ECS 845GV-M3 Schematics REV 1.0
1
2
3
4
5
6
7
8
Rev : 1.0
( P4 478P Processor with DDR SDRAM Mainboard )
PCB:15-???-??????
A A
845GV-M3
Schematics Version History Table :
Circuit Ve r. PCB Ve r . Total Page Modificatory Page Date
A
29
05/21'2004
1.0 29 06/28'2004
Page Title of Schematic :
Title Page
Cover Sheet
System Block Diagram
P4 478P Part A
P4 478P Part B
P4 478P Part C
Clock Generator
I845G(GMCH)Part I
I845G(GMCH)Part II
B B
I845G(GMCH)Part III
DDIMM 1&2 ( DDR SDRAMs )
DDR Serial Resistors
DDR SSTL-2 Terminations
** Seeing the versi on history in last pages.
DDR Power-BLANK
AGP Express
ICH4 Part I
ICH4 Part II
ICH4 Part III
USB/FWH
C C
I/O Ports
H/W Monitor
IDE Connector
AC97 Codec
LPC_FDD/KB/M
Audio Interface
ATX Power & Front Panel
LAN/CNR
Vcore DC-DC
MIS DC-DC
Job
D D
Schematics
Designer
Layout
Company
Approval
Signature
1
Date
2
3
4
PCI Slots
VT6306(1394)-BLANK
5
6
B0M:89-???-??????
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
Date: Sheet
7
PageTi tle
Cover Sheet
845GV-M3
1.0
of
129Thursday, July 01, 2004
8
A
B
C
D
E
PCB : 192.02 x 244 mm ; 4 layers
intel
P4 Processor
4 4
AGP Express
Integrated 350MHz RAMDAC,and monitor up
3 3
to a resolution of 2048x1536@60Hz
Integrated Graphics
478 pin
BW : 3.2G B/s @ FSB : 400MHz & Freq : 100MHz
FSB : 533MHz & Freq : 133MHz
BW : 1.6GB/s @ DDR : 200MHz & Freq : 100MHz
BW : 2.2GB/s @ DDR : 266MHz & Freq : 133MHz
intel
i845-GL
DDIMM1: DDR Socket 184P
DDIMM2 : DDR Socket 184P
Controller
ICH4 Current Requirements
VCC1.5 = 1060 mA
VCC3 = 610 mA
VCCHI(1.5) = 90 mA
VCC1.5Sus = 85 mA
VCC3Sus = 70 mA
VCC3RTC = 5 uA in G3
USB1
2 ports
IDE2 40pin
IDE1 40pin
USB V2.0
USBLAN
2 ports
Up to Ultra ATA/100
Two IDE Channel
BW : 266MB/s @ Freq : 66MHz
BW : 133MB/s @Freq : 33MHz
intel
ICH4
PCI1 Slot 120pin @ AD16
PCI2 Slot 120pin @ AD17
PCI3 Slot 120pin @ AD18
2 2
Audio Codec
CMI9739A
Intel LAN PHY
AC' 97 & Lan I/F
intel
FWH
LPC bus
1394 Chip
VT6306
128pin
32pin PLCC
Mic In
Line Out
Line In
1 1
A
B
Super I/O
W83627THF
128pin PQFP
C
Elitegroup Computer Systems
Title
Size Document Number Rev
B
D
Date: Sheet
System Block Diagram
845GV-M3
229Thursday, July 01, 2004
E
1.0
of
VCCP Range:Northwood 1.29V~1.45V,
P4 1.535~1.80V
D D
C C
B B
5
VCCP
A10
A12
A14
A16
A18
A20
AA10
AA12
AA14
AA16
AA18
AA8
AB11
CPU1A
VCC
VCC
VCC
VCC
VCC
VCC
VSSH1VSSH4VSS
H23
VCCA8VCC
VSS
VSS
VSS
A11
A13
H26
H_D0
B21
W26
W25
AA25
AA22
AA24
B22
A23
A25
C21
D22
B24
C23
C24
B25
G22
H21
C26
D23
D25
H22
E24
G23
F23
F24
E25
F26
D26
L21
G26
H24
M21
L22
K23
H25
M23
N22
P21
M24
N23
M26
N26
N25
R21
P24
R25
R24
T26
T25
T22
T23
U26
U24
U23
V25
U21
V22
V24
Y26
Y23
Y24
Y21
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
J21
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
J24
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
F1
RS0
G5
RS1
F4
RS2
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_D62
H_D63
H_RS0_N7
H_RS1_N7
H_RS2_N7
AB13
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSSA3VSSA9VSS
A15
A17
A19
A21
A24
A26
AB15
VCC
AB17
VCC
AA1
AB19
VCC
VSS
AA11
AB7
VCC
VSS
AA13
AB9
VCC
VSS
AA15
AC10
VCC
VSS
AA17
4
AC12
VCC
VSS
AA19
AC14
VCC
VSS
AA23
AC16
AA26
VCC
VSS
AC18
VCC
VSS
AA4
AC8
AA7
VCC
VSS
AD11
VCC
VSS
AA9
AD13
AB10
VCC
VSS
AD15
VCC
VSS
AB12
AD17
VCC
VSS
AB14
AD19
VCC
VSS
AB16
AD7
VCC
VSS
AB18
AD9
VCC
VSS
AB20
AE10
AB21
VCC
VSS
AE12
VCC
VSS
AB24
AE14
VCC
VSS
AB3
AE16
VCC
VSS
AB6
AE18
VCC
VSS
AB8
AE20
VCC
VSS
AC11
AE6
VCC
VSS
AC13
AE8
VCC
VSS
AC15
AF11
VCC
VSS
AC17
AF13
VCC
VSS
AC19
AF15
AC2
VCC
VSS
AF17
VCC
VSS
AC22
AF19
VCC
VSS
AC25
AF2
AC5
VCC
VSS
AF21
AC7
VCC
VSS
AF5
AC9
VCC
VSS
AF7
AD1
VCC
VSS
AF9
VCC
VSS
AD10
B11
VCC
VSS
AD12
B13
VCC
VSS
AD14
B15
VCC
VSS
AD16
B17
VCC
VSS
AD18
B19
VCC
VSS
AD21
3
VCCB7VCCB9VCC
VSS
VSS
AD4
AD23
C10
AD8
VSS
C12
VCC
VSS
AE11
C14
VCC
VSS
AE13
C16
VCC
VSS
AE15
C18
VCC
VSS
AE17
C20
VCC
VSS
AE19
VCCC8VCC
VSS
AE22
D11
AE24
VSS
D13
VCC
VSS
AE26
2
J26
K25
K26
D15
D17
D19
E10
E12
E14
E16
E18
E20
F11
F13
F15
F17
F19
VCC
VCC
VCC
VCCD7VCCD9VCC
VCC
VCC
VCC
VCC
VCC
VCCE8VCC
VCC
VCC
VCC
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
SKTOCC#
VSS
VSS
VSS
VSS
VSS
VSS
VSS
B10
B12
B14
B16
AF1
AE7
AE9
AF10
AF12
AF14
AF16
AF18
AF20
AF26
B18
AF6
AF8
L25
F9
AB1
C15
DEP2
VSS
C17
DEP1
VSS
C19
A35
DEP0
A34
A33
A32
A31
A30
A29
A28
A27
A26
A25
A24
A23
A22
A21
A20
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
VID0
VID1
VID2
VID3
VID4
VID5
REQ4
REQ3
REQ2
REQ1
REQ0
BPM5
BPM4
BPM3
BPM2
BPM1
BPM0
TESTHI12
TESTHI11
TESTHI10
TESTHI9
TESTHI8
TESTHI7
TESTHI6
TESTHI5
TESTHI4
TESTHI3
TESTHI2
TESTHI1
TESTHI0
VSS
VSS
NORTHWOOD478_6
C2
Y1
W2
V3
U4
T5
W1
R6
V2
T4
U3
P6
U1
T2
R3
P4
P3
R2
T1
N5
N4
N2
M1
N1
M4
M3
L2
M6
L3
K1
L6
K4
K2
CPUVID0
AE5
CPUVID1
AE4
CPUVID2
AE3
CPUVID3
AE2
CPUVID4
AE1
CPUVID5
AD3
H_REQ4
H3
H_REQ3
J3
H_REQ2
J4
H_REQ1
K5
H_REQ0
J1
H_BPRM5_PREQ_N
AB4
H_BPRM4_PRDY_N
AA5
Y6
AC4
AB5
AC6
AD25
A6
Y3
W4
U6
AB22
AA20
AC23
AC24
AC20
AC21
AA2
AD24
H_A31
H_A30
H_A29
H_A28
H_A27
H_A26
H_A25
H_A24
H_A23
H_A22
H_A21
H_A20
H_A19
H_A18
H_A17
H_A16
H_A15
H_A14
H_A13
H_A12
H_A11
H_A10
H_A9
H_A8
H_A7
H_A6
H_A5
H_A4
H_A3
TST11
TST10
TST9
TST8
TST7
TST6
TST5
TST4H_D61
TST3
TST2
TST1
TST0
H_BPM1
H_BPM0
CPUVID0 27
CPUVID1 27
CPUVID2 27
CPUVID3 27
CPUVID4 27
H_REQ4 7
H_REQ3 7
H_REQ2 7
H_REQ1 7
H_REQ0 7
R110 56-1
R104 56-1
R95 56-1
R103 56-1
R969 1K
VCCP
VCC
DEP3
VSS
VSS
VSS
VSSB4VSSB8VSS
VSS
B20
B23
B26
C11
C13
1
VCC3
2/16
H_D[0..63]7
H_A[3..31]7
H_D[0..63]
H_A[3..31]
2/16
BOOTSEL27
R970
60-1
2/16
A A
H_BPRM5_PREQ_N
H_BPRM4_PRDY_N
H_BPM1
H_BPM0
R102 56-1
R101 56-1
R100 56-1
R99 56-1
VCCP
CLOSE TO CPU
Elitegroup Computer Systems
51R
5
4
3
2
Title
Size Document Number Re v
Custom
Date: Sheet
P4 478P Part A
845GV-M3
1
of
329Thursday, July 01, 2004
1.0
5
4
3
2
1
Place Inside
CPU Cavity
C6
D D
330P
MC20
1U
R93
49.9-1
R96
100-1
GTLREF=2/3VCCP
VCCP
GTLREF GENERATION CIRCUITS
VCCP
AE23
L14 IND-4.7U-08
L15 IND-4.7U-08
C C
CK_H_100M_CPU_N6
CK_H_100M_CPU6
51.1-1
B B
A A
EC12 22U-10V-12/10U
H_DBI37
H_DBI27
H_DBI17
H_DBI07
H_A_STB17
H_A_STB07
H_NMI15
H_INTR15
CLOSE TO
CPU
H_D_STBP37
H_D_STBP27
H_D_STBP17
H_D_STBP07
H_D_STBN37
H_D_STBN27
H_D_STBN17
H_D_STBN07
H_DBI3
H_DBI2
H_DBI1
H_DBI0
H_A_STB1
H_A_STB0
NMI
INTR
CK_H_100M_CPU_N
CK_H_100M_CPU
R105 56-1
R94 56-1
H_D_STBP3
H_D_STBP2
H_D_STBP1
H_D_STBP0
H_D_STBN3
H_D_STBN2
H_D_STBN1
H_D_STBN0
AD20
AD22
AC26
AD26
G25
AE25
AF23
AF22
W23
W22
G21
G24
V21
P26
E21
R5
L5
E5
D1
P1
L24
P23
J23
F21
R22
K22
E22
A5
A4
E11
E13
E15
E17
E19
E23
E26
E4
E7
E9
F10
F12
F14
F16
F18
F2
F22
F25
F5
F8
G3
VCCIOPLL
VCCA
VSSA
ITP_CLK0
ITP_CLK1
DB#3
DB#2
DB#1
DB#0
ADSTB1
ADSTB0
DBRESET
LINT1
LINT0
BCLK1
BCLK0
COMP1
COMP0
STBP3
STBP2
STBP1
STBP0
STBN3
STBN2
STBN1
STBN0
VCC_SENSE
VSS_SENSE
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
CPU1B
C25
D10
D12
D14
D16
D18
D20
D21
D24
VSS
VSSC5VSSC7VSSC9VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSD3VSSD6VSS
VSS
VSSK3VSSK6VSSL1VSS
VSS
VSSL4VSSM2VSS
VSS
VSSJ2VSS
VSS
VSSJ5VSS
VSS
G6
J22
J25
K24
K21
VSSM5VSS
L23
L26
N21
M22
M25
D8
E1
VSS
VSS
VSSN3VSSN6VSSP2VSS
N24
F20
AA6
AA21
C22
VSS
GTLREF0
P22
GTLREF1
VSS
VSS
P5
P25
THERMTRIP
VCCVIDPRG
IERR
MCERR
FERR
GTLREF3F6GTLREF2
STPCLK
BINIT
INIT
RSP
DBSY
DRDY
TRDY
ADS
LOCK
BR0
BNR
HIT
HITM
BPRI
DEFER
TCK
TDI
TMS
TRST
TDO
PROCHOT
IGNNE
SMI
A20M
SLP
PWRGOOD
RESET
PWMGD
THERMDA
THERMDC
BSEL0
BSEL1
AP0
AP1
VCCVID
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSR1VSS
VSS
NORTHWOOD478_6
R23
R26
AC3
V6
B6
Y4
AA3
W5
AB2
H5
H2
J6
G1
G4
H6
G2
F3
E3
D2
E2
D4
C1
F7
E6
D5
C3
B2
B5
C6
AB26
AB23
AB25
AD2
B3
C4
A2
AD6
AD5
AC1
V5
AF4
AF3
Y5
Y25
Y22
Y2
W6
W3
W24
W21
V4
V26
V23
V1
U5
U25
U22
U2
T6
T3
T24
T21
R4
H_FERR_N
H_STPCLK_N
H_INIT_N
H_DBSY_N
H_DRDY_N
H_TRDY_N
H_ADS_N
H_LOCK_N
H_BREQ0_N
H_BNR_N
H_HIT_N
H_HITM_N
H_BPRI_N
H_DEFER_N
H_TCK
H_TDI
H_TMS
H_TRST
H_PROCHOT
H_IGNNE_N
H_SMI_N
H_A20M_N
H_SLP_N
H_PWRGD
H_CPURST_N
VIDPWRGD
VTIN2
H_THRMDN
H_THERMTRIP_N
BSEL
BSEL1
1.2V
H_FERR_N 15
H_STPCLK_N 15
H_INIT_N 15,18
H_DBSY_N 7
H_DRDY_N 7
H_TRDY_N 7
H_ADS_N 7
H_LOCK_N 7
H_BREQ0_N 7
H_BNR_N 7
H_HIT_N 7
H_HITM_N 7
H_BPRI_N 7
H_DEFER_N 7
H_IGNNE_N 15
H_SMI_N 15
H_A20M_N 15
H_SLP_N 15
H_PWRGD 15
H_CPURST_N 7
VTIN2 20,23
H_THRMDN 20,23
H_THERMTRIP_N 16
BSEL 6,9,16
BSEL1 6,9,16
MC93
10U-O
V_1P2REF
W:S/10:10 mils
V_1P2REF
BSEL0/1 = 0/0 =100MHZ
BSEL0/1 = 1/0 =133MHZ
R968 2K-O
BC619
1.2VDRV
1U-10V-O
H_FERR_N
H_BREQ0_N
H_PWRGD
VCC
R967
B
H_TMS
H_CPURST_N
H_PROCHOT
H_TCK
H_TDI
H_TRST
CLOSE TO
CPU
4.7K-O
Q80
MMBT3904LT1-O
E C
R242 56-1
R111 150-1
R91 301-1
R109 56-1
R92 56-1
R964 130-1
R108 56-1
R112 150-1
R107 680
Q79
VCCP
*Placement:Close to ICH
VCCP
2/16
VCCP
VCC3 V_1P2REF
R965
10K-O
D
G
2N7002-O
S
CPU SIGNAL
TERMINATION
CLOSE TO
CPU
R966
680-1
VIDPWRGD
V1.2
2/16
BC637
1U-10V
5
4
3
1U-10V
1U-10V
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
2
Date: Sheet
P4 478P Part B
845GV-M3
1
429Thursday, July 01, 2004
1.0
of
BC639
BC638
5
D D
VCCP
* Placement :Put the cap on the North side of the processor
MC19
10U-10V-12-O
VCCP
* Placement : Put the cap in the processor cavity
C C
10U-10V-12
VCCP
* Placement : Put th e cap on the sourth side of the processor
MC35
10U-10V-12
MC34
10U-10V-12
10U-10V-12-O
MC21
MC33
4
MC23
10U-10V-12
MC32
10U-10V-12
MC10
10U-10V-12-O
MC15
10U-10V-12
MC14
10U-10V-12
MC28
10U-10V-12
3
MC26
10U-10V-12
MC13
10U-10V-12
MC24
10U-10V-12
MC12
10U-10V-12
MC18
10U-10V-12
2
MC27
10U-10V-12
1
B B
A A
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
5
4
3
2
Date: Sheet
P4 478P Part C
845GV-M3
1
529Thursday, July 01, 2004
1.0
of
5
4
3
2
1
VCC3
L25
FB-120-08
D D
BC20
VCC3
C C
VCCP
B B
R931 10K
VCC3
L27
FB-120-08
1 2
.1U
R68 10K
B
EC31 22U-25SE-O
BC18 .1U-O
BC19 .1U-O
BC21 .1U
BC25 .1U
BC26 .1U
BC16 .1U-O
BC17 .1U-O
Q68
2N3904-S
E C
1 2
+
R64
R65
R66
49.9-1
CLK1
3
VDD_REF
10
R71 0
MC90
1U
R930
0-O
CK_48M_SIO23
SMBDATA10,16,26
CK_48M_SIO
SMBCLK
SMBCLK10,16,26
SMBDATA
C40 27P
3
C39 27P
X4
X-14.318M-20PF
1 2
R76 33
VDD_PCI1
16
VDD_PCI2
25
VDD_48
28
VDD_3V66
35
VDD_SRC
41
VDD_CPU1
47
VDD_A
34
VTT_PWRGD#
4
XIN
5
XOUT
21
SEL24_48#MHZ
32
SCL
33
SDA
6
VSS_REF
11
VSS_PCI1
17
VSS_PCI2
24
VSS_48
29
VSS_3V66
38
VSS_SRC
44
VSS_CPU
46
VSS_A
CY28404C
FS_C/PCIF_0
FS_D/PCIF_1
FS_E/PCIF_2
PCI_0
PCI_1
PCI_2
PCI_3
PCI_4
PCI_5
RST#/PD#
CPU_0
CPU_0#
CPU_1
CPU_1#
SRC
SRC#
3V66_0
3V66_1
3V66_2/MODE
3V66_3/VCH/SELVCH
DOT_48
USB_48
REF2
FS_B/REF_1
FS_A/REF_0
IREF
7
8
9
12
13
14
15
18
19
20
40
39
43
42
37
36
31
30
27
26
22
23
48
2
1
45
R426 33
R427 33
R428 33
R429 33
R430 33
R432 33
R431 33
R972 33
R74 24.9-1
R75 24.9-1
R72 24.9-1
R73 24.9-1
R80 33
R78 33
R433 33
R434 33
R435 33
R910 10K
R896 33
R70 10K
R69 475-1
49.9-1
C108 22P-O
C109 22P-O
49.9-1
C113
33P-O
R67
49.9-1
C111
33P-O
CK_P_33M_ICH
CK_P_33M_FWH
CK_P_33M_SIO
PCLK1
PCLK2
PCLK3
LANPCLK
PCLK4
DOGRST
CK_H_100M_MCH
CK_H_100M_MCH_N
CK_H_100M_CPU
CK_H_100M_CPU_N
CK_G_66M_MCH
CK_HBL_66M_ICH
CK_48M_DOTCLK
CK_USB_48M_ICH
CK_14M_ICH
BSEL1
CK_14M_AC97
BSEL
CK_P_33M_ICH 15
CK_P_33M_FWH 18
CK_P_33M_SIO 23
PCLK1 29
PCLK2 29
PCLK3 29
LANPCLK 26
PCLK4 14
DOGRST 25
CK_H_100M_MCH 7
CK_H_100M_MCH_N 7
CK_H_100M_CPU 4
CK_H_100M_CPU_N 4
CK_G_66M_MCH 8
CK_HBL_66M_ICH 16
CK_48M_DOTCLK 9
CK_USB_48M_ICH 16
CK_14M_ICH 16
BSEL1 4,9,16
CK_14M_AC97 22
BSEL 4,9,16
VCC3
BSEL1
BSEL
100MHZ
133MHZ
FS4 FS3 FS2 FS1 FS0
0 0 0
1 0 0
0
01
R77 1K
1
R81 1K
010 1 0200MHZ
A A
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
5
4
3
2
Date: Sheet
Clock Generator
845GV-M3
1
629Thursday, July 01, 2004
1.0
of
5
4
3
2
1
M_CS_N[0..3]
60-1
60.4-1
BC60
.1U
R520
21
M_A[0..12]
M_CKE[0..3]
M_SBS010,12
M_SBS110,12
M_SWEA_N10,12
M_SCASA_N10,12
M_SRASA_N10,12
M_DCLK010
M_DCLK0_N10
M_DCLK110
M_DCLK1_N10
M_DCLK210
M_DCLK2_N10
M_DCLK310
M_DCLK3_N10
M_DCLK410
M_DCLK4_N10
M_DCLK510
M_DCLK5_N10
VREF_DDR
W:S = 12:12
SMXRCOMP
R129
60.4-1
60.4-1
BC300
.1U
M_AB110,12
M_AB210,12
M_AB410,12
M_AB510,12
60-1
M_CKE0
M_CKE1
M_CKE2
M_CKE3
M_SBS0
M_SBS1
M_SWEA_N
M_SCASA_N
M_SRASA_N
M_DCLK0
M_DCLK0_N
M_DCLK1
M_DCLK1_N
M_DCLK2
M_DCLK2_N
M_DCLK3
M_DCLK3_N
M_DCLK4
M_DCLK4_N
M_DCLK5
M_DCLK5_N
SMYRCOMP
SMYRCOMP
R521
60.4-1
2
M_A0
M_A1
M_A2
M_A3
M_A4
M_A5
M_A6
M_A7
M_A8
M_A9
M_A10
M_A11
M_A12
M_AB1
M_AB2
M_AB4
M_AB5
M_CS_N0
M_CS_N1
M_CS_N2
M_CS_N3
21
BC58
.1U
AL25
AN25
AP23
AK20
AL19
AL17
AP19
AP17
AN17
AK16
AK26
AL15
AN15
AP25
AN23
AN19
AK18
AL29
AP31
AK30
AN31
AP13
AN13
AK14
AL13
AN27
AP27
AP29
AN29
AK28
AL21
AK22
AN11
AP11
AM34
AL33
AP21
AN21
AP33
AN34
AK24
AL23
AF10
AJ34
AP9
AN9
AM2
U8B
SMAA0
SMAA1
SMAA2
SMAA3
SMAA4
SMAA5
SMAA6
SMAA7
SMAA8
SMAA9
SMAA10
SMAA11
SMAA12
SMAB1
SMAB2
SMAB4
SMAB5
SCS#0
SCS#1
SCS#2
SCS#3
SCKE0
SCKE1
SCKE2
SCKE3
SBA0
SBA1
SWE#
SCAS#
SRAS#
SCMD_CLK0
SCMD_CLK#0
SCMD_CLK1
SCMD_CLK#1
SCMD_CLK2
SCMD_CLK#2
SCMD_CLK3
SCMD_CLK#3
SCMD_CLK4
SCMD_CLK#4
SCMD_CLK5
SCMD_CLK#5
SRCVEN_OUT#
SRCVEN_IN#
SM_VREF
Package 2.0
SMXRCOMP
SMYRCOMP
Brookdale-G
SDQ0
SDQ1
SDQ2
SDQ3
SDQ4
SDQ5
SDQ6
SDQ7
SDQ8
SDQ9
SDQ10
SDQ11
SDQ12
SDQ13
SDQ14
SDQ15
SDQ16
SDQ17
SDQ18
SDQ19
SDQ20
SDQ21
SDQ22
SDQ23
SDQ24
SDQ25
SDQ26
SDQ27
SDQ28
SDQ29
SDQ30
SDQ31
SDQ32
SDQ33
SDQ34
SDQ35
SDQ36
SDQ37
SDQ38
SDQ39
SDQ40
SDQ41
SDQ42
SDQ43
SDQ44
SDQ45
SDQ46
SDQ47
SDQ48
SDQ49
SDQ50
SDQ51
SDQ52
SDQ53
SDQ54
SDQ55
SDQ56
SDQ57
SDQ58
SDQ59
SDQ60
SDQ61
SDQ62
SDQ63
SDQS0
SDQS1
SDQS2
SDQS3
SDQS4
SDQS5
SDQS6
SDQS7
SM0
SM1
SM2
SM3
SM4
SM5
SM6
SM7
AN4
AP2
AT3
AP5
AN2
AP3
AR4
AT4
AT5
AR6
AT9
AR10
AT6
AP6
AT8
AP8
AP10
AT11
AT13
AT14
AT10
AR12
AR14
AP14
AT15
AP16
AT18
AT19
AR16
AT16
AP18
AR20
AR22
AP22
AP24
AT26
AT22
AT23
AT25
AR26
AP26
AT28
AR30
AP30
AT27
AR28
AT30
AT31
AR32
AT32
AR36
AP35
AP32
AT33
AP34
AT35
AN36
AM36
AK36
AJ36
AP36
AM35
AK35
AK34
AR2
AT7
AT12
AT17
AR24
AT29
AT34
AL36
AP4
AR8
AP12
AR18
AT24
AP28
AR34
AL34
M_D0
M_D1
M_D2
M_D3
M_D4
M_D5
M_D6
M_D7
M_D8
M_D9
M_D10
M_D11
M_D12
M_D13
M_D14
M_D15
M_D16
M_D17
M_D18
M_D19
M_D20
M_D21
M_D22
M_D23
M_D24
M_D25
M_D26
M_D27
M_D28
M_D29
M_D30
M_D31
M_D32
M_D33
M_D34
M_D35
M_D36
M_D37
M_D38
M_D39
M_D40
M_D41
M_D42
M_D43
M_D44
M_D45
M_D46
M_D47
M_D48
M_D49
M_D50
M_D51
M_D52
M_D53
M_D54
M_D55
M_D56
M_D57
M_D58
M_D59
M_D60
M_D61
M_D62
M_D63
M_DQS_N0
M_DQS_N1
M_DQS_N2
M_DQS_N3
M_DQS_N4
M_DQS_N5
M_DQS_N6
M_DQS_N7
M_DM0
M_DM1
M_DM2
M_DM3
M_DM4
M_DM5
M_DM6
M_DM7
Elitegroup Computer Systems
Title
Size Document Number Re v
Custom
Date: Sheet
I845G ( GMCH ) Part I
H_D[0..63]
H_D[0..63] 3
H_A[3..31]
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_N 4
H_TRDY_N 4
H_DRDY_N 4
H_DEFER_N 4
H_HITM_N 4
H_HIT_N 4
H_LOCK_N 4
H_BREQ0_N 4
H_BNR_N 4
H_BPRI_N 4
H_DBSY_N 4
H_RS0_N 3
H_RS1_N 3
H_RS2_N 3
H_CPURST_N 4
PWROK 16,25
M30
M35
K35
H36
G34
G36
D35
E36
H34
D36
H35
E33
E34
B35
G31
C36
D33
D30
D29
E31
D32
C34
B34
D31
G29
C32
B31
B32
B30
B29
E27
C28
B27
D26
D28
B26
G27
H26
B25
C24
B23
B24
E23
C22
G25
B22
D24
G23
H30
H24
D27
AD30
P30
T30
R33
R34
N34
R31
L33
L36
P35
J36
K34
K36
L34
J33
F36
F34
F35
U8A
HD#0
HD#1
HD#2
HD#3
HD#4
HD#5
HD#6
HD#7
HD#8
HD#9
HD#10
HD#11
HD#12
HD#13
HD#14
HD#15
HD#16
HD#17
HD#18
HD#19
HD#20
HD#21
HD#22
HD#23
HD#24
HD#25
HD#26
HD#27
HD#28
HD#29
HD#30
HD#31
HD#32
HD#33
HD#34
HD#35
HD#36
HD#37
HD#38
HD#39
HD#40
HD#41
HD#42
HD#43
HD#44
HD#45
HD#46
HD#47
HD#48
HD#49
HD#50
HD#51
HD#52
HD#53
HD#54
HD#55
HD#56
HD#57
HD#58
HD#59
HD#60
HD#61
HD#62
HD#63
HD_VREF0
HD_VREF1
HD_VREF2
HA_VREF
HCC_VREF
Brookdale-G
R117
100-1
C43
.01U
HA#03
HA#04
HA#05
HA#06
HA#07
HA#08
HA#09
HA#10
HA#11
HA#12
HA#13
HA#14
HA#15
HA#16
HA#17
HA#18
HA#19
HA#20
HA#21
HA#22
HA#23
HA#24
HA#25
HA#26
HA#27
HA#28
HA#29
HA#30
HA#31
HREQ#0
HREQ#1
HREQ#2
HREQ#3
HREQ#4
HADSTB#0
HADSTB#1
HCLKP
HCLKN
HYRCOMP
HYSWNG
HXRCOMP
HXSWNG
HDSTBP#0
HDSTBN#0
DINV#0
HDSTBP#1
HDSTBN#1
DINV#1
HDSTBP#2
HDSTBN#2
DINV#2
HDSTBP#3
HDSTBN#3
DINV#3
ADS#
HTRDY#
DRDY#
DEFER#
HITM#
HIT#
HLOCK#
BREQ#0
BNR#
BPRI#
DBSY#
RS#0
RS#1
RS#2
CPURST#
PWROK
H_D0
H_D1
H_D2
D D
C C
GMCH_GTLREF
B B
VCCP
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
R115 49.9-1
H_A3
W31
H_A4
AA33
H_A5
AB30
H_A6
V34
H_A7
Y36
H_A8
AC33
H_A9
Y35
H_A10
AA36
H_A11
AC34
H_A12
AB34
H_A13
Y34
H_A14
AB36
H_A15
AC36
H_A16
AC31
H_A17
AF35
H_A18
AD36
H_A19
AD35
H_A20
AE34
H_A21
AD34
H_A22
AE36
H_A23
AF36
H_A24
AE33
H_A25
AF34
H_A26
AG34
H_A27
AG36
H_A28
AE31
H_A29
AH35
H_A30
AG33
H_A31
AG31
H_REQ0
V36
H_REQ1
AA31
H_REQ2
W33
H_REQ3
AA34
H_REQ4
W35
H_A_STB0
AB35
H_A_STB1
AF30
CK_H_100M_MCH
K30
CK_H_100M_MCH_N
J31
HYRCOMP
V35
HXSWING
Y30
HXRCOMP
B28
HYSWING
H28
H_D_STBP0
L31
H_D_STBN0
N31
H_DBI0
N33
H_D_STBP1
J34
H_D_STBN1
G33
H_DBI1
C35
H_D_STBP2
E29
H_D_STBN2
C30
H_DBI2
B33
H_D_STBP3
E25
H_D_STBN3
D25
H_DBI3
C26
H_ADS_N
T36
H_TRDY_N
V30
H_DRDY_N
U36
H_DEFER_N
N36
H_HITM_N
M36
H_HIT_N
P36
H_LOCK_N
T35
H_BREQ0_N
U33
H_BNR_N
T34
H_BPRI_N
M34
H_DBSY_N
U31
H_RS0_N
R36
H_RS1_N
U34
H_RS2_N
P34
H_CPURST_N
D22
PWROK
E7
GMCH_GTLREF
H_A[3..31] 3
CK_H_100M_MCH 6
CK_H_100M_MCH_N 6
NEAR GMCH
HYRCOMP
Trace to voltage divider width:spacing =
12:10, 3.0" max
A A
VCCP
R114 301-1
Trace to voltage divider width:spacing = 12:10, 3.0" max
R116
150-1
5
HXSWING
HYSWING
C42
.01U
HXRCOMP
width:spacing = 10:7, 0.5" max
R113 24.9-1
R118 24.9-1
CLOSE TO
CMCH
4
U8G
G35
G21
G17
M32
AN3
AN1
AR37
AR35
AR33
AR31
AR29
AR27
AN35
M10
AB28
AF28
AH16
AH20
AH24
AH28
A35
A33
A29
A27
AU3
A23
A21
B36
A25
AU7
AU11
AU15
AU23
AU27
AU31
AU35
AT2
AT36
AR1
AR3
AR5
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSA5VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
W36
3
VSS
W34
VSS
VSS
AR25
VSS
AN33
AN7
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AN5
VSS
VSS
Brookdale-G
AR7
AR9
AR11
AR13
AR15
AR17
AR19
AR21
AR23
W29
W3
Y32
Y21
Y20
Y18
Y17
Y6
AA37
AA35
AA29
AA20
AA18
AA9
AA1
AB32
AB6
AB4
AC35
AC29
AC3
AD32
AE37
AE35
AE29
AE9
AE1
AF32
AF8
AF6
AG37
AG35
AG29
AG5
AG4
AG3
AH36
AH32
AH30
AJ37
AJ33
AJ29
AJ25
AJ21
AJ17
AJ13
AK12
AL35
AL31
AL27
AM32
AM28
AM24
AM20
AM16
AM12
AM10
AM8
AM6
AM4
AM3
AN37
2_5VSTR
B15
VSS_DAC
C14
VSS_DAC
T32
VSS
B21
VSS
B17
VSS
B13
VSS
B8
VSS
B2
VSS
C37
VSS
C33
VSS
C31
VSS
C29
VSS
C27
VSS
C25
VSS
C23
VSS
C21
VSS
C17
VSS
C16
VSS
C13
VSS
C8
VSS
C5
VSS
D34
VSS
D23
VSS
D21
VSS
D17
VSS
D15
VSS
D13
VSS
D8
VSS
E37
VSS
E35
VSS
E21
VSS
E17
VSS
E13
VSS
E3
VSS
E1
VSS
F32
VSS
F30
VSS
F28
VSS
F26
VSS
F24
VSS
F22
VSS
F14
VSS
F8
VSS
F6
VSS
VSS
VSS
VSS
G9
VSS
G3
VSS
H32
VSS
H22
VSS
H6
VSS
J37
VSS
J35
VSS
J29
VSS
J27
VSS
J25
VSS
J23
VSS
J21
VSS
J17
VSS
J9
VSS
J3
VSS
J1
VSS
K32
VSS
L35
VSS
L29
VSS
L3
VSS
VSS
M6
VSS
N37
VSS
N35
VSS
N29
VSS
N9
VSS
N3
VSS
N1
VSS
P32
VSS
R35
VSS
R29
VSS
R3
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
K24
VSS
K28
VSS
VSS
P28
VSS
T10
VSS
V28
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSST6VSS
U37
U35
Package 2.0
VSS
VSS
U29
Y10
VSS
U20
VSS
VSSU9VSSU3VSSU1VSS
U18
Package 1.0
VSS
VSS
V32
V21
V20
V18
VSS
VSS
V17
M_A[0..12]10,12
M_CS_N[0..3]10,12
M_CKE[0..3]10,12
Place R on the bottom side
NO stuff but short directly,
and ground ref. Spacing = 12
mils min.
R128
21
Place R less than 1" from
the GMCH, and Trace
width:spacing = 12:10
2_5VSTR
M_D[0..63]
M_DQS_N[0..7]
M_DM[0..7]
845GV-M3
1
M_D[0..63] 11
M_DQS_N[0..7] 11
M_DM[0..7] 11
of
729Thursday, July 01, 2004
1.0
AH26
AH22
AH18
AH14
AH12
AH10
AK2
AL5
AU13
AU17
AU25
AU29
AU33
AG7
AG9
AH2
AH3
AH4
AH6
AH8
AJ11
AJ15
AJ19
AJ23
AK3
AK4
AK6
AK8
AK10
AK32
AL1
AL2
AL3
AL4
AL7
AL9
AL11
AL37
AM14
AM18
AM22
AM26
AU9
AU5
AP20
AP15
AP7
AM30
AJ27
AJ2
AJ3
AJ4
AJ5
AJ7
AJ9
AJ1
5
U8F
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
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
Brookdale-G
BC15
.1U
BC57
.1U
BC47
.1U
5
VCCP
Package 1.0 Package 2.0 Package 2.0
AD28
VTTFSB
Y28
VTTFSB
T28
VTTFSB
M28
VTTFSB
K26
VTTFSB
K22
VTTFSB
K20
VTTFSB
K18
VTTFSB
B19
VTTFSB
B20
VTTFSB
C18
VTTFSB
C19
VTTFSB
C20
VTTFSB
D18
VTTFSB
D19
VTTFSB
D20
VTTFSB
E19
VTTFSB
F20
VTTFSB
G19
VTTFSB
H18
VTTFSB
H20
VTTFSB
J19
VTTFSB
F18
VTTFSB
B18
VTTFSB
AC37
VTTDECAP
R37
VTTDECAP
L37
VTTDECAP
G37
VTTDECAP
A31
VTTDECAP
VCCA_DPLL
VCCA_DAC
VCCA_DAC
VCCA_FSB
VCCA_HI
VCCA_SM
VCCA_SM
VCCQ_SM
VCCQ_SM
VCCQ_SM
VCCGPIO
VSSA_DAC
VSSA_DAC
L23
FB-300-08
BC40
C44
.1U
.01U
12
EC30
+
22U-25SE-O
12
EC35
+
22U-25SE-O
L35
FB-0.68UH-08
MC65
10U-10V-12
A13
A15
B14
A17
AD10
AG2
AG1
AT20
AT21
AU21
B6
B15
C14
MC87
10U-10V-12
VCCA_FSB
VCCA_SM
VDDQ
FB-0.82UH-0603
FB-1UH-1210
MC88
10U-10V-12
2_5VSTR
VCCA_DPLL
VCCA_DAC
VCCQ_SM
Close to GMCH
L24
L36
BC41
.1U
VDDQ
VCC3
VDDQ
VDDQ
2_5VSTR
D D
C C
VCCA_DAC
B B
VCCA_FSB
VCCA_SM
VCCQ_SM
A A
4
Put it between CPU and GMCH,
and near GMCH. Trace width =
18 mil min.
BC29
BC31
.1U
.1U
BC34
.1U
BC30
.1U
2_5VSTR
12
EC14
+
100U-16E
Place between GMCH and
Dimm1
EC15
+
100U-16E
VCCP
BC35
.1U
.1U
.1U
BC37
BC39
VCCP to GMCH corridor for VTTFSB
BC43
EC34
+
1000U-6.3LE
BC42
.1U
BC54
.1U
.1U
AGP corridor
4
BC32
.1U
EC16
+
100U-16E
BC38
.1U
BC53
.1U
BC36
.1U
VDDQ
BC52
.1U-O
VDDQ
AC1
AC9
AD6
AE3
D10
H14
W20
AA21
AA19
AA17
EC36
+
100U-16E
VCCP
MC60
10U-10V-12
BC55
.1U-O
HUB corridor
3
VDDQ
U8E
A7
VCCAGP
L1
VCCAGP
R9
VCCAGP
P6
VCCAGP
R1
VCCAGP
D6
VCCAGP
W9
VCCAGP
A3
VCCAGP
C1
VCCAGP
K6
VCCAGP
V6
VCCAGP
D4
VCCAGP
G1
VCCAGP
L9
VCCAGP
VCCHI
VCCHI
VCCHI
VCCHI
A9
VCC
VCC
VCC
VCC
VCC
VCC
VCC
Package 1.0
Brookdale-G
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCCAGP
VCCAGP
VCCAGP
C11
C12
D9
D11
D12
E9
E11
F10
F12
G11
G13
H10
H12
J11
J13
J15
C10
C9
B12
B11
B10
B9
A11
V19
U17
U19
U21
W17
W18
W19
W21
Y19
K16
K14
K12
K10
P10
V10
AB10
Package 2.0
0.5" max length
BC137
.1U
CK_G_66M_MCH6
VREF_AGP_MCH14
VREF_AGP_MCH
PCIRST_N14,15,18,21,23,26,29
G_PAR14
VDDQ
PCIRST_N
HB_HLSTB15
HB_HLSTB_N15
R123 68.1-1
2
CK_G_66M_MCH
G_PAR
R12240.2-1
VREF_AGP_MCH
HB_HL0
HB_HL1
HB_HL2
HB_HL3
HB_HL4
HB_HL5
HB_HL6
HB_HL7
HB_HL8
HB_HL9
HB_HL10
HB_HIVREF
HB_HISWING
HB_HLSTB
HB_HLSTB_N
HB_HIRCOMP
AC7
AC5
AD8
AD3
AD2
AD4
AC4
AC2
AJ31
R4
N4
M2
H2
M4
AE7
N2
N7
N5
P2
P4
D5
B5
L2
W2
G7
G5
H8
C4
B4
B3
AA7
AB8
AF4
AE4
AE5
AF3
AE2
AF2
AB3
AB2
U8C
G_C/BE#0
G_C/BE#1
G_C/BE#2
G_C/BE#3
GFRAME#
GCLKIN
GDEVSEL#
GIRDY#
GTRDY#
GSTOP#
GPAR
GREQ#
GGNT#
AGPRCOMP
AGPVREF
GRBF
GWBF
GPIPE
GST0
GST1
GST2
HI0
HI1
HI2
HI3
HI4
HI5
HI6
HI7
HI8
HI9
HI10
HI_VREF
HI_SWING
HI_STBS
HI_STBF
HI_RCOMP
RSTIN#
RSVD
RSVD
Brookdale-G
GADSTB0
GADSTB#0
GADSTB1
GADSTB#1
G_AD0
G_AD1
G_AD2
G_AD3
G_AD4
G_AD5
G_AD6
G_AD7
G_AD8
G_AD9
G_AD10
G_AD11
G_AD12
G_AD13
G_AD14
G_AD15
G_AD16
G_AD17
G_AD18
G_AD19
G_AD20
G_AD21
G_AD22
G_AD23
G_AD24
G_AD25
G_AD26
G_AD27
G_AD28
G_AD29
G_AD30
G_AD31
GSBSTB
GSBSTB#
GSBA0
GSBA1
GSBA2
GSBA3
GSBA4
GSBA5
GSBA6
GSBA7
V8
U7
M8
L7
V4
V2
W4
W5
U5
U4
U2
V3
T2
T3
T4
R2
R5
R7
T8
P3
P8
K4
K2
J2
M3
L5
L4
H4
G2
K3
J4
J5
J7
H3
K8
G4
F4
E5
C3
C2
D3
D2
E4
E2
F3
F2
HB_HLL[0..10]
1
HB_HL[0..10] 15
MCHPAD2
1 2
3 4
5 6
7 8
HEADER
JH1~JH2
20-140-070010
VDDQ
12
R234
226-1
BC56
.1U-O
MC61
10U-10V-12
HB_HISWING
21
C45
.01U
21
C46
.01U
12
21
21
BC61
.1U
BC62
.1U
12
R233
100-1
HB_HIVREF
R235
100-1
21
C72
.01U
21
C71
.01U
Near ICH4Near GMCH
2_5VSTR
VCCA_DPLL
BC23
BC45
BC51
.1U
3
.1U-O
.1U
.1U
Close
MCH
.1U
BC46
BC48
BC49
BC50
BC44
.1U
BC33
.1U
.1U
2
.1U
Title
Size Document Number Re v
Custom
Date: Sheet
12
EC32
+
22U-25SE-O
Elitegroup Computer Systems
I845G (GMCH) Part II
845GV-M3
MC89
10U-10V-12
1
HB_HISWING 15
HB_HIVREF 15
L26
10UH-08
of
829Thursday, July 01, 2004
VDDQ
1.0
8
7
6
5
4
3
2
1
RED
VGA CONN.
CONN-VGASTB
Q65
B
VGA1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
2N3904-O
E C
VCC3
R127
1.5K-O
R126
8.2K-O
R319
8.2K
GREEN
BLUE
D D
VCC
1 2
BC618
.1U-O
DDCSDA_5V
DDCSCL_5V
R907
10K-O
G
R909
10K-O
VCC3
DS
2N7002-O
R904
1K-O
Q66
G
HSYNC
R8 47
VSYNC
R10 47
BC617
.1U-O
C C
VCC3 VCC
12
12
246
8
2.2K-8P4R
135
7
B B
DDCSCL_3V
DDCSDA_3V
RN9
Q11
2N3904-S
Q10
2N3904-S
2.2K
B
B
R11
R9
2.2K
DDCSCL_5V
E C
DDCSDA_5V
E C
BSEL4,6,16
BSEL14,6,16
L6
DS
Q67
2N7002-O
RED
GREEN
BLUE
R903
0-O
5V<->3V
TRANSLATION/ISOLATION
RED_N
GREEN_N
BLUE_N
12
R20
75-1
12
R19
75-1
12
R18
75-1
BC614
.1U-O
BC615
.1U-O
BC616
.1U-O
# CLOSE TO VGA CONN
#
U8D
Y3
PSBSEL
MEMSEL
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
RSVD
Brookdale-G
DDCA_DATA
DDCA_CLK
GREEN
GREEN#
HSYNC
VSYNC
DREFCLK
REFSET
AA2
AA3
AA4
AA5
W7
A37
Y2
Y4
Y8
RED
RED#
BLUE
BLUE#
DDCSDA_3V
C7
DDCSCL_3V
D7
RED
C15
RED_N
D16
GREEN
E15
GREEN_N
F16
BLUE
G15
BLUE_N
H16
HSYNC
B7
VSYNC
C6
CK_48M_DOTCLK
D14
B16
R120
121-1
CK_48M_DOTCLK 6
A A
R15
37.4-1/0
CLOSE
CONNECTOR
8
R16
37.4-1/0
7
R17
37.4-1/0
REMOVE R15,R16,R17 in BOM
6
Elitegroup Computer Systems
Title
Size Document Number Rev
Custom
5
4
3
Date: Sheet
I845G (GMCH) Part III
845GV-M3
2
of
1.0
929Thursday, July 01, 2004
1
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