 3V
I/O PORTS :
COMB
COMA
LPT
2
PS2
FDD
Title
Size Document Number Rev
Custom
Date: Sheet
Gigabyte Technology
BOM & PCB MODIFY HISTORY
945GM-DS2
1
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Model Name: 945GM-DS2
Circuit or PCB layout change
for next version
Version: 2.0
DATE Change Item Reason
D D
Component value change history
2006/11/08
Data Change Item Reason
2006/05/29 modify LAN 8056-->RTL8111B
2006/06/28 R1.0 MODIFY(LAN LED)
2006/07/03 R1.0 MODIFY VTT_PWRGD# DELAY TIME
R1.0 COMP8 CHANGE 30/6/1 FOR CONROE CPU
2006/08/29
2006/09/05 MODIFY AUDIO 1X3-->2X3 JACK.
C C
2006/09/14 R2.0 GERBER OUT
2006/09/15 R2.0 GERBER OUT
2006/09/18 100UF-->6X8
2006/10/11 ALC883-->ALC888 PBOM
2006/10/18 F_ECN REMOVE R56 FOR PCB IMPEDANCE
PCB R2.0:AUDIO(VISTA)+SB_HS+SMD
FUSE+VCORE(8C CAP)+
CHANGE Q289 LOW THRESOLD MOS2006/11/08
CHANGE U89 2.8V FIX KVM SWITCH BOM:9M945GMD2R-00-20C
CHOKE+
DS2
VCORE 5PCS E-CAP
B B
A A
Title
Size Document Number Rev
Custom
5
4
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Date: Sheet
Gigabyte Technology
BOM & PCB MODIFY HISTORY
945GM-DS2
3 34Wednesday, November 08, 2006
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VCORE
BC5
D D
10u/12/X7R/6.3V/K
VCORE
+
EC1
100u/2V/SPCAP/X
BC6
10u/12/X7R/6.3V/K
+
EC2
100u/2V/SPCAP/X
BC7
10u/12/X7R/6.3V/K
+
EC3
100u/2V/SPCAP/X
BC8
10u/12/X7R/6.3V/K
+
EC4
100u/2V/SPCAP/X
VTT_OR
VTT_OR
SP-CAP-MASK
VCORE
BC1
C C
B B
A A
10u/12/X7R/6.3V/K
BC2
10u/12/X7R/6.3V/K
HA[3..16][8]
HA[17..31][8]
5
HA[3..16]
HA[17..31]
BC3
10u/12/X7R/6.3V/K
-HREQ0[8]
-HREQ1[8]
-HREQ2[8]
-HREQ3[8]
-HREQ4[8]
-HADSTB0[8]
-HADSTB1[8]
BC4
10u/12/X7R/6.3V/K
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14
HA15
HA16
-HREQ0
-HREQ1
-HREQ2
-HREQ3
-HREQ4
-HADSTB0
HA17
HA18
HA19
HA20
HA21
HA22
HA23
HA24
HA25
HA26
HA27
HA28
HA29
HA30
HA31
-HADSTB1
LGA775A
L5
A<3>*
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
4
LGA775
A<4>*
A<5>*
(1/8)
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>*
CPU-SK/775/D/GF
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>*
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
-HADS
-BNR
-HIT
-BPRI
-DBSY
-DRDY
-HITM
-IERR
-HINIT
-HLOCK
-HTRDY
-DEFER
-BR0
TESTHI8
TESTHI9
TESTHI10
GTLREF0
GTLREF1
MCH_GTLREF
-CPURST
-RS0
-RS1
-RS2
-HADS [8]
-BNR [8]
-HIT [8]
-BPRI [8]
-DBSY [8]
-DRDY [8]
-HITM [8]
-HINIT [19]
-HLOCK [8]
-HTRDY [8]
-DEFER [8]
-BR0 [8]
MCH_GTLREF [8]
-CPURST [8]
-RS0 [8]
-RS1 [8]
-RS2 [8]
3
2
R1 124/6/1
R3
210/6/1
R5 124/6/1
R7
210/6/1
VTT_OR
VTT_OL
VTT_OR
VTT_OL
Title
Size Document Number Rev
B
Date: Sheet
R8 62/6
R10 62/6
R12 62/6
7 8
5 6
3 4
1 2
Gigabyte Technology
GTLREF1
C1
1u/6/Y5V/10V/Z
GTLREF0
C2
1u/6/Y5V/10V/Z
-IERR
-BR0
-CPURST
RN1
TESTHI10
TESTHI9
TESTHI8
62/8P4R/6
CR
CPU RETAINTION/X
P4_LGA775-A
945GM-DS2
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HD[0..15][8]
D D
C C
B B
A A
HD[0..15]
HD[16..31]
5
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD11
HD12
HD13
HD14
HD15
-DBI0
-DBI0[8]
STBN0
STBN0[8]
STBP0
STBP0[8]HD[16..31][8]
HD16
HD17
HD18
HD19
HD20
HD21
HD22
HD23
HD24
HD25
HD26
HD27
HD28
HD29
HD30
HD31
TCK
TDI
TDO
TMS
-TRST
-BPM0
-BPM1
-BPM2
-BPM3
-BPM4
-BPM5
-SYS_RST
FSBSEL0
FSBSEL1
FSBSEL2
R13
1K/4/X
-DBI1
STBN1
STBP1
-DBI1[8]
STBN1[8]
STBP1[8]
-SYS_RST[19,32]
LGA775B
B4
D<0>*
C5
D<1>*
A4
D<2>*
C6
D<3>*
A5
D<4>*
B6
D<5>*
B7
D<6>*
A7
D<7>*
A10
D<8>*
A11
D<9>*
B10
D<10>*
C11
D<11>*
D8
D<12>*
B12
D<13>*
C12
D<14>*
D11
D<15>*
A8
DB1<0>*
C8
DSTBN<0>*
B9
DSTBP<0>
G9
D<16>*
F8
D<17>*
F9
D<18>*
E9
D<19>*
D7
D<20>*
E10
D<21>*
D10
D<22>*
F11
D<23>*
F12
D<24>*
D13
D<25>*
E13
D<26>*
G13
D<27>*
F14
D<28>*
G14
D<29>*
F15
D<30>*
G15
D<31>*
G11
DB1<1>*
G12
DSTBN<1>*
E12
DSTBP<1>
CPU-SK/775/D/GF
LGA775D
AE1
TCK
AD1
TDI
AF1
TDO
AC1
TMS
AG1
TRST*
AJ2
BPM<0>*
AJ1
BPM<1>*
AD2
BPM<2>*
AG2
BPM<3>*
AF2
BPM<4>*
AG3
BPM<5>*
AC2
DBR*
AK3
ITPCLK<0>
AJ3
ITPCLK<1>
G29
BSEL<0>
H30
BSEL<1>
G30
BSEL<2>
N5
SPARE0
C9
SPARE1
E7
SPARE2
AE6
SPARE4
D16
NC_DSS2
A20
NC_DSS3
E23
NC
CPU-SK/775/D/GF
LGA775
(2/8)
LGA775
(4/8)
4
DSTBN<2>*
DSTBP<2>
DSTBN<3>*
DSTBP<3>
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
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>*
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>*
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
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
VR_RDY
HD32
HD33
HD34
HD35
HD36
HD37
HD38
HD39
HD40
HD41
HD42
HD43
HD44
HD45
HD46
HD47
-DBI2
STBN2
STBP2
HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63
-DBI3
STBN3
STBP3
VTT_GMCH
-DBI2 [8]
STBN2 [8]
STBP2 [8]
-DBI3 [8]
STBN3 [8]
STBP3 [8]
VR_RDY [30]
VTT_OR
VTT_OL
HD[32..47]
HD[48..63]
3
HD[32..47] [8]
HD[48..63] [8]
RN2 680/8P4R/6
VTT_GMCH
VTT_OR
0.1u/6/Y5V/25V/Z
TO CLK GEN TO NB
C7
FSBSEL0
FSBSEL1[21]
FSBSEL2[21]
FSBSEL1
FSBSEL2
7 8
5 6
3 4
1 2
RN3 62/8P4R/6
7 8
5 6
3 4
1 2
7 8
5 6
3 4
1 2
RN4 62/8P4R/6
R20 62/6
R593 680/6
R22 62/6
R23 62/6
R14 8.2K/4
R15 8.2K/4
R16 8.2K/4
FSBSEL0
FSBSEL2
FSBSEL1
-BPM1
-BPM0
-BPM5
-BPM4
-BPM2
-BPM3
TDI
TMS
TDO
VR_RDY
-TRST
TCK
BSEL0
BSEL1
BSEL2
BSEL0 [11]FSBSEL0[21]
BSEL1 [11]
BSEL2 [11]
CPU
NA
FSBSEL3
1
0
0
FSBSEL1
0
0
1
1
00
2
FSAFSB
FSBSEL0 Clock
1
1
1
0
0
Title
Size Document Number Rev
B
Date: Sheet
100MHz
X
133MHz0
166MHz
200MHz
266MHz
Gigabyte Technology
P4_LGA775-B,D
945GM-DS2
1
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Place outside of CPU socket
VTT_OL
Note:
VCCA & VCOREPLL
VTT_GMCH
D D
C C
B B
A A
L1 10uH/8/155mA/0.5/S
L2 10uH/8/155mA/0.5/S
C14
33p/4/NPO/50V/J/X
-STPCLK
define doesn't same as
old P4 design kit
C10
1u/6/Y5V/10V/Z
C11
1u/6/Y5V/10V/Z
As close as possible to
CPU socket
CPU_TEMP[24,26]
THERMDC[24]
R44 0/6/SHT/X
R45 0/6/SHT/X
VCCA
R35
0/6/SHT/X
VSSA
VCOREPLL
VID[0..7][30] TESTHI13 [19]
Trace width doesn't
less than 12 Mil
-SMI[19]
-A20M[19]
-FERR[19]
INTR[19]
NMI[19]
-IGNNE[19]
-STPCLK[19]
VID[0..7]
VRD_SEL[30]
CPUCLK[21]
-CPUCLK[21]
-SKTOCC[19]
C15
1n/4/X7R/50V/K/X
PECI[24]
-SMI
-A20M
-FERR
INTR
NMI
-IGNNE
-STPCLK
VCCA
VSSA
VCOREPLL
VCC_PLL
VID0
VID1
VID2
VID3
VID4
VID5
VID6
VID7
VRD_SEL
CPUCLK
-CPUCLK
-SKTOCC
VCORE
R56 62/6/X
PECI
VCC3
R1916
249/6/1
3
Q1
D
2N7002/SOT23/25pF/5
G S
SOT23
GTL_DET[8]
2
LGA775C
P2
SMI*
K3
A20M*
R3
FERR*/PBE*
K1
LINT0
L1
LINT1
N2
IGNNE*
M3
STPCLK*
A23
VCCA
B23
VSSA
C23
VCCIOPLL
D23
VCC_PLL
AM2
VID<0>
AL5
VID<1>
AM3
VID<2>
AL6
VID<3>
AK4
VID<4>
AL4
VID<5>
AM5
VID<6>
AM7
VID<7>
AN7
VID_SELECT
F28
BCLK<0>
G28
BCLK<1>
AE8
SKTOCC*
AL1
THERMDA
AK1
THERMDC
AJ7
THERMDA_2
AH7
THERMDC_2
AN3
VCC_SENSE
AN4
VSS_SENSE
AN5
VCC_MB_REGULATION
AN6
VSS_MB_REGULATION
AL8
VCC_D_SENSE
AL7
VSS_D_SENSE
F29
VTT_PKGSENSE
F6
Z60_50*
G6
SLEW_CTRL*
G5
SST_LV*
AL3
MPG_NOBOOT*
CPU-SK/775/D/GF
TESTHI0
1
LGA775
(3/8)
support p4 extreme:1.5V
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>
RSVD_1
RSVD_2
PSMI*
MSID<1>
MSID<0>
CPU_BOOT
LL_ID<0>
LL_ID<1>
RC1
RC2
RC4
RC5
VCC3
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
R1568
110/6/1
MSID1
MSID0
TESTHI0
R1569
61.9/6/1
TESTHI0
TESTHI1
TESTHI2_7
TESTHI11
TESTHI12
TESTHI13
-FORCEPR
CPUPWROK
-PROCHOT
-THRMTRIP
COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
COMP6
COMP7
COMP8
CPU_G1
TESTHI_M
R666 1K/4/X
GTLREF2
GTLREF3
R53 62/6
R55 62/6
-FORCEPR [32]
CPUPWROK [19]
-THRMTRIP [19]
C1883
0.1u/6/Y5V/25V/Z
-PROCHOT [19,32]
0.1u/6/Y5V/25V/Z
0.1u/6/Y5V/25V/Z
0.1u/6/Y5V/25V/Z
0.1u/6/Y5V/25V/Z
PECI:Platform Environment Control Interface
5
4
3
2
C9
VTT_OR
C12
VTT_GMCH
C8
VTT_OL
VTT_OR
C16
VTT_OR
VTT_OR
VCC1_5
Title
Size Document Number Rev
B
Date: Sheet
R28 60.4/6/1
R30 60.4/6/1
R31 60.4/6/1
R32 60.4/6/1
R33 60.4/6/1
R34 60.4/6/1
R36 60.4/6/1
R37 60.4/6/1
R38 30/6/1
R39 130/6/1
R40 62/6
R41 62/6
R42 62/6
R29 62/6/X
RN5 62/8P4R/6
7 8
5 6
3 4
1 2
R43 100/6/X
R1775 62/6
R1776 62/6
RN6 680/8P4R/6
7 8
5 6
3 4
1 2
RN7 680/8P4R/6
7 8
5 6
3 4
1 2
R58 1K/4/1
R60 62/6/X
R667 124/6/1
R669
210/6/1
R671 124/6/1
R674
210/6/1
FB33 0/8/SHT/X
C17
1u/6/Y5V/10V/Z
Gigabyte Technology
P4_LGA775-C
945GM-DS2
COMP5
COMP4
COMP2
COMP3
COMP0
COMP1
COMP6
COMP7
COMP8
FOR CONROE CPU
R1.0
-PROCHOT
TESTHI2_7
-THRMTRIP
-FERR
TESTHI0
TESTHI11
TESTHI12
TESTHI1
TESTHI13
CPUPWROK
C13 1n/4/X7R/50V/K/X
CPU_G1
TESTHI_M
VID4
VID3
VID2
VID0
VID1
VID5
VID6
VID7
VRD_SEL
-FORCEPR
GTLREF2
C349
1u/6/Y5V/10V/Z
GTLREF3
C351
1u/6/Y5V/10V/Z
VCC_PLL
C350
0.1u/6/Y5V/25V/Z
6 34Wednesday, November 08, 2006
1
R1.0
R1.0
2.0
of
5
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4
3
2
1
VCORE VCORE VCORE VCORE
D D
C C
B B
A A
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
CPU-SK/775/D/GF
LGA775E
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
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
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
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
CPU-SK/775/D/GF
LGA775F
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
(6/8)
PWR 2/2
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
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
W8
Y23
Y24
Y25
Y26
Y27
Y28
Y29
Y30
Y8
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
CPU-SK/775/D/GF
LGA775G
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
(7/8)
GND 1/2
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
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
AK16
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
AN1
AN10
AN13
AN16
AN17
AN2
AN20
AN23
AN24
AN27
AN28
B1
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
CPU-SK/775/D/GF
LGA775H
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
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
H25
H26
H27
H28
H3
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
T7
U7
V23
V24
V25
V26
V27
V28
V29
V3
V30
V6
V7
W4
W7
Y2
Y5
Y7
Title
Size Document Number Rev
B
5
4
3
2
Date: Sheet
Gigabyte Technology
P4_LGA775-E,F,G,H
945GM-DS2
of
2.0
7 34Wednesday, November 08, 2006
1
5
www.kythuatvitinh.com
4
3
2
1
HA[3..31][4]
D D
C C
B B
HA[3..31]
-HADSTB0[4]
-HADSTB1[4]
MCHCLK[21]
-MCHCLK[21]
-CPURST[4]
HA3
HA4
HA5
HA6
HA7
HA8
HA9
HA10
HA11
HA12
HA13
HA14 HD11
HA15
HA16
HA17
HA18
HA19
HA20
HA21
HA22
HA23
HA25
HA26
HA27
HA28
HA29
HA30
HA31
-HREQ0[4]
-HREQ1[4]
-HREQ2[4]
-HREQ3[4]
-HREQ4[4]
-HTRDY[4]
-DEFER[4]
-HLOCK[4]
-BNR[4]
-DBSY[4]
-HREQ0
-HREQ1
-HREQ2
-HREQ3
-HREQ4
-HADSTB0
-HADSTB1
MCHCLK
-MCHCLK
HRCOMP
HSWNG
STBP0
STBP0[5]
STBN0
STBN0[5]
-DBI0
-DBI0[5]
STBP1
STBP1[5]
STBN1
STBN1[5]
-DBI1
-DBI1[5]
STBP2
STBP2[5]
STBN2
STBN2[5]
-DBI2
-DBI2[5]
STBP3
STBP3[5]
STBN3
STBN3[5]
-DBI3
-DBI3[5]
-HADS
-HADS[4]
-HTRDY
-DRDY
-DRDY[4]
-DEFER
-HITM
-HITM[4]
-HIT
-HIT[4]
-HLOCK
-BR0
-BR0[4]
-BNR
-BPRI
-BPRI[4]
-DBSY
-RS0
-RS0[4]
-RS1
-RS1[4]
-RS2
-RS2[4]
-CPURST
U2A
J39
HA3*
K38
HA4*
J42
HA5*
K35
HA6*
J37
HA7*
M34
HA8*
N35
HA9*
R33
HA10*
N32
HA11*
N34
HA12*
M38
HA13*
N42
HA14*
N37
HA15*
N38
HA16*
R32
HA17*
R36
HA18*
U37
HA19*
R35
HA20*
R38
HA21*
V33
HA22*
U34
HA23*
U32
HA24*
V42
HA25*
U35
HA26*
Y36
HA27*
Y38
HA28*
AA37
HA29*
V32
HA30*
Y34
HA31*
AA35
RSVD
AA42
RSVD
AA38
RSVD
AA34
RSVD
E41
HREQ0*
D41
HREQ1*
K36
HREQ2*
G37
HREQ3*
E42
HREQ4*
M36
HADSTB0*
V35
HADSTB1*
M31
HCLKP
M29
HCLKN
A28
HRCOMP
B27
HSWING
K41
HDSTBP0*
L43
HDSTBN0*
K40
HDINV0*
F35
HDSTBP1*
G34
HDSTBN1*
A38
HDINV1*
J27
HDSTBP2*
M26
HDSTBN2*
E29
HDINV2*
E34
HDSTBP3*
B37
HDSTBN3*
B32
HDINV3*
W42
HADS*
W40
HTRDY*
V41
HDRDY*
P40
HDEFER*
W41
HHITM*
U41
HHIT*
U40
HLOCK*
AA41
HBREQ0*
U39
HBNR*
D42
HBPRI*
U42
HDBSY*
T40
HRS0*
Y43
HRS1*
T43
HRS2
C30
HCPURST*
CPU INTERFACE
R27
RSVD
U27
RSVD
M15
RSVD
L15
RSVD
945G/A2/[10HB1-033000-22R]
HD0*
HD1*
HD2*
HD3*
HD4*
HD5*
HD6*
HD7*
HD8*
HD9*
HD10*
HD11*
HD12*
HD13*
HD14*
HD15*
HD16*
HD17*
HD18*
HD19*
HD20*
HD21*
HD22*
HD23*
HD24*
HD25*
HD26*
HD27*
HD28*
HD29*
HD30*
HD31*
HD32*
HD33*
HD34*
HD35*
HD36*
HD37*
HD38*
HD39*
HD40*
HD41*
HD42*
HD43*
HD44*
HD45*
HD46*
HD47*
HD48*
HD49*
HD50*
HD51*
HD52*
HD53*
HD54*
HD55*
HD56*
HD57*
HD58*
HD59*
HD60*
HD61*
HD62*
HD63*
HDVREF
HACCVREF
HSCOMP
HPCREQ
HEDRDY*
Pb-Free
P41
M39
P42
M42
N41
M40
L40
M41
K42
G39
J41
G42
G40
G41
F40
F43
F37
E37
J35
D39
C41
B39
B40
H34
C37
J32
B35
J34
B34
F32
L32
J31
H31
M33
K31
M27
K29
F31
H29
F29
L27
M24
J26
K26
G26
H24
K24
F24
E31
A33
E40
D37
C39
D38
D33
C35
D34
C34
B31
C31
C32
D32
B30
D30
D27
D28
C27
F38
Y40
HD0
HD1
HD2
HD3
HD4
HD5
HD6
HD7
HD8
HD9
HD10
HD12
HD13
HD14
HD15
HD16
HD17
HD18
HD19
HD20
HD21HA24
HD22
HD23
HD24
HD25
HD26
HD27
HD28
HD29
HD30
HD31
HD32
HD33
HD34
HD35
HD36
HD37
HD38
HD39
HD40
HD41
HD42
HD43
HD44
HD45
HD46
HD47
HD48
HD49
HD50
HD51
HD52
HD53
HD54
HD55
HD56
HD57
HD58
HD59
HD60
HD61
HD62
HD63
MCH_GTLREF
HSCOMP
HD[0..63]
MCH_GTLREF [4]
HD[0..63] [5]
VTT_GMCH
GTL_DET[6]
VTT_GMCH
VTT_GMCH
R1917
124/6/1
BC21
0.01u/4/X7R/16V/K/X
+12V
R46
301/6/1
R47
84.5/6/1
R48
60.4/6/1
HSCOMP
C19
22p/4/NPO/50V/J/X
R1918
210/6/1
R1920
8.2K/4
C18
0.01u/4/X7R/16V/K
R418
MCH_GTLREF
62/6
BC22
0.1u/6/Y5V/25V/Z
VCORE
R1919
619/6/1
3
D
Q2
2N7002/SOT23/25pF/5
G S
SOT23
2
1
R1544 62/6
MCH_GTLREF
HSWNG
HRCOMP
R49
16.9/6/1
C1884
220p/4/NPO/50V/J/X
0315
A A
COUPON1
COUPON2
5
4
COUPON1 COUPON
COUPON2 COUPON
21
21
3
VCORE
Title
Size Document Number Rev
Custom
2
Date: Sheet
Gigabyte Technology
GMCH-HOST
945GM-DS2
8 34Wednesday, November 08, 2006
1
of
2.0
5
www.kythuatvitinh.com
MODT_A[0..3]
MAAA0
MAAA1
MAAA2
MAAA3
MAAA4
MAAA5
D D
-SCASA[15,17]
-SRASA[15,17]
C C
B B
DCLKA0[15]
-DCLKA0[15]
DCLKA1[15]
-DCLKA1[15]
DCLKA2[15]
-DCLKA2[15]
DCLKA3[15]
-DCLKA3[15]
DCLKA4[15]
-DCLKA4[15]
DCLKA5[15]
-DCLKA5[15]
0.1u/6/Y5V/25V/Z/X
MAAA6
MAAA7
MAAA8
MAAA9
MAAA10
MAAA11
MAAA12
MAAA13
-SWEA
-SWEA[15,17]
-SCASA
-SRASA
SBAA0
SBAA0[15,17]
SBAA1
SBAA1[15,17]
SBAA2
SBAA2[15,17]
-CSA0
-CSA0[15,17]
-CSA1
-CSA1[15,17]
-CSA2
-CSA2[15,17]
-CSA3
-CSA3[15,17]
CKEA0
CKEA0[15,17]
CKEA1
CKEA1[15,17]
CKEA2
CKEA2[15,17]
CKEA3
CKEA3[15,17]
MODT_A0
MODT_A1
MODT_A2
MODT_A3
DCLKA0
-DCLKA0
DCLKA1
-DCLKA1
DCLKA2
-DCLKA2
DCLKA3
-DCLKA3
DCLKA4
-DCLKA4
DCLKA5
-DCLKA5
DDRVREFA
C20
NB_HEATSIN
A A
MODT_A[0..3] [15,17]
U2F
BA32
SAMA0
AW32
SAMA1
BB30
SAMA2
BA30
SAMA3
AY30
SAMA4
BA27
SAMA5
BC28
SAMA6
AY27
SAMA7
AY28
SAMA8
BB27
SAMA9
AY33
SAMA10
AW27
SAMA11
BB26
SAMA12
BC38
SAMA13
BB35
SAWE*
BA37
SACAS*
BA34
SARAS*
BC33
SABA_0
AY34
SABA_1
BA26
SABA_2
BB37
SACS_0*
BA39
SACS_1*
BA35
SACS_2*
AY38
SACS_3*
BB25
SACKE0
AY25
SACKE1
BC24
SACKE2
BA25
SACKE3
AW37
SAODT0
AY39
SAODT1
AY37
SAODT2
BB40
SAODT3
BB32
SACK0
AY32
SACK0*
AY5
SACK1
BB5
SACK1*
AK42
SACK2
AK41
SACK2*
BA31
SACK3
BB31
SACK3*
AY6
SACK4
BA5
SACK4*
AH40
SACK5
AH43
SACK5*
AK18
RSV_TP(3)
AM4
SMVREF0
AL17
RSV_TP(1)
AK17
RSV_TP(0)
1
945G/A2/[10HB1-033000-22R]
SADQS0
SADQS0*
SADM0
SADQ0
SADQ1
SADQ2
SADQ3
SADQ4
SADQ5
SADQ6
SADQ7
SADQS1
SADQS1*
SADM1
SADQ8
SADQ9
SADQ10
SADQ11
SADQ12
SADQ13
SADQ14
SADQ15
SADQS2
SADQS2*
SADM2
SADQ16
SADQ17
SADQ18
SADQ19
SADQ20
SADQ21
SADQ22
SADQ23
SADQS3
SADQS3*
SADM3
SADQ24
SADQ25
SADQ26
SADQ27
SADQ28
SADQ29
SADQ30
SADQ31
SADQS4
SADQS4*
SADM4
SADQ32
SADQ33
SADQ34
SADQ35
SADQ36
SADQ37
SADQ38
SADQ39
SADQS5
SADQS5*
SADM5
SADQ40
SADQ41
SADQ42
SADQ43
SADQ44
SADQ45
SADQ46
SADQ47
SADQS6
SADQS6*
SADM6
SADQ48
SADQ49
SADQ50
SADQ51
SADQ52
SADQ53
SADQ54
SADQ55
SADQS7
SADQS7*
SADM7
SADQ56
SADQ57
SADQ58
SADQ59
SADQ60
SADQ61
SADQ62
SADQ63
AU4
AR2
AR3
AP3
AP2
AU3
AV4
AN1
AP4
AU5
AU2
BA3
BB4
AY2
AW3
AY3
BA7
BB7
AV1
AW4
BC6
AY7
AY11
BA10
BB10
AW12
AY10
BA12
BB12
BA9
BB9
BC11
AY12
AU18
AR18
AP18
AM20
AM18
AV20
AM21
AP17
AR17
AP20
AT20
AU35
AV35
AT34
AP32
AV34
AV38
AU39
AV32
AT32
AR34
AU37
AP42
AP40
AP39
AR41
AR42
AN43
AM40
AU41
AU42
AP41
AN40
AG42
AG41
AG40
AL41
AL42
AF39
AE40
AM41
AM42
AF41
AF42
AC42
AC41
AC40
AD40
AD43
AA39
AA40
AE42
AE41
AB41
AB42
DQSA0
-DQSA0
DMA0
MDA0
MDA1
MDA2
MDA3
MDA4
MDA5
MDA6
MDA7
DQSA1
-DQSA1
DMA1
MDA8
MDA9
MDA10
MDA11
MDA12
MDA13
MDA14
MDA15
DQSA2
-DQSA2
DMA2
MDA16
MDA17
MDA18
MDA19
MDA20
MDA21
MDA22
MDA23
DQSA3
-DQSA3
DMA3
MDA24
MDA25
MDA26
MDA27
MDA28
MDA29
MDA30
MDA31
DQSA4
-DQSA4
DMA4
MDA32
MDA33
MDA34
MDA35
MDA36
MDA37
MDA38
MDA39
DQSA5
-DQSA5
DMA5
MDA40
MDA41
MDA42
MDA43
MDA44
MDA45
MDA46
MDA47
DQSA6
-DQSA6
DMA6
MDA48
MDA49
MDA50
MDA51
MDA52
MDA53
MDA54
MDA55
DQSA7
-DQSA7
DMA7
MDA56
MDA57
MDA58
MDA59
MDA60
MDA61
MDA62
MDA63
4
MAAB0
MAAB1
MAAB2
MAAB3
MAAB4
MAAB5
MAAB6
MAAB7
MAAB8
MAAB9
MAAB10
MAAB11
MAAB12
MAAB13
-SWEB
-SWEB[16,17]
SBAB0[16,17]
SBAB1[16,17]
SBAB2[16,17]
-CSB0[16,17]
-CSB1[16,17]
-CSB2[16,17]
-CSB3[16,17]
CKEB0[16,17]
CKEB1[16,17]
CKEB2[16,17]
CKEB3[16,17]
DDRVREFB
-SCASB
-SRASB
SBAB0
SBAB1
SBAB2
-CSB0
-CSB1
-CSB2
-CSB3
CKEB0
CKEB1
CKEB2
CKEB3
MODT_B0
MODT_B1
MODT_B2
MODT_B3
DCLKB0
-DCLKB0
DCLKB1
-DCLKB1
DCLKB2
-DCLKB2
DCLKB3
-DCLKB3
DCLKB4
-DCLKB4
DCLKB5
-DCLKB5
SMRCOMPP
SMRCOMPN
C1283
0.1u/6/Y5V/25V/Z/X
-SCASB[16,17]
-SRASB[16,17]
DCLKB0[16]
-DCLKB0[16]
DCLKB1[16]
-DCLKB1[16]
DCLKB2[16]
-DCLKB2[16]
DCLKB3[16]
-DCLKB3[16]
DCLKB4[16]
-DCLKB4[16]
DCLKB5[16]
-DCLKB5[16]
3
U2G
BB22
SBMA0
BB21
SBMA1
BA21
SBMA2
AY21
SBMA3
BC20
SBMA4
AY19
SBMA5
AY20
SBMA6
BA18
SBMA7
BA19
SBMA8
BB18
SBMA9
BA22
SBMA10
BB17
SBMA11
BA17
SBMA12
AW42
SBMA13
BB23
SBWE*
AY24
SBCAS*
BA23
SBRAS*
AW23
SBBA0
AY23
SBBA1
AY17
SBBA2
BA40
SBCS0*
AW41
SBCS1*
BA41
SBCS2*
AW40
SBCS3*
BA14
SBCKE0
AY16
SBCKE1
BA13
SBCKE2
BB13
SBCKE3
AY42
SBODT0
AV40
SBODT1
AV43
SBODT2
AU40
SBODT3
AM29
SBCK0
AM27
SBCK0*
AV9
SBCK1
AW9
SBCK1*
AL38
SBCK2
AL36
SBCK2*
AP26
SBCK3
AR26
BLCK3*
AU10
SBCK4
AT10
SBCK4*
AJ38
SBCK5
AJ36
SBCK5*
AL39
RSV
AM2
SMVREF1
AK23
RSV_TP(2)
AM3
SM_OCDCOMP_1
AJ8
SM_OCDCOMP_0
AJ6
SM_RCOMP1
AL5
SM_RCOMP0
945G/A2/[10HB1-033000-22R]
SBDQS0
SBDQS0*
SBDM0
SBDQ0
SBDQ1
SBDQ2
SBDQ3
SBDQ4
SBDQ5
SBDQ6
SBDQ7
SBDQS1
SBDQS1*
SBDM1
SBDQ8
SBDQ9
SBDQ10
SBDQ11
SBDQ12
SBDQ13
SBDQ14
SBDQ15
SBDQS2
SBDQS2*
SBDM2
SBDQ16
SBDQ17
SBDQ18
SBDQ19
SBDQ20
SBDQ21
SBDQ22
SBDQ23
SBDQS3
SBDQS3*
SBDM3
SBDQ24
SBDQ25
SBDQ26
SBDQ27
SBDQ28
SBDQ29
SBDQ30
SBDQ31
SBDQS4
SBDQS4*
SBDM4
SBDQ32
SBDQ33
SBDQ34
SBDQ35
SBDQ36
SBDQ37
SBDQ38
SBDQ39
SBDQS5
SBDQS5*
SBDM5
SBDQ40
SBDQ41
SBDQ42
SBDQ43
SBDQ44
SBDQ45
SBDQ46
SBDQ47
SBDQS6
SBDQS6*
SBDM6
SBDQ48
SBDQ49
SBDQ50
SBDQ51
SBDQ52
SBDQ53
SBDQ54
SBDQ55
SBDQS7
SBDQS7*
SBDM7
SBDQ56
SBDQ57
SBDQ58
SBDQ59
SBDQ60
SBDQ61
SBDQ62
SBDQ63
AM8
AM6
AL11
AL6
AL8
AP8
AP9
AJ11
AL9
AM10
AP6
AV7
AR9
AW7
AU7
AV6
AV12
AM11
AR5
AR7
AR12
AR10
AV13
AT13
AP13
AM15
AM13
AV15
AM17
AN12
AR13
AP15
AT15
AU23
AR23
AP23
AM24
AM23
AV24
AM26
AP21
AR21
AP24
AT24
AT29
AV29
AR29
AU27
AN29
AR31
AM31
AP27
AR27
AP31
AU31
AP36
AM35
AR38
AP35
AP37
AN32
AL35
AR35
AU38
AM38
AM34
AG34
AG32
AJ39
AL34
AJ34
AF32
AF34
AL31
AJ32
AG35
AD32
AD36
AD38
AD39
AC32
AD34
Y32
AA32
AF35
AF37
AC33
AC35
DQSB0
-DQSB0
DMB0
MDB0
MDB1
MDB2
MDB3
MDB4
MDB5
MDB6
MDB7
DQSB1
-DQSB1
DMB1
MDB8
MDB9
MDB10
MDB11
MDB12
MDB13
MDB14
MDB15
DQSB2
-DQSB2
DMB2
MDB16
MDB17
MDB18
MDB19
MDB20
MDB21
MDB22
MDB23
DQSB3
-DQSB3
DMB3
MDB24
MDB25
MDB26
MDB27
MDB28
MDB29
MDB30
MDB31
DQSB4
-DQSB4
DMB4
MDB32
MDB33
MDB34
MDB35
MDB36
MDB37
MDB38
MDB39
DQSB5
-DQSB5
DMB5
MDB40
MDB41
MDB42
MDB43
MDB44
MDB45
MDB46
MDB47
DQSB6
-DQSB6
DMB6
MDB48
MDB49
MDB50
MDB51
MDB52
MDB53
MDB54
MDB55
DQSB7
-DQSB7
DMB7
MDB56
MDB57
MDB58
MDB59
MDB60
MDB61
MDB62
MDB63
2
MODT_B[0..3]
MODT_B[0..3] [16,17]
R52
0/6/SHT/X
DDR18V
DDR18V
DDR18V
-DQSB[0..7][16]
MAAB[0..13][16,17]
DMB[0..7][16]
MDB[0..63][16]
DQSB[0..7][16]
MAAA[0..13][15,17]
DMA[0..7][15]
MDA[0..63][15]
DQSA[0..7][15]
-DQSA[0..7][15]
R50
1K/4/1
R51
1K/4/1
1u/6/Y5V/10V/Z
R1921
1K/4/1
R54
1K/4/1
1u/6/Y5V/10V/Z
R1922 80.6/6/1
BC27
0.1u/6/Y5V/25V/Z
R1923 80.6/6/1
BC23
BC25
1
DDRVREFA
BC24
0.1u/6/Y5V/25V/Z
DDRVREFB
BC26
0.1u/6/Y5V/25V/Z
SMRCOMPN
SMRCOMPP
-DQSB[0..7]
MAAB[0..13]
DMB[0..7]
MDB[0..63]
DQSB[0..7]
MAAA[0..13]
DMA[0..7]
MDA[0..63]
DQSA[0..7]
-DQSA[0..7]
2
NB_HS/[12SP2-04F003-C1R_12SP2-04F003-C2R_12SP2-04F003-C3R]
5
4
3
2
Title
Size Document Number Rev
Custom
Date: Sheet
Gigabyte Technology
GMCH-DDRII
945GM-DS2
1
9 34Wednesday, November 08, 2006
2.0
of
5
www.kythuatvitinh.com
4
U2B
3
2
1
EXP_A_RXP0
EXP_A_RXN0
D D
C C
SRCCLK_MCH[21]
-SRCCLK_MCH[21]
B B
EXP_A_RXP1
EXP_A_RXN1
EXP_A_RXP2
EXP_A_RXN2
EXP_A_RXP3
EXP_A_RXN3
EXP_A_RXP4
EXP_A_RXN4
EXP_A_RXP5
EXP_A_RXN5
EXP_A_RXP6
EXP_A_RXN6
EXP_A_RXP7
EXP_A_RXN7
EXP_A_RXP8
EXP_A_RXN8
EXP_A_RXP9
EXP_A_RXN9
EXP_A_RXP10
EXP_A_RXN10
EXP_A_RXP11
EXP_A_RXN11
EXP_A_RXP12
EXP_A_RXN12
EXP_A_RXP13
EXP_A_RXN13
EXP_A_RXP14
EXP_A_RXN14
EXP_A_RXP15
EXP_A_RXN15
GRCOMP
G12
F12
D11
D12
J13
H13
E10
F10
H10
M6
M7
U11
U10
Y10
Y11
AC12
AC11
B14
B16
J9
F7
F9
C4
D3
G6
J6
K9
K8
F4
G4
K2
L1
R8
R7
P4
N3
EXPARXP0
EXPARXN0
EXPARXP1
EXPARXN1
EXPARXP2
EXPARXN2
EXPARXP3
EXPARXN3
EXPARXP4
EXPARXN4
EXPARXP5
EXPARXN5
EXPARXP6
EXPARXN6
EXPARXP7
EXPARXN7
EXPARXP8
EXPARXN8
EXPARXP9
EXPARXN9
EXPARXP10
EXPARXN10
EXPARXP11
EXPARXN11
EXPARXP12
EXPARXN12
EXPARXP13
EXPARXN13
EXPARXP14
EXPARXN14
EXPARXP15
EXPARXN15
EXPCOMPO
EXPCOMPI
GCLKP
GCLKN
EXPATXP0
EXPATXN0
EXPATXP1
EXPATXN1
EXPATXP2
EXPATXN2
EXPATXP3
EXPATXN3
EXPATXP4
EXPATXN4
EXPATXP5
EXPATXN5
EXPATXP6
EXPATXN6
EXPATXP7
EXPATXN7
EXPATXP8
EXPATXN8
EXPATXP9
EXPATXN9
EXPATXP10
EXPATXN10
EXPATXP11
EXPATXN11
EXPATXP12
EXPATXN12
EXPATXP13
EXPATXN13
EXPATXP14
EXPATXN14
EXPATXP15
EXPATXN15
DMITXP0
DMITXN0
DMITXP1
DMITXN1
DMITXP2
DMITXN2
DMITXP3
DMITXN3
DMIRXP0
DMIRXN0
DMIRXP1
DMIRXN1
DMIRXP2
DMIRXN2
DMIRXP3
DMIRXN3
D14
C13
A13
B12
A11
B10
C10
C9
A9
B7
D7
D6
A6
B5
E2
F1
G2
J1
J3
K4
L4
M4
M2
N1
P2
T1
T4
U4
U2
V1
V3
W4
W2
Y1
AA2
AB1
Y4
AA4
AB3
AC4
Y7
Y8
AA9
AA10
AA6
AA7
AC9
AC8
EXP_A_TXP0
EXP_A_TXN0
EXP_A_TXP1
EXP_A_TXN1
EXP_A_TXP2
EXP_A_TXN2
EXP_A_TXP3
EXP_A_TXN3
EXP_A_TXP4
EXP_A_TXN4
EXP_A_TXP5
EXP_A_TXN5
EXP_A_TXP6
EXP_A_TXN6
EXP_A_TXP7
EXP_A_TXN7
EXP_A_TXP8
EXP_A_TXN8
EXP_A_TXP9
EXP_A_TXN9
EXP_A_TXP10
EXP_A_TXN10
EXP_A_TXP11
EXP_A_TXN11
EXP_A_TXP12
EXP_A_TXN12
EXP_A_TXP13
EXP_A_TXN13
EXP_A_TXP14
EXP_A_TXN14
EXP_A_TXP15
EXP_A_TXN15
DMI_0TXP
DMI_0TXN
DMI_1TXP
DMI_1TXN
DMI_2TXP
DMI_2TXN
DMI_3TXP
DMI_3TXN
DMI_0RXP
DMI_0RXN
DMI_1RXP
DMI_1RXN
DMI_2RXP
DMI_2RXN
DMI_3RXP
DMI_3RXN
DMI_0TXP [18]
DMI_0TXN [18]
DMI_1TXP [18]
DMI_1TXN [18]
DMI_2TXP [18]
DMI_2TXN [18]
DMI_3TXP [18]
DMI_3TXN [18]
DMI_0RXP [18]
DMI_0RXN [18]
DMI_1RXP [18]
DMI_1RXN [18]
DMI_2RXP [18]
DMI_2RXN [18]
DMI_3RXP [18]
DMI_3RXN [18]
EXP_A_TXP[0..15]
EXP_A_TXN[0..15]
EXP_A_RXP[0..15]
EXP_A_RXN[0..15]
VCC1_5
BC28
4.7u/8/Y5V/10V/Z
R59
24.9/6/1
GRCOMP
EXP_A_TXP[0..15] [14]
EXP_A_TXN[0..15] [14]
EXP_A_RXP[0..15] [14]
EXP_A_RXN[0..15] [14]
945G/A2/[10HB1-033000-22R]
A A
Title
Gigabyte Technology
GMCH-PCI E & DMI
Size Document Number Rev
Custom
5
4
3
Date: Sheet of
2
945GM-DS2
2.0
10 34Wednesday, November 08, 2006
1
5
www.kythuatvitinh.com
U2H
D D
C C
BSEL0[5]
BSEL1[5]
BSEL2[5]
DDR25V_MCH
SDVO_CLDATA[14]
SDVO_CLCLK[14]
EXP_SLR
EXP_EN
EXP_SLR
EXP_EN
VCC1_5
R77 8.2K/4
R1594 33/4
R1595 33/4
0315-->intel
25 mil space
-EXTTS
R84
1K/4/X
R87
0/6/SHT/X
F21
BSEL0
H21
BSEL1
L20
BSEL2
K18
ALLZTEST
H20
XORTEST
L18
RSV_TP(5)
K21
EXP_SLR
L21
RSV_TP(4)
F20
EXP_EN
N21
RSV_TP(6)
M17
RSVD
L17
RSVD
M11
RSVD
J20
EXTTS*
F15
SDVO_CTRLDATA
E15
SDVO_CTRLCLK
945G/A2/[10HB1-033000-22R]
EXP_EN_HDR [14]
HSYNC
VSYNC
GREEN
BLUE
RED*
GREEN*
BLUE*
DREFCLKP
DREFCLKN
IREF
PWROK
RSTIN#
RSVD
ICH_SYNC#
DDC_DATA
DDC_CLK
DDR25V_DAC:75mA
R81
8.2K/4
DDCDATA
B B
DDCCLK
DDR25V_DAC [13]
R82
8.2K/4
VCC3
Q3
2N7002/SOT23/25pF/5
G S
2
D
3
1
SOT23
VCC3
R79
2.2K/4
Q4
2N7002/SOT23/25pF/5
G S
2
D
1
SOT23
RED
4
R1545 33/4
D17
R1546 33/4
C17
R
F17
G
K17
H18
G17
J17
J18
DOTCLK
J15
-DOTCLK
H15
A20
AJ9
AJ12
V30
M18
N18
N20
VCC
3
R80
2.2K/4
REFSET
PWROK1
-PFMRST
-ICHSYNC
DDCDATA
DDCCLK
R75 255/6/1
-PFMRST
C30
33P/4/NPO/50V/J
GHSYNC
GVSYNC
DOTCLK [21]
-DOTCLK [21]
C27
33P/4/NPO/50V/J
-PFMRST [19,24]
VGADDCDATA
VGADDCCLK
PWROK1 [19,24]
-ICHSYNC [19]
ESD36
ESD
ESD37
ESD
R72
75/6
ESD39
ESD
R73
75/6
3
R74
75/6
3.3p/4/NPO/50V/C/X
VGA_R
VGA_G
VGA_B
BAV99/SOT23/300mA
Q315
132
GHSYNC
GVSYNC
C32
3.3p/4/NPO/50V/C/X
FUSEVCC
BC30
0.1u/6/Y5V/25V/Z/X
BAV99/SOT23/300mA
Q316
132
C31
Q308
BAV99/SOT23/300mA
1617
6
1
7
2
8
3
9
4
10
5
Q307
132
132
VGA
11
12
13
14
15
BAV99/SOT23/300mA
C21
3.3p/4/NPO/50V/C/X
C29
0.1u/6/Y5V/25V/Z
132
Q309
BAV99/SOT23/300mA
BC730
0.1u/6/Y5V/25V/Z
VGADDCDATA
GHSYNC
GVSYNC
VGADDCCLK
ESD42
ESD
2
C22
3.3p/4/NPO/50V/C/X
DDR25V_DAC [13]
VCC
ESD40
ESD
ESD41
ESD
ESD38
ESD
FB1 80/6/3A/S
FB2 80/6/3A/S
FB3 80/6/3A/S
C23
3.3p/4/NPO/50V/C/X
C24
22p/4/NPO/50V/J
C25
22p/4/NPO/50V/J
R1.0 EMI
1
VGA_R
VGA_G
VGA_BB
C26
22p/4/NPO/50V/J
132
Q313
BAV99/SOT23/300mA
A A
5
4
132
Q314
BAV99/SOT23/300mA
VCC
3
VGA/BU/SC-11/RA/D/L
Title
Size Document Number Rev
Custom
2
Date: Sheet
Gigabyte Technology
GMCH-INTERNAL VGA
945GM-DS2
11 34Wednesday, November 08, 2006
1
2.0
of
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