ECS 945p-A Schematics
1
2
3
4
5
6
7
8
( P4 LGA775P Processor with DDR2 SDRAM Mainboard )
Rev:3.0
A A
945P-A/ 945PL-A
Schematics Version History Table :
Circuit Ver. PCB Ver. Total Page Modified Page(s) Date
A
A
38
BB39
1.0 1.0 39
1.1 1.1 39
1.2 1.2 39
3.0
B B
3.0
3、4、6、7
、15、22、
29
Modify for Support Conroe and PWM RT8802A
01/20/'05
03/24/'05
04/18/'05
05/17/'05
02/21/06ADD R594
06/05/06
Page Title of Schematic :
Title Page
Cover Sheet
System Block Diagram
P4 LGA775P Part A
P4 LGA775P Part B
P4 LGA775P Part C
P4 LGA775P Part D
P4 LGA775P Part E
Clock Generator(ICS954127)
I-LP(MCH)Part A & E & F
I-LP(MCH)Part D
I-LP(MCH)Part B & C
1
2
3
PCI EXPRESS EX2 39
4
5
6
7
8
9
10
11
PageTitle
36PCI-E 88E8052 GIGA LAN
37PCI-E SERIAL ATA SiI3132_1
38PCI-E SERIAL ATA SiI3132_2
12I-LP(MCH)Part G
DDIMM 1&2 ( DDR SDRAMs )
DDIMM 3&4 ( DDR SDRAMs )
DDR & V_FSB_VTT Power
PCI EXPRESS 16-PORT
ICH7 Part A & D (SATA-CONNECTOR)
ICH7 Part B & C (RTC)
ICH7 Part E & F (POWER & GND)
IDE1 Connector
C C
USB/FWH
LPC_FDD/KB/M
I/O Ports
H/W Monitor
Azalia Codec
Audio Interface
ATX Power & Front Panel
LAN
Vcore DC-DC
MIS DC-DC(DUAL & VDDQ)
D D
PCI Slot 1&2
Back I/O
PCI Slot 3
VT6308 (1394)
PCIE X1
1
2
3
4
5
6
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
Date: Sheet of
7
Cover Sheet
945P-A/945PL-A
140Tuesday, June 27, 2006
8
3.0
A
DEVICE
4 4
IDSEL17INT#
PCI1
PCI2
PCI3 19 E/F/G/H PREQ-2 PGNT-2
1394
LAN
C/D/E/F
18 D/E/F/G PREQ-1 PGNT-1
20 PREQ-3 PGNT-3
21 PREQ-4 PGNT-4
REQ#
PREQ-0
G
F
GNT#
PGNT-0
BW :4.1GB/s @ FSB : 533MHz & Freq : 133MHz
BW : 6.4GB/s @ FSB : 800MHz & Freq : 200MHz
BW : 6.4GB/s @ FSB : 1066MHz & Freq : 266MHz
B
C
D
E
PCB : 305 x 244 mm ; 4 layers
INTEL
P4 Processor
PSC, Smithfield -
LGA 775 pin
BW : 10.7GB/s @ DDR2 :533/667MHz
DDIMM1: DDR2 Socket 240P
PCIEx16
INTEL
i945P
DDIMM2 : DDR2 Socket 240P
DDIMM3: DDR2 Socket 240P
1210pin FC-BGA
BW : 2GB/s (Support Lsoch)
3 3
USB1
2 ports
USB2
2 ports
USB3
2 ports
USB4
2 ports
Up to Ultra ATA/100
IDE1 40pin
Line in
Line out
Mic in
Center/Bass out
Surround
2 2
Side-Surround
Audio Codec
ALC880
SATA1 7Pin
SATA2 7pin
SATA3 7Pin
BW : 150MB/s
Azalia I/F
32pin PLCC
SATA4 7pin
USB V2.0
One IDE Channel
intel
FWH
TPM 1.1
INTEL
ICH7R
652pin EBGA
LPC bus
Super I/O
W83627THF
128pin PQFP
BW : 133MB/s @Freq : 33MHz
VIA 1394
USBLAN SATA5 7Pin
RJ45
10/100
Lan
DDIMM4 : DDR2 Socket 240P
Sil3132M88E8053
PCIEx1
PCI1 Slot 120pin @ AD17
PCI2 Slot 120pin @ AD18
PCI3 Slot 120pin @ AD19
SATA6 7pin
PCIEX2
USBLAN
CONN/
RJ45
HEADER
1 1
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
A
B
C
D
Date: Sheet
System Block Diagram
945P-A/945PL-A
240Tuesday, June 27, 2006
E
3.0
of
5
R664 1K-04-X
R665 1K-04-X R1 51-1
MCH_GTLREF_CPU
R7 0
R9 0
R11 49.9-1
H_D0
H_D1
H_D2
H_D3
H_D4
H_D5
H_D6
H_D7
H_D8
H_D9
H_D10
H_D11
H_D12
H_D13
H_D14
H_D15
H_D16
H_D17
H_D18
H_D19
H_D20
H_D21
H_D22
H_D23
H_D24
H_D25
H_D26
H_D27
H_D28
H_D29
H_D30
H_D31
H_D32
H_D33
H_D34
H_D35
H_D36
H_D37
H_D38
H_D39
H_D40
H_D41
H_D42
H_D43
H_D44
H_D45
H_D46
H_D47
H_D48
H_D49
H_D50
H_D51
H_D52
H_D53
H_D54
H_D55
H_D56
H_D57
H_D58
H_D59
H_D60
H_D61
H_D62
H_D63
H_RS0_L
H_RS1_L
H_RS2_L
R666 61-04
BC1
VTT_OUT_L
CPU_GTLREF34
D D
C C
B B
MCH_GTLREF_CPU9
VSSSEN4,29
VCCSEN4,29
H_D09
H_D19
H_D29
H_D39
H_D49
H_D59
H_D69
H_D79
H_D89
H_D99
H_D109
H_D119
H_D129
H_D139
H_D149
H_D159
H_D169
H_D179
H_D189
H_D199
H_D209
H_D219
H_D229
H_D239
H_D249
H_D259
H_D269
H_D279
H_D289
H_D299
H_D309
H_D319
H_D329
H_D339
H_D349
H_D359
H_D369
H_D379
H_D389
H_D399
H_D409
H_D419
H_D429
H_D439
H_D449
H_D459
H_D469
H_D479
H_D489
H_D499
H_D509
H_D519
H_D529
H_D539
H_D549
H_D559
H_D569
H_D579
H_D589
H_D599
H_D609
H_D619
H_D629
H_D639
H_RS0_L9
H_RS1_L9
H_RS2_L9
VTT_OUT_R
0.1U/25V
B4
C5
A4
C6
A5
B6
B7
A7
A10
A11
B10
C11
D8
B12
C12
D11
G9
F8
F9
E9
D7
E10
D10
F11
F12
D13
E13
G13
F14
G14
F15
G15
G16
E15
E16
G18
G17
F17
F18
E18
E19
F20
E21
F21
G21
E22
D22
G22
D20
D17
A14
C15
C14
B15
C18
B16
A17
B18
C21
B21
B19
A19
A22
B22
B3
F5
A3
CPU1A
LGA775
LG-775-J3
H_BPM2_1
VSS_SENSE_AN6VSSSEN
VCC_SENSE_AN5VCCSEN
COMP7
A20
AC4
AE3
AE4
AE6
AH2
AN5
AN6C9D1
D14
D16
E23
E24E5E6E7F23
D0
D1
D2
D3
RESERVED0
RESERVED1
RESERVED2
RESERVED3
RESERVED4
RESERVED5
RESERVED7
RESERVED8
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
D32
D33
D34
D35
D36
D37
D38
D39
D40
D41
D42
D43
D44
D45
D46
D47
D48
D49
D50
D51
D52
D53
D54
D55
D56
D57
D58
D59
D60
D61
D62
D63
RS0
RS1
RS2
RESERVED9
RESERVED10
RESERVED11
RESERVED12
RESERVED13
RESERVED14
RESERVED15
RESERVED16
RESERVED17
4
ICT_775_E23
ICT_775_E7
ICT_775_F23
ICT_775_F6
CPU_GTLREF3
F29F6G10
B13J3N4N5P5V1W1Y3D23
RESERVED18
RESERVED19
RESERVED20
RESERVED21
COMP8
LG-775-J3
RESERVED22
RESERVED25
RESERVED26
RESERVED27
STP1
Testing Point
1
STP2
Testing Point
1
STP3
1
Testing Point
R523 51-1-O
AK6
RESERVED28
RESERVED30
RESERVED31
RESERVED32
RESERVED33
RESERVED34
COMP6
G6
RESERVED35
R4 51-1
R5 49.9-1
AM2
AL5
AM3
AL6
VID0
VID1
VID2
VID3
AK4
AL4
VID4
AM7
AM5
AN7
VID5
VID7
VID6
BOOTSELECT
A3
A4
A5
A6
VID_SELECT
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
BPM0
BPM1
BPM2
BPM3
BPM4
BPM5
DP0
DP1
DP2
DP3
REQ0
REQ1
REQ2
REQ3
REQ4
SKTOCC
TESTH0
TESTH1
TESTH2
TESTH3
TESTH4
TESTH5
TESTH6
TESTH7
TESTH8
TESTH9
TESTH10
TESTH11
TESTH12
FORCEPH_N
VID0
VID1
VID2
VID3
VID4
VID5
VID6
VID7
VID_SELECT
L5
P6
M5
L4
M4
R4
T5
U6
T4
U5
U4
V5
V4
W5
AB6
W6
Y6
Y4
AA4
AD6
AA5
AB5
AC5
AB4
AF5
AF4
AG6
AG4
AG5
AH4
AH5
AJ5
AJ6
AJ2
AJ1
AD2
AG2
AF2
AG3
J16
H15
H16
J17
K4
J5
M6
K6
J6
AE8
F26
W3
F25
G25
G27
G26
G24
F24
G3
G4
H5
P1
W2
Y1
H_A3
H_A4
H_A5
H_A6
H_A7
H_A8
H_A9
H_A10
H_A11
H_A12
H_A13
H_A14
H_A15
H_A16
H_A17
H_A18
H_A19
H_A20
H_A21
H_A22
H_A23
H_A24
H_A25
H_A26
H_A27
H_A28
H_A29
H_A30
H_BPM0
H_BPM1
H_BPM2
H_BPM3
H_BPM4
H_BPM5
ICT_775_J16
ICT_775_H15
ICT_775_H16
ICT_775_J17
H_REQ0
H_REQ1
H_REQ2
H_REQ3
H_REQ4
TESTHI0
TESTHI1
TESTHI2_7
H_BPM2_3
H_BPM2_2
TESTHI10
TESTHI11
TESTHI12
3
H_VCCPLL
VTT_OUT_R
V_FSB_VTT
VTT_OUT_R
FORCEPH_N 15,29
VID_SELECT 29
H_A3 9
H_A4 9
H_A5 9
H_A6 9
H_A7 9
H_A8 9
H_A9 9
H_A10 9
H_A11 9
H_A12 9
H_A13 9
H_A14 9
H_A15 9
H_A16 9
H_A17 9
H_A18 9
H_A19 9
H_A20 9
H_A21 9
H_A22 9
H_A23 9
H_A24 9
H_A25 9
H_A26 9
H_A27 9
H_A28 9
H_A29 9
H_A30 9
H_A31 9
STP5
STP6
1
STP7
1
STP8
1
Testing Point
1
Testing Point
Testing Point
Testing Point
H_REQ0 9
H_REQ1 9
H_REQ2 9
H_REQ3 9
H_REQ4 9
R668 51-04
R669 51-04
TESTHI12 6
R667 1K-04-X
R690 0-O
R691 0
VTT_OUT_L
VID0
VID1
VID2
VID3
VID4
VID5
VID6
VID7
VTT_OUT_R
2
RN42
680-8P4R
1 2
3 4
5 6
7 8
RN1
680-8P4R
1 2
3 4
5 6
7 8
H_BPM0
H_BPM1
H_BPM2
H_BPM3H_A31
H_BPM4
H_BPM5
CPUVID0 29
CPUVID1 29
CPUVID2 29
CPUVID3 29
CPUVID4 29
CPUVID5 29
CPUVID6 29
CPUVID7 29
ER1 51-04
ER2 51-04
ER3 51-04
ER4 51-04
ER5 51-04
ER6 51-04
VTT_OUT_R
1
Please BPM TERMINATION NEAR to CPU
TESTHI0
TESTHI2_7
TESTHI1
TESTHI10
TESTHI11
R16 51-1
R17 51-1
R18 51-1
R19 51-1
R22 51-1
R23 51-1
VTT_OUT_LTESTHI12
VTT_OUT_L
V_FSB_VTT
VTT_OUT_L
Please Rs & CAPs Close to CPU
COMP8
ER151 24.9-1-04
3VSBY
0-04
1 2
450-1-04-X
1 2
G
Q103
2N7002-S
1_8VSTR+12V
D
S
V_SFR_OUT
C250
.1U-04
1 2
3
28.7K-1-04
ER152
1 2
ER150 24.3K-1-04
1 2
A A
5
C249
.1U-04
1 2
4
84
3
+
1
2
-
U4A
LM358
ER143
ER153
V_SFR_OUT
VCCPLL SUPPLY
VDDQ
Soure Net V_1P5_ICH
FORCEPH_N
VID_SELECT
1 2
L71 FB-600-2A-08
1 2
L72 FB-600-2A-08-X
ER146 130-1-04
R661 1K-04
2
H_VCCPLL
VTT_OUT_R
BC278
.1U-04
H_VCCPLL
BC277
.01U-04
Elitegroup Computer Systems
Title
Size Document Number Rev
C
Date: Sheet
P4 LGA775P Part A
945P-A/945PL-A
1
340Tuesday, June 27, 2006
3.0
of
5
4
3
2
1
R6870
CPU_THERM1 22,24
THRMDN 24
R6880
THERMTRIP_L 18
VTT_OUT_RCPUGTLREF1
C2
VTT_OUT_R
C4
1
STP29
CPU_GTLREF2
1
STP32
VTT_OUT_R
0.01U/50V
VTT_OUT_R
GTLREF= 0.67 * VTT = 0.8V
GTLREF GENERATION CIRCUITS
0.01U/50V
HINIT_L 18
C6
33P/50V-O
THRMDN
CPU_THERM1
C260
H_TDO
PROCHOT_L
FERR_L
THERMTRIP_L
H_IERR_L
H_CPUPWRGD
TESTHI13
H_BREQ0_L
H_CPURST_L
R35 62-1
C5
1000P/50V-O
C7
22P/50V-O
H_FSBSEL0
H_FSBSEL1
H_FSBSEL2
BSEL resistors can be removed IF
H_FSBSEL0
ONLY TEJAS AND CEDAR MILL ARE
ER147 130-1-04-X
R679 62-04
R680 62-04
VTT_OUT_R
R36 100
R37 51
R38 62-1
R39 62-1
CPU SIGNAL
TERMINATION
R40 470-1
R41 470-1
R42 470-1
CLOSE TO
CPU
SUPPORTED
100P-04
ER11 62
VTT_OUT_R
PLACE TDO TERMINATION NEAR CONNECTOR
BC2 0.1U/25V
1 2
BC3 0.1U/25V
1 2
V_FSB_VTT
VTT_OUT_L
V_FSB_VTT
1U/25V
1U/25V
ER8
210-1
ER10
210-1
A20M_L 18
H_ADS_L 9
H_A_STB0 9
H_A_STB1 9
H_BNR_L 9
H_BPRI_L 9
H_BREQ0_L 9
HWRST_L 17,27
H_DBSY_L 9
H_DEFER_L 9
H_DRDY_L 9
FERR_L 18
H_HIT_L 9
H_HITM_L 9
IGNNE_L 18
H_LOCK_L 9
1
1
PROCHOT_L 15,29
H_CPUPWRGD 17
H_CPURST_L 9
SMI_L 18
STPCLK_L 18
H_TRDY_L 9
H_FSBSEL0 40
H_FSBSEL1 40
H_FSBSEL2 40
1
STP12
1
STP11
ER7 124-1
ER9 124-1
STP30
STP31
12
R32
10
R33
10
CPU_THERM2
THRMDN2
MC1
12
MC2
A20M_L
H_ADS_L
H_A_STB0
H_A_STB1
H_BNR_L
H_BPRI_L
H_BREQ0_L
HWRST_L
H_DBSY_L
H_DEFER_L
H_DRDY_L
FERR_L
H_HIT_L
H_HITM_L
H_IERR_L
IGNNE_L
HINIT_L
H_LOCK_L
PECI
PROCHOT_L
H_CPUPWRGD
H_CPURST_L
TESTHI13
SMI_L
STPCLK_L
H_TRDY_L
H_TRST_L
THERMTRIP_L
H_FSBSEL0
H_FSBSEL1
H_FSBSEL2
ICT_775_U2
ICT_775_U3
C1
220P/50V
Place componets as close as possible to Processor socket
trace width to cap must be no smaller than 12 Mils
D D
V_FSB_VTT
L1 10uH-08
L2 10uH-08
CK_CPU_H8
CK_CPU_L8
C C
LL= LOAD LINE for load line select
B B
VCCSEN3,29
VSSSEN3,29
H_DBI09
H_DBI19
H_DBI29
H_DBI39
H_D_STBN09
H_D_STBN19
H_D_STBN29
H_D_STBN39
H_D_STBP09
H_D_STBP19
H_D_STBP29
H_D_STBP39
INTR18
NMI18
R34 0
MC3 1U/25V
EC1 100uF-16V
MC4 1U/25V
STP28
STP33
VCCSEN
VSSSEN
1 2
+
1 2
CK_CPU_H
CK_CPU_L
COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
H_DBI0
H_DBI1
H_DBI2
H_DBI3
H_D_STBN0
H_D_STBN1
H_D_STBN2
H_D_STBN3
H_D_STBP0
H_D_STBP1
H_D_STBP2
H_D_STBP3
INTR
NMI
LL_ID0
1
1
H_TCK
H_TDI
H_TDO
H_TMS
R607 0-04-O
R608 0-04-O
C23
A23
B23
F28
G28
AK3
AJ3
A13
G11
D19
C20
G12
G20
A16
E12
G19
C17
AA2
AE1
AD1
AF1
AC1
AN3
AN4
CPU1B
T1
G2
R1
J2
T2
A8
C8
B9
K1
L1
V2
VCCIOPLL
VCCA
VSSA
BCLK0
BCLK1
ITPCLK0
ITPCLK1
COMP0
COMP1
COMP2
COMP3
COMP4
COMP5
DBI0
DBI1
DBI2
DBI3
DSTBN0
DSTBN1
DSTBN2
DSTBN3
DSTBP0
DSTBP1
DSTBP2
DSTBP3
LINT0
LINT1
LL_ID0
LL_ID1
TCK
TDI
TDO
TMS
VCCSENSE
VSSSENSE
LGA775
CPUGTLREF0
C3
220P/50V
H1
H2
H29
K3
A20M
D2
ADS
R6
ADSTB0
GTLREF0
GTLREF1
GTLREF_SEL
ADSTB1
BINIT
BNR
BPRI
BR0
DBR
DBSY
DEFER
DRDY
EDRDY
FERR/PBE
HITM
IERR
IGNNE
INIT
LOCK
MCERR
PC_REQ
PROCHOT
PWRGOOD
RESET
RSP
SLP
STPCLK
TRDY
TRST
THERMDA
THERMDC
THERMTRIP
BSEL0
BSEL1
BSEL2
AP0
AP1
AD5
AD3
C2
G8
F3
AC2
B2
G7
C1
F2
R3
D4
HIT
E4
AB2
N2
P3
C3
AB3
G5
AL2
N1
G23
H4
L2
P2
SMI
M3
E3
AG1
AL1
AK1
M2
G29
H30
G30
U2
U3
COMP4
ER14 49.9-1
COMP5
ER16 49.9-1
COMP2
ER18 49.9-1
COMP3
A A
COMP0
COMP1
ER19 49.9-1
ER20 49.9-1
ER21 49.9-1
VTT_OUT_L
VTT_OUT_L
BC4
0.1U/25V
CPU_GTLREF33
CPU_GTLREF2
10-04-X
C275
220P-04-X
CPU_GTLREF3 VTT_OUT_L
10-04-X
C281
220P-04-X
R621
R622
12
C273
12
C272
1U-X
1U-X
ER145 124-1-04-X
ER148
210-1-04-X
ER144 124-1-04-X
ER149
210-1-04-X
Place outside Socket Cavity
VTT_OUT_L
C247
.01U-04
C246
.01U-04
VTT_OUT_L
VTT_OUT_L
B
H_TDI
H_TMS
H_TCK
H_TRST_L
C
C
B
E
5
4
3
E
2
ER12 62
ER13 62
ER15 62
ER17 62
C
C
2N3904S
BE
BE
PLACE TCK/TDI/TMS TERMINATION NEAR CPU
WITHIN 1.5" OF CPU, IDEALLY NEXT TO
IT.
PLACE TRST_L TERMINATION ANYWHERE ON ROUTE
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
Date: Sheet of
P4 LGA775P Part B
945P-A/945PL-A
1
440Tuesday, June 27, 2006
3.0
5
VCCP
D D
AA8
AB8
AC23
AC24
AC25
AC26
AC27
AC28
AC29
AC30
AC8
AD23
AD24
AD25
AD26
AD27
AD28
VCC0
VCC1
VCC2
VCC3
VCC4
VCC5
VCC6
VCC7
VCC8
VCC9
VCC10
VCC11
VCC12
VCC13
VCC14
VCC15
VCC16
C C
AD29
VCC17
AD30
VCC18
AD8
VCC19
AE11
VCC20
AE12
VCC21
AE14
VCC22
4
AE15
VCC23
AE18
VCC24
AE19
VCC25
AE21
AE22
VCC26
VCC27
AE23
AE9
VCC28
VCC29
AF11
VCC30
AF12
VCC31
AF14
VCC32
AF15
VCC33
AF18
VCC34
AF19
VCC35
AF21
VCC36
AF22
VCC37
AF8
AF9
VCC38
AG11
VCC39
VCC40
AG12
VCC41
AG14
VCC42
AG15
VCC43
AG18
AG19
VCC44
VCC45
AG21
VCC46
AG22
AG25
VCC47
VCC48
AG26
VCC49
AG27
VCC50
AG28
VCC51
AG29
VCC52
AG30
VCC53
AG8
VCC54
AG9
VCC55
AH11
VCC56
AH12
AH14
VCC57
VCC58
3
AH15
AH18
VCC59
VCC60
AH19
VCC61
AH21
AH22
VCC62
AH25
VCC63
VCC64
AH26
VCC65
AH27
VCC66
AH28
VCC67
AH29
VCC68
AH30
VCC69
AH8
VCC70
AH9
VCC71
AJ11
VCC72
AJ12
VCC73
AJ14
VCC74
AJ15
VCC75
AJ18
VCC76
AJ19
VCC77
AJ21
VCC78
AJ22
AJ25
VCC79
VCC80
AJ26
VCC81
AJ8
VCC82
AJ9
VCC83
AK11
VCC84
AK12
VCC85
AK14
VCC86
AK15
VCC87
AK18
VCC88
AK19
VCC89
AK21
VCC90
AK22
VCC91
AK25
VCC92
AK26
VCC93
2
AK8
VCC94
AK9
VCC95
AL11
VCC96
AL12
VCC97
AL14
VCC98
AL15
VCC99
AL18
VCC100
AL19
VCC101
AL21
VCC102
AL22
VCC103
AL25
AL26
VCC104
VCC105
AL29
AL30
VCC106
VCC107
AL8
VCC108
AL9
VCC109
AM11
VCC110
AM12
VCC111
AM14
AM15
VCC112
VCC113
AM18
VCC114
AM19
VCC115
AM21
VCC116
AM22
VCC117
AM25
VCC118
AM26
VCC119
AM29
VCC120
AM30
VCC121
CPU1C
LGA775
1
B B
VCC122
VCC123
VCC124
VCC125
VCC126
VCC127
VCC128
VCC129
VCC130
VCC131
VCC132
VCC133
VCC134
VCC135
VCC136
VCC137
VCC138
VCC139
VCC140
VCC141
VCC142
VCC143
VCC144
VCC145
VCC146
VCC147
VCC148
VCC149
VCC150
VCC151
VCC152
VCC153
VCC154
VCC155
VCC156
VCC157
VCC158
VCC159
VCC160
VCC161
VCC162
VCC163
VCC164
VCC165
VCC166
VCC167
VCC168
VCC169
VCC170
VCC171
VCC172
VCC173
VCC174
VCC175
VCC176
VCC177
VCC178
VCC179
VCC180
VCC181
VCC182
VCC183
VCC184
VCC185
VCC186
VCC187
VCC188
VCC189
VCC190
VCC191
VCC192
VCC193
VCC194
VCC195
VCC196
VCC197
VCC198
VCC199
VCC200
VCC201
VCC202
VCC203
VCC204
VCC205
VCC206
VCC207
VCC208
VCC209
VCC210
VCC211
VCC212
VCC213
VCC214
VCC215
VCC216
VCC217
VCC218
VCC219
VCC220
VCC221
VCC222
VCC223
VCC224
VCC225
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
J30J8J9
K23
K24
K25
K26
K27
K28
K29
K30K8L8
M23
M24
M25
M26
M27
M28
M29
M30M8N23
N24
N25
N26
N27
N28
N29
N30N8P8R8T23
T24
T25
T26
T27
T28
T29
T30T8U23
U24
U25
U26
U27
U28
U29
U30U8V8
W23
W24
W25
W26
W27
W28
W29
W30W8Y23
Y24
Y25
Y26
Y27
Y28
Y29
Y30
Y8
VCCP
A A
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet of
P4 LGA775P Part C
945P-A/945PL-A
540Tuesday, June 27, 2006
1
3.0
5
D D
CPU1D
LGA775
AF20
AF17
AF16
AF13
AF10
AE7
AE5
AE30
AE29
AE28
AE27
AE26
AE25
AE24
AE20
AE2
AE17
AE16
C C
R670
1K-04-X
B B
AE13
AE10
AB30
AB29
AB28
AB27
AB26
AB25
AB24
AB23
AA30
AA29
AA28
AA27
AA26
AA25
AA24
AA23
AD7
AD4
AC7
AC6
AC3
AB7
AB1
AA7
AA6
AA3
A9
A6
A24
A21
A2
A18
A15
A12
VSS53
VSS52
VSS51
VSS50
VSS49
VSS48
VSS47
VSS46
VSS45
VSS44
VSS43
VSS42
VSS41
VSS40
VSS39
VSS38
VSS37
VSS36
VSS35
VSS34
VSS33
VSS32
VSS31
VSS30
VSS29
VSS28
VSS27
VSS26
VSS25
VSS24
VSS23
VSS22
VSS21
VSS20
VSS19
VSS18
VSS17
VSS16
VSS15
VSS14
VSS13
VSS12
VSS11
VSS10
VSS9
VSS8
VSS7
VSS6
VSS5
VSS4
VSS3
VSS2
VSS1
VSS0
AF23
AF24
AF25
AF26
AF27
AF28
AF29
AF3
AF30
AF6
AF7
AG10
AG13
AG16
AG17
AG20
AG23
AG24
AG7
VSS54
VSS55
VSS56
VSS57
VSS58
VSS59
VSS60
VSS61
VSS62
VSS63
VSS64
VSS65
VSS66
VSS67
VSS68
VSS69
VSS70
VSS71
VSS72
4
AH1
AH10
AH13
AH16
AH17
AH20
AH23
AH24
AH3
AH6
AH7
AJ10
AJ13
AJ16
AJ17
AJ20
AJ23
AJ24
AJ27
AJ28
AJ29
AJ30
AJ4
AJ7
AK10
AK13
AK16
AK17
AK2
AK20
AK23
AK24
AK27
AK28
AK29
AK30
VSS73
VSS74
VSS75
VSS76
VSS77
VSS78
VSS79
VSS80
VSS81
VSS82
VSS83
VSS84
VSS85
VSS86
VSS87
VSS88
VSS89
VSS90
VSS91
VSS92
VSS93
VSS94
VSS95
VSS96
VSS97
VSS98
VSS99
VSS100
VSS101
VSS102
VSS103
VSS104
VSS105
VSS106
VSS107
3
AK5
AK7
AL10
AL13
AL16
AL17
AL20
AL23
AL24
AL27
AL28
AL3
AL7
AM1
AM10
AM13
AM16
AM17
AM20
AM23
AM24
AM27
AM28
E17
VSS108
VSS109
VSS110
VSS111
VSS112
VSS113
VSS114
VSS115
VSS116
VSS117
VSS118
VSS119
VSS120
VSS121
VSS122
VSS123
VSS124
VSS125
VSS126
VSS127
VSS128
VSS129
VSS130
VSS131
VSS173
VSS172
VSS171
VSS170
VSS169
VSS168
VSS167
VSS166
VSS165
VSS164
VSS163
VSS162
VSS161
VSS160
VSS159
VSS158
VSS157
VSS156
VSS155
VSS154
VSS153
VSS152
VSS151
VSS150
VSS149
VSS148
VSS147
VSS146
VSS144
VSS143
VSS142
VSS141
VSS140
VSS139
VSS138
VSS137
VSS136
VSS135
VSS134
VSS132
VSS275
VSS274
VSS273
VSS272
VSS271
VSS270
VSS269
VSS268
VSS267
VSS266
VSS265
VSS264
VSS263
VSS262
VSS261
E14
E11
D9
D6
D5
D3
D24
D21
D18
D15
D12
C7
C4
C24
C22
C19
C16
C13
C10
B8
B5
B24
B20
B17
B14
B11
B1
AN28
AN27
AN24
AN23
AN20
AN2
AN17
AN16
AN13
AN10
AN1
AM4
Y7
Y5
Y2
W7
W4
V7
V6
V30
V3
V29
V28
V27
V26
V25
V24
2
1
VSS174
VSS175
VSS176
VSS177
VSS178
VSS179
VSS180
VSS181
VSS182
VSS183
VSS184
VSS185
VSS186
VSS187
VSS188
VSS189
VSS190
VSS191
VSS192
VSS193
VSS194
VSS195
VSS196
VSS197
VSS198
VSS199
VSS200
VSS201
VSS202
VSS203
VSS204
VSS205
VSS206
VSS208
VSS209
VSS210
VSS211
VSS212
VSS213
VSS214
VSS215
VSS216
VSS217
VSS218
VSS219
VSS220
VSS221
VSS222
VSS223
VSS224
VSS225
VSS226
VSS227
VSS228
VSS229
VSS230
VSS231
VSS232
VSS233
VSS234
VSS235
VSS236
VSS237
VSS238
VSS239
VSS240
VSS241
VSS242
VSS243
VSS244
VSS245
VSS246
VSS247
VSS248
VSS249
VSS250
VSS251
VSS252
VSS253
VSS254
VSS255
VSS256
VSS257
VSS258
VSS259
VSS260
E2
E20
E25
E26
E27
E28
E29E8F10
F13
F16
F19
F22F4F7G1H10
H11
H12
H13
H14
H17
H18
H19
H20
H21
H22
H23
H24
H25
H26
H27
H28H3H6H7H8H9J4J7K2K5K7
H_BPM2_0
R678 51-04
A A
VTT_OUT_L
L23
L24
L25
L26
L27
L28
L29L3L30L6L7M1M7N3N6N7P23
P24
P25
P26
P27
P28
P29
P30P4P7R2R23
R24
R25
R26
R27
R28
R29
R30R5R7T3T6T7U1U7V23
TESTHI12
TESTHI12 3
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet of
P4 LGA775P Part D
945P-A/945PL-A
640Tuesday, June 27, 2006
1
3.0
5
4
3
2
1
VCCP
D D
MC5
12
12
10uF/10V-08
MC7
MC6
10uF/10V-08
12
12
MC8
10uF/10V-08
* Placement : Put that CAPs x18 in the processor cavity
12
12
MC9
MC10
10uF/10V-08
10uF/10V-08
MC11
10uF/10V-08
12
12
MC12
10uF/10V-08
12
MC13
10uF/10V-08
12
12
MC15
MC14
10uF/10V-08
10uF/10V-08
12
MC16
10uF/10V-08
MC17
10uF/10V-08
12
12
MC18
10uF/10V-08
12
MC20
MC19
10uF/10V-08
10uF/10V-08
12
12
MC21
10uF/10V-08
12
MC22
10uF/10V-08
10uF/10V-08
* Placement : Put that CAPs x2 on solder side
C C
B B
VCCP
SC1
PN
100uF/2V-SP-SB-O
PN
PN
SC3
SC2
100uF/2V-SP-SB-O
100uF/2V-SP-SB-O
VTT_SEL=0 for the Tejas processor
R638
22.1K-1
C262
1U
VTT_SEL15
H_VR_READY29
VTT_OUT_R
VTT_OUT_R
VTT_OUT_L
VCCSTR
R637
2.74K-1
B
PMBS3904
Q119
R636
10K
E C
R681
680-04
VTT_OUT_R
VTT_OUT_L
H_VR_READY
G
Q104
2N7002-S
VTT_OUT_R
D
S
AM6
CPU1E
LGA775
AA1
J1
F27
VTT_OUT_RIGHT
VTT_OUT_LEFT
VTT_SEL
VTTPWRGD
VTT0
VTT1
VTT2
VTT3
VTT4
VTT5
VTT6
VTT7
VTT8
VTT9
VTT10
VTT11
VTT12
VTT13
VTT14
VTT15
VTT16
VTT17
VTT18
VTT19
VTT20
VTT21
VTT22
VTT23
V_FSB_VTT
A25
A26
A27
A28
A29
A30
B25
B26
B27
B28
B29
B30
C25
C26
C27
C28
C29
C30
D25
D26
D27
D28
D29
D30
A A
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
5
4
3
2
Date: Sheet of
P4 LGA775P Part E
945P-A/945PL-A
740Tuesday, June 27, 2006
1
3.0
5
4
3
2
1
VCC3
BC5 0.1U/25V
D D
MC23
C10 0.01U/50V
C11 0.01U/50V
C12 0.01U/50V
C13 0.01U/50V
C14 0.01U/50V
VCC3_CLKA
MC25
4.7uF/10V-08
ER24
49.9-1
C20
C16 0.01U/50V
C15
0.01U/50V
ER26
ER25
49.9-1
49.9-1
C21
100P/50V-O
BC6 0.1U/25V
VCC3
C C
B B
VCCP
CK_MCH_H9
CK_MCH_L9
CK_CPU_H4
CK_CPU_L4
CK_100M_SATA_H18
CK_100M_SATA_L18
VDD_SRC_CLKA
R49 6.2K
R44
10K
2N3904
12
C17
CK_MCH_H
CK_MCH_L
CK_CPU_H
CK_CPU_L
CK_100M_SATA_H
CK_100M_SATA_L
Q7
4.7uF/16V-08
1 2
FB-600-2A-08
B
SCLK13,14,18
SDATA13,14,18
L4
0-O
R50
E C
ER23
ER22
49.9-1
49.9-1
SCLK
SDATA
100P/50V-O
VCC3
U2
1
SMBDATA16,17,18,31,33,35,36,37,39
A A
SMBCLK16,17,18,31,33,35,36,37,39
SMBDATA
SMBCLK
5
12
BC7
0.1U/25V
VDD
2
SDA
3
SCK
4
VSS
F75133S-O
NEAR PWM
OVER_C1 OVER_CK1
PWMIN
PME#
FAULT
TURBO#
R466
0-O
8
7
6
5
4.7uF/16V-08
ER27
49.9-1
VCC3 VCC3 VCC3
OVER_FAULT
L3
FB-600-2A-08
1 2
VDD_SRC_CLKA
C18 33P/50V
C19 33P/50V
R59 33
R61 33
R62 33
R63 33
R65 33
R67 33
R76
4.7K-O
OVER_CK1 17
MC24
1U/25V
3
R77
4.7K-O
5/17 V1.1
4
PD_L
X1
X-14.318M-20PF
1 2
CLKT0
CLKC0
CLKT1
CLKC1
CLKT
CLKC
R78
4.7K-O
PWM_OVER
OVER_C1
OVER_C0
OVER_C1
1
VDD_PCI-1
7
VDD_PCI-2
19
VDDSRC
28
VDDPCIEX1
34
VDDPCIEX2
42
VDDCPU
48
VDDREF
11
VDD48
37
VDDA
10
VTT_PWRGD#/PD
50
XIN
49
XOUT
44
CPU_0
43
CPU_0#
41
CPU_1
40
CPU_1#
17
SRC
18
SRC#
46
SCLK
47
SDATA
38
VSSA
2
VSS
13
VSS
16
VSS
29
VSS
51
VSS
PWM_OVER 29
R579 0-O
R580
10K-O
Q99
2N3904-O
B
02/03
D
OVER_C1
RTFS_2
RTFS_1
RTFS_0
REFOUT
FSLC/PCIF_0
FS_B/PCIF_1
PCIEX_0
PCIEX_0#
PCIEX_1
PCIEX_1#
PCIEX_2
PCIEX_2#
PCIEX_3
PCIEX_3#
PCIEX_4
PCIEX_4#
PCIEX_5
PCIEX_5#
PCIEX_6
PCIEX_6#
DOT_96_T_0
DOT_96_C_0#
FSLA/USB_48
OVERC1
OVER_C0 OVER_FAULT
E C
PCI_0
PCI_1
PCI_2
PCI_3
RST#
IREFVSS
G
Q93
S
2N7002-O
OVERC2
55
OVERC1
54
OVERC0
53
REF1
52
FS_C
8
FS_B
9
PCI_0
56
PCI_1
3
PCI_2
4
PCI_3
5
6
PCIEX_0P
20
PCIEX_0N
21
PCIEX_1P
22
PCIEX_1N
23
PCIEX_2P
24
PCIEX_2N
25
PCIEX_3P
26
PCIEX_3N
27
PCIEX_4P
31
PCIEX_4N CK_PE_100M_1PORT_L_1
30
33
PCIEX_5N
32
PCIEX_6P
36
PCIEX_6N CK_PE_100M_SATA_L
35
14
15
FS_A
12
IREF
3945
CLK1
ICS954127
VCC3
R581 0-O
Q8
R582
2N3904-O
B
10K-O
GPVCCP
R45 33
R567 33
R46 33
R48 33
R47 33
R52 33
R51 33
R53 33
R55 33
R54 33-O
R57 33
R56 33
R58 33
R60 33
R460 33
R461 33
R64 33-O
R66 33-O
R68 33
R69 33
R70 33
R71 33
R72 33-O
R73 33-O
R75 33
R74 33
ER28
475-1
R585
4.7K-O
OVERC2
R586 0-O
OVERC1
R587 0-O
OVERC0
R588 0-O
E C
3
GPVCCP 22
R583 0-O
Q100
2N3904-O
R584
B
10K-O
E C
OVERC2
ER29
49.9-1-O
18pF-O
ER30
49.9-1-O
CC1
ER31
49.9-1
R85
4.7K-O
R465
4.7K
CC2
18pF-O
ER32
49.9-1
ER33
49.9-1
ER36
ER35
ER34
49.9-1-O
49.9-1-O
49.9-1
VCC3VCC3 VCC3
R87
4.7K-O
R89
4.7K
2
ER141
49.9-1
CC7
CC5
18pF-O
18pF-O
CK_14M_ICH
CK_P_33M_ICH
CK_P_33M_FWH
CK_P_33M_SIO
PCLK1
PCLK2
PCLK3
LANPCLK
1394PCLK
DOG_RST_L
CK_PE_100M_MCH_H
CK_PE_100M_MCH_L
CK_PE_100M_LAN_H
CK_PE_100M_LAN_L
CK_PE_100M_1PORT_H_1
CK_PE_100M_1PORT_H_2PCIEX_5P
CK_PE_100M_1PORT_L_2
CK_PE_100M_SATA_H
CK_USB_48M_ICH
CK_48M_SIO
ER37
ER39
ER40
ER38
ER142
49.9-1
49.9-1
49.9-1
49.9-1
FS_C
FS_B
FS_A
Title
Size Document Number Rev
Custom
Date: Sheet of
OVERC2OVERC1 OVERC0
R84
4.7K-O
R83
4.7K
CC8
18pF-O
49.9-1
R79 10K
R81 10K
R82 10K
Elitegroup Computer Systems
Clock Generator(CK410)
PCLK1 31
PCLK2 31
PCLK3 33
LANPCLK 28
1394PCLK 34
DOG_RST_L 19
CK_PE_100M_16PORT_H 16
CK_PE_100M_16PORT_L 16
CK_PE_100M_ICH_H 18
CK_PE_100M_ICH_L 18
CK_PE_100M_MCH_H 10
CK_PE_100M_MCH_L 10
CK_PE_100M_LAN_H 36
CK_PE_100M_LAN_L 36
CK_PE_100M_1PORT_H_1 39
CK_PE_100M_1PORT_L_1 39
CK_PE_100M_1PORT_H_2 35
CK_PE_100M_1PORT_L_2 35
CK_PE_100M_SATA_H 37
CK_PE_100M_SATA_L 37
CC9
18pF-O
F_BSEL2
F_BSEL0
945P-A/945PL-A
1
CK_14M_ICH 17
AC97_14M_CLK 25
CK_P_33M_ICH 17
CK_P_33M_FWH 21
CK_P_33M_SIO 22
CK_USB_48M_ICH 18
CK_48M_SIO 22
F_BSEL2 9,40
CLK_BSEL1 40
F_BSEL0 9,40
840Tuesday, June 27, 2006
3.0
5
U3A
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
B27
C27
A28
D27
D28
M31
M29
945P
#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
HSWING
HSCOMP
HRCOMP
HDVREF
HACCVREF
HCLKP
HCLKN
#HA3
#HA4
#HA5
#HA6
#HA7
#HA8
#HA9
#HA10
#HA11
#HA12
#HA13
#HA14
#HA15
#HA16
#HA17
#HA18
#HA19
#HA20
#HA21
#HA22
#HA23
#HA24
#HA25
#HA26
#HA27
#HA28
#HA29
#HA30
#HA31
RSVD
RSVD
RSVD
RSVD
#HREQ0
#HREQ1
#HREQ2
#HREQ3
#HREQ4
#HADSTB0
#HADSTB1
HDSTBP0
#HDSTBN0
#HDINV_0
HDSTBP1
#HDSTBN1
#HDINV_1
HDSTBP2
#HDSTBN2
#HDINV_2
HDSTBP3
#HDSTBN3
#HDINV_3
#HADS
#HTRDY
#HDRDY
#HDEFER
#HHITM
#HHIT
#HLOCK
#HBREQ0
#HBNR
#HBPRI
#HDBSY
#HRS0
#HRS1
#HRS2
#HCPURST
#HPCREQ
#HEDRDY
BSEL0
BSEL1
BSEL2
H_D03
H_D13
H_D23
H_D33
H_D43
H_D53
H_D63
H_D73
H_D83
H_D93
D D
C C
B B
H_D103
H_D113
H_D123
H_D133
H_D143
H_D153
H_D163
H_D173
H_D183
H_D193
H_D203
H_D213
H_D223
H_D233
H_D243
H_D253
H_D263
H_D273
H_D283
H_D293
H_D303
H_D313
H_D323
H_D333
H_D343
H_D353
H_D363
H_D373
H_D383
H_D393
H_D403
H_D413
H_D423
H_D433
H_D443
H_D453
H_D463
H_D473
H_D483
H_D493
H_D503
H_D513
H_D523
H_D533
H_D543
H_D553
H_D563
H_D573
H_D583
H_D593
H_D603
H_D613
H_D623
H_D633
CK_MCH_H8
CK_MCH_L8
H_D0
H_D1
H_D2
H_D3
H_D4
H_D5
H_D6
H_D7
H_D8
H_D9
H_D10
H_D11
H_D12
H_D13
H_D14
H_D15
H_D16
H_D17
H_D18
H_D19
H_D20
H_D21
H_D22
H_D23
H_D24
H_D25
H_D26
H_D27
H_D28
H_D29
H_D30
H_D31
H_D32
H_D33
H_D34
H_D35
H_D36
H_D37
H_D38
H_D39
H_D40
H_D41
H_D42
H_D43
H_D44
H_D45
H_D46
H_D47
H_D48
H_D49
H_D50
H_D51
H_D52
H_D53
H_D54
H_D55
H_D56
H_D57
H_D58
H_D59
H_D60
H_D61
H_D62
H_D63
HDSWING
HDSCOMP
HDRCOMP
MCH_GTLREF
CK_MCH_H
CK_MCH_L
J39
K38
J42
K35
J37
M34
N35
R33
N32
N34
M38
N42
N37
N38
R32
R36
U37
R35
R38
V33
U34
U32
V42
U35
Y36
Y38
AA37
V32
Y34
AA35
AA42
AA34
AA38
E41
D41
K36
G37
E42
M36
V35
K41
L43
K40
F35
G34
A38
J27
M26
E29
E34
B37
B32
W42
W40
V41
P40
W41
U41
U40
AA41
U39
D42
U42
T40
Y43
T43
C30
F38
Y40
F21
H21
L20
H_A3
H_A4
H_A5
H_A6
H_A7
H_A8
H_A9
H_A10
H_A11
H_A12
H_A13
H_A14
H_A15
H_A16
H_A17
H_A18
H_A19
H_A20
H_A21
H_A22
H_A23
H_A24
H_A25
H_A26
H_A27
H_A28
H_A29
H_A30
H_A31
H_REQ0
H_REQ1
H_REQ2
H_REQ3
H_REQ4
H_A_STB0
H_A_STB1
H_D_STBP0
H_D_STBN0
H_DBI0
H_D_STBP1
H_D_STBN1
H_DBI1
H_D_STBP2
H_D_STBN2
H_DBI2
H_D_STBP3
H_D_STBN3
H_DBI3
H_ADS_L
H_TRDY_L
H_DRDY_L
H_DEFER_L
H_HITM_L
H_HIT_L
H_LOCK_L
H_BREQ0_L
H_BNR_L
H_BPRI_L
H_DBSY_L
H_RS0_L
H_RS1_L
H_RS2_L
H_CPURST_L
BSEL0
BSEL1
BSEL2
4
H_A3 3
H_A4 3
H_A5 3
H_A6 3
H_A7 3
H_A8 3
H_A9 3
H_A10 3
H_A11 3
H_A12 3
H_A13 3
H_A14 3
H_A15 3
H_A16 3
H_A17 3
H_A18 3
H_A19 3
H_A20 3
H_A21 3
H_A22 3
H_A23 3
H_A24 3
H_A25 3
H_A26 3
H_A27 3
H_A28 3
H_A29 3
H_A30 3
H_A31 3
ER42 10K
ER44
1
1
10K
H_REQ0 3
H_REQ1 3
H_REQ2 3
H_REQ3 3
H_REQ4 3
H_A_STB0 4
H_A_STB1 4
H_D_STBP0 4
H_D_STBN0 4
H_DBI0 4
H_D_STBP1 4
H_D_STBN1 4
H_DBI1 4
H_D_STBP2 4
H_D_STBN2 4
H_DBI2 4
H_D_STBP3 4
H_D_STBN3 4
H_DBI3 4
H_ADS_L 4
H_TRDY_L 4
H_DRDY_L 4
H_DEFER_L 4
H_HITM_L 4
H_HIT_L 4
H_LOCK_L 4
H_BREQ0_L 4
H_BNR_L 4
H_BPRI_L 4
H_DBSY_L 4
H_RS0_L 3
H_RS1_L 3
H_RS2_L 3
H_CPURST_L 4
STP15
STP14
F_BSEL0
F_BSEL0 8,40
NB_BSEL1 40
F_BSEL2
F_BSEL2 8,40
V_FSB_VTT
W21
AE21
AE23
AE25
AF18
AF20
AF22
AF24
W23
W25
AA25
AA27
AA29
AC19
AC25
AC29
AD18
AD20
AD22
AD24
AD27
AD29
AE19
AJ27
AG27
AG26
AG25
AJ24
AC30
3
U3F
945P
F27
VTT
G23
VTT
H23
VTT
J23
VTT
K23
VTT
L23
VTT
M23
VTT
A24
VTT
N23
VTT
C26
VTT
D23
VTT
D24
VTT
D25
VTT
P23
VTT
F23
VTT
E27
VTT
E26
VTT
E24
VTT
E23
VTT
C25
VTT
C23
VTT
B26
VTT
B25
VTT
B24
VTT
B23
VTT
VSS
V29
VSS
V26
VSS
V24
VSS
U29
VSS
R29
VSS
R26
VSS
D43
VSS
D1
VSS
A40
VSS
A4
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
Y20
VSS
Y22
VSS
Y24
VSS
Y26
VSS
Y29
VSS
VSS
VSS
VSS
AY1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
BC4
VSS
A43
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
VCCA_DPLLB
VCCA_SMPLL
VCCA_DPLLA
VCCA_EXPPLL
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCC_EXP
VCCA_HPLL
VCCA_DAC
VCCA_DAC
VCC2_5
VSSA_DAC
VCC
VSS
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVDRSVD
AD4
AD5
AD6
AD8
AD10
AD12
N5
N7
N9
N10
N12
R5
R10
AE2
R11
R13
U6
U7
U8
U13
V5
V6
V7
V9
AE3
V10
V13
Y13
AA5
AA13
AC5
AC6
AC13
AD1
AD2
AE4
N11
B19
B20
C21
C19
C18
B18
D19
B17
A18
M17
L17
R27
U27
M15
L15
AK21
AJ23
AJ26
AL29
AL20
AJ21
AL26
AK27
AJ29
AG29
AD30
AC34
Y30
Y33
AF31
AD31
U30
V31AA30
VCCA_DPLLB
VCCA_MPLL
VCCA_HPLL
VCCA_DPLLA
VCCA_GPLL
V_1P5_PCIEXPRESS
V_2P5_DAC_FILTERED
V_2P5_MCH
VDDQ
2
L5
1 2
VDDQ
10uH-08
55mA
V1.0 DEL EC2,EC3
L6
1 2
VDDQ
10uH-08
55mA
L7
1 2
VDDQ
1uH-08
45mA
C238
C239
MC26
1
VCCA_DPLLA
BC8
4.7uF/16V-08
VCCA_DPLLB
BC9
10uF/10V-08
VCCA_GPLL
BC10
10uF/10V-08
0.1U/25V
0.1U/25V
0.1U/25V
NB_BSEL1
13
BSEL1
2
RJ8
10K(1-2)
5/17 V1.1
1000uF-6.3V
12
MC31
V_2P5_MCH
VCCA_HPLL
BC16
10uF/16V-12
2
0.1U/25V
VDDQ
R91 10
C24
0.1U/25V
C26
0.1U/25V
R90 0
C25
220P/50V
0.1U/25V
MCH_GTLREF_CPU
MCH_GTLREF
BC13
BC14
0.1U/25V
0.1U/25V
CAPS FOR FSB GENERIC
BC15
MCH_GTLREF_CPU 3
V_FSB_VTT
MC28
0.1U/25V
3
12
EC4
L10
1 2
10uH-08
MC30
MC29
4.7uF/16V-08
4.7uF/16V-08
4.7uF/16V-08-SB
45mA60mA
DEFAULT: STUFF WITH 10UH INDUCTOR
ER45 16.9-1
V_FSB_VTT
ER47 60.4-1
COMP SIGNAL TERMINATION
A A
V_FSB_VTT
DIVIDER Resistors NEAR VTT
HDSWING W/S =10/7 mils
ER49 301-1
HDSWING S/B (1/4*VTT +/- 2%)
5
HDRCOMP
HDSCOMP
C23
2.2pF-O
V_FSB_VTT
CAPS CLOSE TO MCH
W/S =12/15 mils
ER46 124-1
ER48
210-1
GTLREF = 0.67 * VTT = 0.8V
L9
1 2
10uH-08
DEFAULT: STUFF WITH 10UH INDUCTOR
OPTION FOR 0 OHM(0805) OPTION FOR 0 OHM(0805)
VCCA_MPLL
12
BC12
MC27
10uF/16V-12
4
0.01U/50V
HDSWING
VDDQ VDDQ
R92 62-1
C27
ER50
84.5-1
L8
1 2
FB-600-2A-08
70mA
V_2P5_DAC_FILTERED
V1.0 DEL EC5
Title
Size Document Number Rev
Custom
Date: Sheet of
V_2P5_DAC_FILTERED
C22
BC11
0.1U/25V
0.01U/50V
Elitegroup Computer Systems
I-Lakeport(MCH)Part A & E & F
945P-A/945PL-A
940Tuesday, June 27, 2006
1
3.0
5
U3B
D14
C13
A13
B12
A11
B10
C10
AC12
AC11
AA2
AB1
AA4
AB3
AC4
F15
E15
N18
N20
A20
H15
K18
H20
K21
F20
N21
A42
B43
BB1
BB43
BC1
BC2
BC42
BC43
945P
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
Y4
J15
L18
L21
B2
B3
C2
EXP_TXP0
EXP_TXN0
EXP_TXP1
EXP_TXN1
EXP_TXP2
EXP_TXN2
EXP_TXP3
EXP_TXN3
EXP_TXP4
EXP_TXN4
EXP_TXP5
EXP_TXN5
EXP_TXP6
EXP_TXN6
EXP_TXP7
EXP_TXN7
EXP_TXP8
EXP_TXN8
EXP_TXP9
EXP_TXN9
EXP_TXP10
EXP_TXN10
EXP_TXP11
EXP_TXN11
EXP_TXP12
EXP_TXN12
EXP_TXP13
EXP_TXN13
EXP_TXP14
EXP_TXN14
EXP_TXP15
EXP_TXN15
EXP_COMPO
EXP_COMPI
DMI_TXP0
DMI_TXN0
DMI_TXP1
DMI_TXN1
DMI_TXP2
DMI_TXN2
DMI_TXP3
DMI_TXN3
SDVO_CTRLDATA
SDVO_CTRLCLK
DDC_DATA
DDC_CLK
IREF
DREFCLKP
DREFCLKN
ALLZTEST
XORTEST
RSVD_TP5
EXP_SLR
RSVD_TP4
EXP_EN
RSVD_TP6
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
EXP_RXP0
EXP_RXN0
EXP_RXP1
EXP_RXN1
EXP_RXP2
EXP_RXN2
EXP_RXP3
EXP_RXN3
EXP_RXP4
EXP_RXN4
EXP_RXP5
EXP_RXN5
EXP_RXP6
EXP_RXN6
EXP_RXP7
EXP_RXN7
EXP_RXP8
EXP_RXN8
EXP_RXP9
EXP_RXN9
EXP_RXP10
EXP_RXN10
EXP_RXP11
EXP_RXN11
EXP_RXP12
EXP_RXN12
EXP_RXP13
EXP_RXN13
EXP_RXP14
EXP_RXN14
EXP_RXP15
EXP_RXN15
DMI_RXP0
DMI_RXN0
DMI_RXP1
DMI_RXN1
DMI_RXP2
DMI_RXN2
DMI_RXP3
DMI_RXN3
#ICH_SYNC
STP17
STP16
EXP_A_TXP_0
EXP_A_TXN_0
EXP_A_TXP_1
EXP_A_TXN_1
EXP_A_TXP_2
EXP_A_TXN_2
EXP_A_TXP_3
EXP_A_TXN_3
EXP_A_TXP_4
EXP_A_TXN_4
EXP_A_TXP_5
EXP_A_TXN_5
EXP_A_TXP_6
EXP_A_TXN_6
EXP_A_TXP_7
EXP_A_TXN_7
EXP_A_TXP_8
EXP_A_TXN_8
EXP_A_TXP_9
EXP_A_TXN_9
EXP_A_TXP_ 1 0
EXP_A_TXN_10
EXP_A_TXP_ 1 1
EXP_A_TXN_11
EXP_A_TXP_ 1 2
EXP_A_TXN_12
EXP_A_TXP_ 1 3
EXP_A_TXN_13
EXP_A_TXP_ 1 4
EXP_A_TXN_14
EXP_A_TXP_ 1 5
EXP_A_TXN_15
EXP_GRCOMP
DMI_TXP0
DMI_TXN0
DMI_TXP1
DMI_TXN1
DMI_TXP2
DMI_TXN2
DMI_TXP3
3VDDCSDA
3VDDCSCL
V_2P5_MCH
VDDQ
1
1
EXP_SLR
EXP_EN
EXP_A_TXP_016
EXP_A_TXN_016
EXP_A_TXP_116
EXP_A_TXN_116
EXP_A_TXP_216
EXP_A_TXN_216
EXP_A_TXP_316
EXP_A_TXN_316
EXP_A_TXP_416
EXP_A_TXN_416
D D
C C
B B
EXP_A_TXP_516
EXP_A_TXN_516
EXP_A_TXP_616
EXP_A_TXN_616
EXP_A_TXP_716
EXP_A_TXN_716
EXP_A_TXP_816
EXP_A_TXN_816
EXP_A_TXP_916
EXP_A_TXN_916
EXP_A_TXP_ 1 016
EXP_A_TXN_1016
EXP_A_TXP_ 1 116
EXP_A_TXN_1116
EXP_A_TXP_ 1 216
EXP_A_TXN_1216
EXP_A_TXP_ 1 316
EXP_A_TXN_1316
EXP_A_TXP_ 1 416
EXP_A_TXN_1416
EXP_A_TXP_ 1 516
EXP_A_TXN_1516
DMI_TXP018
DMI_TXN018
DMI_TXP118
DMI_TXN118
DMI_TXP218
DMI_TXN218
DMI_TXP318
DMI_TXN318
GCLKP
GCLKN
HSYNC
VSYNC
RED
#RED
GREEN
#GREEN
BLUE
#BLUE
#EXTTS
RSVD
RSVD
#RSTIN
PWROK
G12
F12
D11
D12
J13
H13
E10
F10
J9
H10
F7
F9
C4
D3
G6
J6
K9
K8
F4
G4
M6
M7
K2
L1
U11
U10
R8
R7
P4
N3
Y10
Y11
B14
B16
Y7
Y8
AA9
AA10
AA6
AA7
AC9
AC8
D17
C17
F17
G17
K17
J17
H18
J18
J20
M11
V30
AJ12
AJ9
M18
BB2
NC
BA2
NC
AW26
NC
AW2
NC
AV27
NC
AV26
NC
E35
NC
C42
NC
B42
NC
B41
NC
4
EXP_A_RXP_0
EXP_A_RXN_0
EXP_A_RXP_1
EXP_A_RXN_1
EXP_A_RXP_2
EXP_A_RXN_2
EXP_A_RXP_3
EXP_A_RXN_3
EXP_A_RXP_4
EXP_A_RXN_4
EXP_A_RXP_5
EXP_A_RXN_5
EXP_A_RXP_6
EXP_A_RXN_6
EXP_A_RXP_7
EXP_A_RXN_7
EXP_A_RXP_8
EXP_A_RXN_8
EXP_A_RXP_9
EXP_A_RXN_9
EXP_A_RXP_10
EXP_A_RXN_10
EXP_A_RXP_11
EXP_A_RXN_11
EXP_A_RXP_12
EXP_A_RXN_12
EXP_A_RXP_13
EXP_A_RXN_13
EXP_A_RXP_14
EXP_A_RXN_14
EXP_A_RXP_15
EXP_A_RXN_15
CK_PE_100M_MCH_H
CK_PE_100M_MCH_L
DMI_RXP0
DMI_RXN0
DMI_RXP1
DMI_RXN1
DMI_RXP2
DMI_RXN2
DMI_RXP3
DMI_RXN3DMI_TXN3
GHSYNC
GVSYNC
PLTRST_L
PWROK
ICH_SYNC_L
V_2P5_MCH
R93 10K
EXP_A_RXP_0 16
EXP_A_RXN_0 16
EXP_A_RXP_1 16
EXP_A_RXN_1 16
EXP_A_RXP_2 16
EXP_A_RXN_2 16
EXP_A_RXP_3 16
EXP_A_RXN_3 16
EXP_A_RXP_4 16
EXP_A_RXN_4 16
EXP_A_RXP_5 16
EXP_A_RXN_5 16
EXP_A_RXP_6 16
EXP_A_RXN_6 16
EXP_A_RXP_7 16
EXP_A_RXN_7 16
EXP_A_RXP_8 16
EXP_A_RXN_8 16
EXP_A_RXP_9 16
EXP_A_RXN_9 16
EXP_A_RXP_10 16
EXP_A_RXN_10 16
EXP_A_RXP_11 16
EXP_A_RXN_11 16
EXP_A_RXP_12 16
EXP_A_RXN_12 16
EXP_A_RXP_13 16
EXP_A_RXN_13 16
EXP_A_RXP_14 16
EXP_A_RXN_14 16
EXP_A_RXP_15 16
EXP_A_RXN_15 16
CK_PE_100M_MCH_H 8
CK_PE_100M_MCH_L 8
DMI_RXP0 18
DMI_RXN0 18
DMI_RXP1 18
DMI_RXN1 18
DMI_RXP2 18
DMI_RXN2 18
DMI_RXP3 18
DMI_RXN3 18
V_2P5_MCH
PLTRST_L 17,21
PWROK 17,19
ICH_SYNC_L 17
3
2
1
Place close to GMCH 750Mil.
100nH/S/1.4A/台慶(FPI0302-R10M-01)
V_1P5_PCIEXPRESS VDDQ
L11 0.1uH-12
1 2
MC33
MC32
C210
0.1U/25V-SB
PCI EXPRESS FILTER CAPS FOR SPECIFIC CORE MCH
The LC filter is required to source 1.4A of
current with less than 30mV of drop across the
filter.
4.7uF/16V-08
4.7uF/16V-08-SB
DEL SC4 V:B
MC34
4.7uF/16V-08
EXP_SLR
EXP_EN
EXP_GRCOMP
R94 1K-O
R95 0
ER51 24.9-1-SB
PRSNT2_N
V_1P5_PCIEXPRESS
PRSNT2_N 16
COMP SIGNAL TERMINATION
PWROK
A A
PLTRST_L
GHSYNC
GVSYNC
SC5 10P/50V-SB-O
SC6 22P/50V-O
R96 10K
R101 10K
5
R97 2.7K
VCC VCC
3VDDCSCL
R98 2.7K
4
R99 2.7K
3VDDCSDA
R100 2.7K
3
J1
1
NC
HDR_1
J2
1
NC
HDR_1
2
Title
Size Document Number Rev
Custom
Date: Sheet of
Elitegroup Computer Systems
I-Lakeport(MCH)Part D
945P-A/945PL-A
10 40Tuesday, June 27, 2006
1
3.0
5
1_8VSTR
1K-1
ER52
ER53
1_8VSTR
ER54
ER55
BC17
SDREFA
1K-1
1K-1
SDREFB
1K-1
0.1U/25V
C28
C29
ER56
80.6-1
0.1U/25V
0.1U/25V
SMRCOMP_N
D D
C C
1_8VSTR
DESIGN NOTE:
BUFFERS CALIBRATE TO
20/80% OF V_SM. INTERNAL
B B
BUFFERS SET TO 20 OHMS
ER57
80.6-1
A A
SMRCOMP_P
5
STP21
STP20
DQS_H_A4
DQS_L_A4
MPD_A4
MD_A32
MD_A33
MD_A34
MD_A35
MD_A36
MD_A37
MD_A38
MD_A39
DQS_H_A5
DQS_L_A5
MPD_A5
MD_A40
MD_A41
MD_A42
MD_A43
MD_A44
MD_A45
MD_A46
MD_A47
DQS_H_A6
DQS_L_A6
MPD_A6
MD_A48
MD_A49
MD_A50
MD_A51
MD_A52
MD_A53
MD_A54
MD_A55
DQS_H_A7
DQS_L_A7
MPD_A7
MD_A56
MD_A57
MD_A58
MD_A59
MD_A60
MD_A61
MD_A62
MD_A63
MAAA_0
MAAA_1
MAAA_2
MAAA_3
MAAA_4
MAAA_5
MAAA_6
MAAA_7
MAAA_8
MAAA_9
MAAA_10
MAAA_11
MAAA_12
MAAA_13
DCLKA_H0
DCLKA_L0
DCLKA_H1
DCLKA_L1
DCLKA_H2
DCLKA_L2
DCLKA_H3
DCLKA_L3
DCLKA_H4
DCLKA_L4
DCLKA_H5
DCLKA_L5
1
1
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
BA32
AW32
BB30
BA30
AY30
BA27
BC28
AY27
AY28
BB27
AY33
AW27
BB26
BC38
BB32
AY32
AY5
BB5
AK42
AK41
BA31
BB31
AY6
BA5
AH40
AH43
AL17
AK17
U3C
945P
SDQS_A4
#SDQS_A4
SDM_A4
SDQ_A32
SDQ_A33
SDQ_A34
SDQ_A35
SDQ_A36
SDQ_A37
SDQ_A38
SDQ_A39
SDQS_A5
#SDQS_A5
SDM_A5
SDQ_A40
SDQ_A41
SDQ_A42
SDQ_A43
SDQ_A44
SDQ_A45
SDQ_A46
SDQ_A47
SDQS_A6
#SDQS_A6
SDM_A6
SDQ_A48
SDQ_A49
SDQ_A50
SDQ_A51
SDQ_A52
SDQ_A53
SDQ_A54
SDQ_A55
SDQS_A7
#SDQS_A7
SDM_A7
SDQ_A56
SDQ_A57
SDQ_A58
SDQ_A59
SDQ_A60
SDQ_A61
SDQ_A62
SDQ_A63
SMA_A0
SMA_A1
SMA_A2
SMA_A3
SMA_A4
SMA_A5
SMA_A6
SMA_A7
SMA_A8
SMA_A9
SMA_A10
SMA_A11
SMA_A12
SMA_A13
SCLK_A0
#SCLK_A0
SCLK_A1
#SCLK_A1
SCLK_A2
#SCLK_A2
SCLK_A3
#SCLK_A3
SCLK_A4
#SCLK_A4
SCLK_A5
#SCLK_A5
RSVD_TP1
RSVD_TP0
4
DQS_H_A0
SDM_A0
SDQ_A0
SDQ_A1
SDQ_A2
SDQ_A3
SDQ_A4
SDQ_A5
SDQ_A6
SDQ_A7
SDM_A1
SDQ_A8
SDQ_A9
SDQ_A10
SDQ_A11
SDQ_A12
SDQ_A13
SDQ_A14
SDQ_A15
SDM_A2
SDQ_A16
SDQ_A17
SDQ_A18
SDQ_A19
SDQ_A20
SDQ_A21
SDQ_A22
SDQ_A23
SDM_A3
SDQ_A24
SDQ_A25
SDQ_A26
SDQ_A27
SDQ_A28
SDQ_A29
SDQ_A30
SDQ_A31
#SWE_A
#SCAS_A
#SRAS_A
SBS_A0
SBS_A1
SBS_A2
#SCS_A0
#SCS_A1
#SCS_A2
#SCS_A3
SCKE_A0
SCKE_A1
SCKE_A2
SCKE_A3
RSVD
RSVD
RSVD
RSVD
RSVD
SVREF0
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
BB35
BA37
BA34
BC33
AY34
BA26
BB37
BA39
BA35
AY38
BB25
AY25
BC24
BA25
AW37
AY39
AY37
BB40
BC16
AY14
AW17
AW18
AK40
AM4
DQS_L_A0
MPD_A0
MD_A0
MD_A1
MD_A2
MD_A3
MD_A4
MD_A5
MD_A6
MD_A7
DQS_H_A1
DQS_L_A1
MPD_A1
MD_A8
MD_A9
MD_A10
MD_A11
MD_A12
MD_A13
MD_A14
MD_A15
DQS_H_A2
DQS_L_A2
MPD_A2
MD_A16
MD_A17
MD_A18
MD_A19
MD_A20
MD_A21
MD_A22
MD_A23
DQS_H_A3
DQS_L_A3
MPD_A3
MD_A24
MD_A25
MD_A26
MD_A27
MD_A28
MD_A29
MD_A30
MD_A31
SWE_L_A
SCAS_L_A
SRAS_L_A
SBSA_0
SBSA_1
SBSA_2
CSA_L0
CSA_L1
CSA_L2
CSA_L3
CKEA_0
CKEA_1
CKEA_2
CKEA_3
ODTA_0
ODTA_1
ODTA_2
ODTA_3
SDREFA
STP23
STP22
SDQS_A0
#SDQS_A0
SDQS_A1
#SDQS_A1
SDQS_A2
#SDQS_A2
SDQS_A3
#SDQS_A3
SODT_A0
SODT_A1
SODT_A2
SODT_A3
4
DQS_H_B4
DQS_L_B4
MPD_B4
MD_B32
MD_B33
MD_B34
MD_B35
MD_B36
MD_B37
MD_B38
MD_B39
DQS_H_B5
DQS_L_B5
MPD_B5
MD_B40
MD_B41
MD_B42
MD_B43
MD_B44
MD_B45
MD_B46
MD_B47
DQS_H_B6
DQS_L_B6
MPD_B6
MD_B48
MD_B49
MD_B50
MD_B51
MD_B52
MD_B53
MD_B54
MD_B55
DQS_H_B7
DQS_L_B7
MPD_B7
MD_B56
MD_B57
MD_B58
MD_B59
MD_B60
MD_B61
MD_B62
MD_B63
MAAB_0
MAAB_1
MAAB_2
MAAB_3
MAAB_4
MAAB_5
MAAB_6
MAAB_7
MAAB_8
MAAB_9
MAAB_10
MAAB_11
MAAB_12
MAAB_13
DCLKB_H0
DCLKB_L0
DCLKB_H1
DCLKB_L1
DCLKB_H2
DCLKB_L2
DCLKB_H3
DCLKB_L3
DCLKB_H4
DCLKB_L4
DCLKB_H5
DCLKB_L5
1
1
3
U3D
945P
AT29
SDQS_B4
AV29
#SDQS_B4
AR29
SDM_B4
AU27
SDQ_B32
AN29
SDQ_B33
AR31
SDQ_B34
AM31
SDQ_B35
AP27
SDQ_B36
AR27
SDQ_B37
AP31
SDQ_B38
AU31
SDQ_B39
AP36
SDQS_B5
AM35
#SDQS_B5
AR38
SDM_B5
AP35
SDQ_B40
AP37
SDQ_B41
AN32
SDQ_B42
AL35
SDQ_B43
AR35
SDQ_B44
AU38
SDQ_B45
AM38
SDQ_B46
AM34
SDQ_B47
AG34
SDQS_B6
AG32
#SDQS_B6
AJ39
SDM_B6
AL34
SDQ_B48
AJ34
SDQ_B49
AF32
SDQ_B50
AF34
SDQ_B51
AL31
SDQ_B52
AJ32
SDQ_B53
AG35
SDQ_B54
AD32
SDQ_B55
AD36
SDQS_B7
AD38
#SDQS_B7
AD39
SDM_B7
AC32
SDQ_B56
AD34
SDQ_B57
Y32
SDQ_B58
AA32
SDQ_B59
AF35
SDQ_B60
AF37
SDQ_B61
AC33
SDQ_B62
AC35
SDQ_B63
BB22
SMA_B0
BB21
SMA_B1
BA21
SMA_B2
AY21
SMA_B3
BC20
SMA_B4
AY19
SMA_B5
AY20
SMA_B6
BA18
SMA_B7
BA19
SMA_B8
BB18
SMA_B9
BA22
SMA_B10
BB17
SMA_B11
BA17
SMA_B12
AW42
SMA_B13
AM29
SCLK_B0
AM27
#SCLK_B0
AV9
SCLK_B1
AW9
#SCLK_B1
AL38
SCLK_B2
AL36
#SCLK_B2
AP26
SCLK_B3
AR26
#SCLK_B3
AU10
SCLK_B4
AT10
#SCLK_B4
AJ38
SCLK_B5
AJ36
#SCLK_B5
AK18
RSVD_TP3
AK23
RSVD_TP2
3
#SDQS_B0
#SDQS_B1
#SDQS_B2
#SDQS_B3
SOCOMP1
SOCOMP0
SRCOMP1
SRCOMP0
SDQS_B0
SDM_B0
SDQ_B0
SDQ_B1
SDQ_B2
SDQ_B3
SDQ_B4
SDQ_B5
SDQ_B6
SDQ_B7
SDQS_B1
SDM_B1
SDQ_B8
SDQ_B9
SDQ_B10
SDQ_B11
SDQ_B12
SDQ_B13
SDQ_B14
SDQ_B15
SDQS_B2
SDM_B2
SDQ_B16
SDQ_B17
SDQ_B18
SDQ_B19
SDQ_B20
SDQ_B21
SDQ_B22
SDQ_B23
SDQS_B3
SDM_B3
SDQ_B24
SDQ_B25
SDQ_B26
SDQ_B27
SDQ_B28
SDQ_B29
SDQ_B30
SDQ_B31
#SWE_B
#SCAS_B
#SRAS_B
SBS_B0
SBS_B1
SBS_B2
#SCS_B0
#SCS_B1
#SCS_B2
#SCS_B3
SCKE_B0
SCKE_B1
SCKE_B2
SCKE_B3
SODT_B0
SODT_B1
SODT_B2
SODT_B3
RSVD
SVREF1
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
BB23
AY24
BA23
AW23
AY23
AY17
BA40
AW41
BA41
AW40
BA14
AY16
BA13
BB13
AY42
AV40
AV43
AU40
AM3
AJ8
AJ6
AL5
AL39
AM2
2
DQS_H_B0
DQS_L_B0
MPD_B0
MD_B0
MD_B1
MD_B2
MD_B3
MD_B4
MD_B5
MD_B6
MD_B7
DQS_H_B1
DQS_L_B1
MPD_B1
MD_B8
MD_B9
MD_B10
MD_B11
MD_B12
MD_B13
MD_B14
MD_B15
DQS_H_B2
DQS_L_B2
MPD_B2
MD_B16
MD_B17
MD_B18
MD_B19
MD_B20
MD_B21
MD_B22
MD_B23
DQS_H_B3
DQS_L_B3
MPD_B3
MD_B24
MD_B25
MD_B26
MD_B27
MD_B28
MD_B29
MD_B30
MD_B31
SWE_L_B
SCAS_L_B
SRAS_L_B
SBSB_0
SBSB_1
SBSB_2
CSB_L0
CSB_L1
CSB_L2
CSB_L3
CKEB_0
CKEB_1
CKEB_2
CKEB_3
ODTB_0
ODTB_1
ODTB_2
ODTB_3
SMRCOMP_P
SMRCOMP_N
SDREFB
2
1
MD_A[0..63]13
DQS_L_A[0..7]13
DQS_H_A[0..7]13
MPD_A[0..7]13
MAAA_[0..13]13
CSA_L[0..3]13
CKEA_[0..3]13
DCLKA_L[0..5]13
DCLKA_H[0..5]13
ODTA_[0..3]13
SBSA_[0..2]13
SWE_L_A13
SCAS_L_A13
SRAS_L_A13
MD_B[0..63]14
DQS_L_B[0..7]14
DQS_H_B[0..7]14
MPD_B[0..7]14
MAAB_[0..13]14
CSB_L[0..3]14
CKEB_[0..3]14
DCLKB_L[0..5]14
DCLKB_H[0..5]14
ODTB_[0..3]14
SBSB_[0..2]14
SWE_L_B14
SCAS_L_B14
SRAS_L_B14
1
STP18
1
STP19
MD_A[0..63]
DQS_L_A[0..7]
DQS_H_A[0..7]
MPD_A[0..7]
MAAA_[0..13]
CSA_L[0..3]
CKEA_[0..3]
DCLKA_L[0..5]
DCLKA_H[0..5]
ODTA_[0..3]
SBSA_[0..2]
SWE_L_A
SCAS_L_A
SRAS_L_A
MD_B[0..63]
DQS_L_B[0..7]
DQS_H_B[0..7]
MPD_B[0..7]
MAAB_[0..13]
CSB_L[0..3]
CKEB_[0..3]
DCLKB_L[0..5]
DCLKB_H[0..5]
ODTB_[0..3]
SBSB_[0..2]
SWE_L_B
SCAS_L_B
SRAS_L_B
Elitegroup Computer Systems
Title
Size Document Number Rev
B
Date: Sheet
I-Lakeport(MCH)Part B & C
945P-A/945PL-A
11 40Tuesday, June 27, 2006
1
of
3.0
1
2
3
4
5
6
7
8
U3G
945P
BC9
VSS
BB41
VSS
BB39
VSS
BB34
VSS
BB19
VSS
BB14
VSS
BB11
VSS
BB6
VSS
BB3
VSS
A A
B B
C C
BA42
VSS
BA4
VSS
AW10
VSS
AV37
VSS
AV17
VSS
AV10
VSS
AV2
VSS
AU34
VSS
AU32
VSS
AU29
VSS
AU26
VSS
AU24
VSS
AU21
VSS
AU20
VSS
AU17
VSS
AU15
VSS
AU13
VSS
AU12
VSS
AU9
VSS
AU6
VSS
AT31
VSS
AT27
VSS
AT26
VSS
AT23
VSS
AT21
VSS
AT18
VSS
AT17
VSS
AT12
VSS
AR43
VSS
AR39
VSS
AR37
VSS
AR32
VSS
AR24
VSS
AR20
VSS
AR15
VSS
AR6
VSS
AR1
VSS
AP38
VSS
AP34
VSS
AP29
VSS
AP12
VSS
AP10
VSS
AP7
VSS
AP5
VSS
AN42
VSS
AN31
VSS
AN27
VSS
AN26
VSS
AN24
VSS
AN23
VSS
AN21
VSS
AN20
VSS
AN18
VSS
AN17
VSS
AN15
VSS
AN13
VSS
AN4
VSS
AN2
VSS
AM39
VSS
AM37
VSS
AM36
VSS
AM33
VSS
AM9
VSS
AM7
VSS
AM5
VSS
AL43
VSS
AL37
VSS
AL33
VSS
AL32
VSS
AL27
VSS
AL24
VSS
AL23
VSS
AL21
VSS
AL18 AL15
VSS VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
V37
V38
V39
V43
W3
Y2
Y5
Y6
Y9
Y12
Y14
Y31
Y35
Y37
Y39
Y42
AA3
AA8
AA11
AA12
AA14
AA21
AA23
AA31
AA33
AA36
AB2
AB43
AC2
AC3
AC7
AC10
AC14
AC21
AC23
AC31
AC36
AC37
AC38
AC39
AD7
AD9
AD11
AD13
AD33
AD35
AD37
AD42
AF1
AF2
AF3
AF5
AF33
AF36
AF38
AF43
AG30
AG31
AG33
AG36
AG37
AG38
AG39
AH42
AJ7
AJ10
AJ30
AJ31
AJ33
AJ35
AJ37
AK24
AK26
AK29
AK30
AL1
AL2
AL3
AL7
AL10
AL12
AL13
U3H
945P
V36
VSS
V34
VSS
V14
VSS
V12
VSS
V11
VSS
V8
VSS
V2
VSS
U38
VSS
U36
VSS
U33
VSS
U31
VSS
U14
VSS
U12
VSS
U9
VSS
U5
VSS
U3
VSS
T42
VSS
T2
VSS
R39
VSS
R37
VSS
R34
VSS
R31
VSS
R30
VSS
R14
VSS
R12
VSS
R9
VSS
R6
VSS
P30
VSS
P29
VSS
P27
VSS
P26
VSS
P24
VSS
P15
VSS
P14
VSS
N43
VSS
N39
VSS
N36
VSS
N33
VSS
N31
VSS
N29
VSS
N27
VSS
N26
VSS
N24
VSS
N15
VSS
N13
VSS
N8
VSS
N6
VSS
N2
VSS
M37
VSS
M35
VSS
M21
VSS
M20
VSS
M13
VSS
M10
VSS
M9
VSS
M8
VSS
M5
VSS
M3
VSS
L42
VSS
L31
VSS
L29
VSS
L26
VSS
L24
VSS
L13
VSS
L12
VSS
L2
VSS
K39
VSS
K37
VSS
K34
VSS
K32
VSS
K27
VSS
K20
VSS
K15
VSS
K13
VSS
K12
VSS
K10
VSS
K7
VSS
K6
VSS
K5
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
A16
A22
A26
A31
A35
B4
B6
B9
B11
B13
B21
B22
B28
B33
B38
C3
C5
C7
C12
C14
C22
C40
D2
D5
D10
D16
D21
D20
E3
E4
E7
E9
E12
E13
E17
E18
E20
E21
E32
F2
F6
F13
F18
F26
F34
F42
G3
G5
G7
G9
G10
G13
G15
G18
G20
G21
G24
G27
G29
G31
G32
G35
G38
H12
H17
H26
H27
H32
J2
J5
J7
J10
J12
J21
J24
J29
J38
J43
K3
VDDQ VDDQ
AH4
AF30
AK20
AJ14
AK14
AK15
AJ13
AH2
AH1
AG14
AG13
AG12
AG11
AG10
AG9
AG8
AG7
AG6
AG5
AG4
AG3
AG2
AF14
AF13
AF12
AF11
AF10
AD14
AC22
AB23
AB22
AB21
AA22
AJ15
AG23
AG22
AG21
AG20
AG19
AG18
AG17
AG15
AB18
W27
W26
W20
AF29
AF25
AF26
AF27
AG24
U3E
945P
N17
VCC
P17
VCC
VCC
AJ5
VCC
AK4
VCC
VCC
VCC
AK3
VCC
AK2
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
AF9
VCC
AF8
VCC
AF7
VCC
AF6
VCC
VCC
VCC
VCC
VCC
VCC
VCC
P21
VCC
P20
VCC
P18
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
Y27
VCC
Y25
VCC
Y19
VCC
Y18
VCC
VCC
VCC
VCC
U19
VCC
U18
VCC
U17
VCC
U15
VCC
R24
VCC
R23
VCC
R21
VCC
R20
VCC
R18
VCC
VCC
R17
VCC
R15
VCC
U20
VCC
U21
VCC
U22
VCC
U23
VCC
U24
VCC
U25
VCC
U26
VCC
V15
VCC
V17
VCC
V18
VCC
VCC
VCC
VCC
VCC
V19
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
VCCSM
V20
V21
V22
V23
V25
V27
W17
W18
W19
W22
W24
Y15
Y17
Y21
Y23
AA15
AA17
AA18
AA19
AA20
AA24
AA26
AB17
AB19
AB20
AB24
AB25
AB26
AB27
AC15
AC17
AC18
AC20
AC24
AC26
AC27
AD15
AD17
AJ17
AD19
AD21
AD23
AD25
AD26
AE17
AE18
AE20
AE22
AE24
AJ18
AE26
AE27
AF15
AF17
AF19
AF21
AF23
AJ20
BC18
BC22
BC26
BC31
BC35
BC13
BB42
BB38
BB33
BB28
BB24
BB20
BB16
AY41
AW21
AW13
AV31
AV21
AW35
AW34
AW31
AW29
AW24
AW20
AW15
AV42
AV23
AV18
BC40
AY43
1_8VSTR
VDDQ
1_8VSTR VDDQ
ER58
ER59
0.47-1
D D
MC35
MC36
0.1U/25V
0.1U/25V
MC38
MC39
0.1U/25V
MC40
0.1U/25V
0.1U/25V
MCH MEMORY DECOUPLING
1
2
3
SC7
SC8
SC9
0.1U/25V-SB
0.1U/25V-SB
Close To GMCH
4
SC10
0.1U/25V-SB
0.1U/25V-SB
MC42
MC41
4.7uF/10V-08-SB
4.7uF/10V-08-SB
5
C30
0.47-1
C31
4.7uF/16V-08
4.7uF/16V-08
Title
Size Document Number Rev
Custom
6
Date: Sheet of
Elitegroup Computer Systems
Schematic Change History
945P-A/945PL-A
7
12 40Tuesday, June 27, 2006
8
3.0
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