Service manual

Schematic Diagrams
Mainboard (71-P3000-004A) B - 9
Schematic Diagrams
MCH (RDRAM, PCI) - 2 of 2
Sheet 7 of 32
MCH (RDRAM, PCI)
2 of 2
+1.5V
+MCH_GTLREF
VCORE
+VREFRMBA
+VREFRMBB
+HUBREF_A
+HUBREF_A
VCORE
+1.8V
+1.8V
+1.8V
VCORE
VREF_MCH
A_RMBR1_B1
A_RMBR1_B2
A_RMBR1_B5
A_RMBR1_B3
A_RMBR1_B4
A_RMBR1_B7
A_RMBR1_B6
A_RMBR1_B8
A_RMBR1_RQ1
A_RMBR1_RQ0
A_RMBR1_RQ2
A_RMBR1_RQ3
A_RMBR1_RQ4
A_RMBR1_RQ6
A_RMBR1_RQ5
A_RMBR1_RQ7
B_RMBR1_B[0..8]
B_RMBR1_A[0..8]
A_RMBR1_B0
A_RMBR1_B[0..8]
A_RMBR1_RQ[0..7]
G_C/BE[0..3]
G_C/BE2
G_AD29
G_AD28
G_AD21
G_C/BE0
G_AD24
G_AD[0..31]
G_AD1
G_AD13
G_AD9
G_AD6
G_AD4
G_AD19
G_AD18
G_AD16
G_C/BE3
G_AD30
G_AD25
G_AD22
G_AD0
G_AD2
G_AD14
G_AD10
G_AD7
G_C/BE1
G_AD27
G_AD20
G_AD17
G_AD31
G_AD26
G_AD23
G_AD12
G_AD5
G_AD3
G_AD15
G_AD11
G_AD8
B_RMBR1_A0
B_RMBR1_A1
B_RMBR1_A2
B_RMBR1_A3
B_RMBR1_A4
B_RMBR1_A5
B_RMBR1_A6
B_RMBR1_B1
B_RMBR1_B2
B_RMBR1_B5
B_RMBR1_B3
B_RMBR1_B4
B_RMBR1_B7
B_RMBR1_B6
B_RMBR1_B8
B_RMBR1_RQ1
B_RMBR1_RQ0
B_RMBR1_RQ2
B_RMBR1_RQ3
B_RMBR1_RQ4
B_RMBR1_RQ6
B_RMBR1_RQ5
B_RMBR1_RQ7
B_RMBR1_B0
A_RMBR1_A8
A_RMBR1_A3
A_RMBR1_A[0..8]
A_RMBR1_A0
B_RMBR1_A7
A_RMBR1_A6
A_RMBR1_A2
A_RMBR1_A4
A_RMBR1_A7
A_RMBR1_A1
B_RMBR1_A8
A_RMBR1_A5
Z0601
Z0602
HRCOMP1
HRCOMP0
GRCOMP
HLRCOMP_A
B_RMBR1_RQ[0..7]
+1.8V_RAC
HSWNG
C193
0.1U_X7R
12
C184
0.1U_X7R
12
C648
0.1U_X7R
12
C168
0.1U_X7R
12
C635
0.1U_X7R
12
C300
0.1U_X7R
12
C810
0.1U_X7R
12
R127
150_1%
12
R126
150_1%
12
C205
0.1U_X7R
12
C206
0.1U_X7R
12
C207
0.1U_X7R
12
C204
0.01U_X7R
12
R136 1001 2
C224
0.1U_X7R
12
C223
0.1U_X7R
12
C136
0.1U_X7R
12
C137
0.1U_X7R
12
C560
0.1U_X7R
12
C135
0.1U_X7R
12
C127
0.1U_X7R
12
R411 20.5_1%1 2
R341 20.5_1%1 2
R342
49.9_1%
12
R348
100_1%
12
R409 1001 2
R86 40.2_1%1 2
R128 40.2_1%1 2
C605
0.01U_X7R
12
C584
0.01U_X7R
12
C153
0.1U_X7R
12
C559
0.1U_X7R
12
C151
0.1U_X7R
12
C570
0.01U_X7R
12
C542
0.01U_X7R
12
C134
0.1U_X7R
12
C130
0.1U_X7R
12
C128
0.1U_X7R
12
C133
0.1U_X7R
12
C126
0.1U_X7R
12
C315
0.1U_X7R
12
C316
0.1U_X7R
12
C678
0.1U_X7R
12
C156
0.1U_X7R
12
C644
0.1U_X7R
12
C158
0.1U_X7R
12
C612
0.1U_X7R
12
C197
0.1U_X7R
12
C173
0.1U_X7R
12
C176
0.1U_X7R
12
C589
0.1U_X7R
12
C172
0.1U_X7R
12
C660
0.1U_X7R
12
C659
0.1U_X7R
12
C702
0.1U_X7R
12
C689
0.1U_X7R
12
C704
0.1U_X7R
12
C703
0.1U_X7R
12
C200
0.1U_X7R
12
C152
0.1U_X7R
12
C160
0.1U_X7R
12
C619
0.1U_X7R
12
C679
0.1U_X7R
12
C154
0.1U_X7R
12
C945
0.1U_X7R
12
C938
0.1U_X7R
12
C298
0.1U_X7R
12
C811
0.1U_X7R
12
C226
0.1U_X7R
12
C930
0.1U_X7R
12
C820
0.1U_X7R
12
C907
0.1U_X7R
12
C227
0.1U_X7R
12
C221
0.1U_X7R
12
R355
301_1%
12
R347 150_1%1 2
C583
0.01U_X7R
12
C604
0.01U_X7R
12
C932
0.1U_X7R
12
C812
0.1U_X7R
12
RDRAM A
RDRAM B
U10B
850(MCH)
U21
T20
U23
U19
V22
V20
W23
W19
W21
K19
H23
H21
F21
H19
F23
G22
F19
G20
R24
R23
P23
P24
E22
E24
E23
D17
E16
B17
F17
A18
E18
C18
D19
B19
A15
B15
B14
A14
C5
A5
B5
J24
K21
K23
L20
L24
M19
M23
N20
F10
B8
D8
D6
F8
B6
C7
F6
E7
A9
D10
B10
E11
A11
F12
B12
E13
U17
T17
N17
M17
J17
H17
G17
E17
C17
A17
AD16
AC16
AA16
Y16
W16
U16
T16
N16
M16
J16
H16
G16
F16
D16
B16
A16
R15
P15
L15
K15
G15
E15
C15
AE14
AB14
V14
R14
P14
L14
K14
G14
E14
C14
U13
T13
N13
M13
J13
H13
G13
F13
D13
B13
A13
V12
U12
T12
N12
M12
J12
H12
G12
E12
C12
A12
W11
R11
P11
L11
K11
G11
F11
D11
B11
AA10
R10
P10
L10
K10
G10
E10
C10
A10
AC9
V9
T9
P9
M9
K9
H9
F9
D9
B9
AE8 E8
C8
A8
AA7
R7
J7
F7
D7
B7
A7
AC6
DQA_A0
DQA_A1
DQA_A2
DQA_A3
DQA_A4
DQA_A5
DQA_A6
DQA_A7
DQA_A8
DQB_A0
DQB_A1
DQB_A2
DQB_A3
DQB_A4
DQB_A5
DQB_A6
DQB_A7
DQB_A8
CTM_A
CTM_A#
CFM_A
CFM_A#
CMD_A
SCK_A
SIO_A
DQA_B0
DQA_B1
DQA_B2
DQA_B3
DQA_B4
DQA_B5
DQA_B6
DQA_B7
DQA_B8
CTM_B
CTM_B#
CFM_B
CFM_B#
CMD_B
SCK_B
SIO_B
RQ_A0
RQ_A1
RQ_A2
RQ_A3
RQ_A4
RQ_A5
RQ_A6
RQ_A7
DQB_B0
DQB_B1
DQB_B2
DQB_B3
DQB_B4
DQB_B5
DQB_B6
DQB_B7
DQB_B8
RQ_B0
RQ_B1
RQ_B2
RQ_B3
RQ_B4
RQ_B5
RQ_B6
RQ_B7
VSS71
VSS72
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
VSS108
VSS109
VSS110
VSS111
VSS112
VSS113
VSS114
VSS115
VSS116
VSS117
VSS118
VSS119
VSS120
VSS121
VSS122
VSS123
VSS124
VSS125
VSS126
VSS127
VSS128
VSS129
VSS130
VSS131
VSS132
VSS133
VSS134
VSS135
VSS136
VSS137
VSS138
VSS139
VSS140
VSS141
VSS142
VSS143
VSS144
VSS145
VSS146
VSS147
VSS148
VSS149
VSS150
VSS151
VSS152
VSS153
VSS154
VSS155
VSS156
VSS157
VSS158
VSS159
VSS160
VSS161
VSS162
VSS163
VSS164 VSS165
VSS166
VSS167
VSS168
VSS169
VSS170
VSS171
VSS172
VSS173
VSS174
VSS175
Voltage
Reference
/
PLL
Power
AGP/PCI
Signals
VDDQ
VCC1.8
U10C
850(MCH)
K7
M8
P8
T8
N8
V10
AD7
P21
R21
D15
D14
W17
W14
D23
D24
W13
AF7
M6
AE7
P7
W15
AC24
AE23
Y23
AB22
AC21
Y21
AE19
AD19
AA19
AE17
AB17
AD15
AC15
AA15
Y15
V13
B23
T22
N22
J22
J20
R19
P19
C16
F15
F14
AB24
Y24
AD24
AA22
AD23
AA24
AF23
AE24
AF22
AA21
Y22
AD21
AE21
AF21
AB21
AA20
AB18
AD18
AE18
AF18
Y17
AA17
AC17
AD17
AE16
AF16
AE15
AF15
Y14
AA14
AC14
AD14
AE22
AC20
AA18
AF17
AB19
Y18
Y20
AF19
AC19
AC11
AD11
AF20
C13
E9
C9
R4
J4
C4
AC3
U3
L3
E3
AE2
W2
N2
G2
A2
AA1
R1
C1
U6
L6
E6
C6
A6
AE5
W5
N5
G5
AA4
B20
R17
P17
L17
K17
R16
P16
L16
K16
V15
U15
T15
N15
M15
J15
H15
U14
T14
N14
M14
J14
H14
R13
P13
L13
K13
R12
P12
L12
K12
U11
T11
N11
M11
J11
H11
U10
T10
N10
M10
J10
H10
W8
HDVREF0
HDVREF1
HDVREF2
HDVREF3
HAVREF0
HAVREF1
CCVREF
CHA_REF0
CHA_REF1
CHB_REF0
CHB_REF1
GREF_0
GREF_1
HLREF_A
HLRCOMP_A
GRCOMP
HRCOMP0
HRCOMP1
HSWNG0
HSWNG1
G_SWNG
VDDQ1
VDDQ2
VDDQ3
VDDQ4
VDDQ5
VDDQ6
VDDQ7
VDDQ8
VDDQ9
VDDQ10
VDDQ11
VDDQ12
VDDQ13
VDDQ14
VDDQ15
VDDQ16
VCC1.8_1
+1.8V_RAC1
+1.8V_RAC2
+1.8V_RAC3
+1.8V_RAC4
+1.8V_RAC5
+1.8V_RAC6
+1.8V_RAC7
+1.8V_RAC8
+1.8V_RAC9
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
G_C/BE0
G_C/BE1
G_C/BE2
G_C/BE3
G_FRAME#
G_IRDY#
G_TRDY#
G_STOP#
G_DEVSEL#
G_REQ#
G_GNT#
G_PAR
+1.8V_RAC10
+1.8V_RAC11
+1.8V_RAC12
VSS186
VSS187
VSS188
VSS189
VSS190
VSS191
VSS192
VSS193
VSS194
VSS195
VSS196
VSS197
VSS198
VSS199
VSS200
VSS176
VSS177
VSS178
VSS179
VSS180
VSS181
VSS182
VSS183
VSS184
VSS185
VCC1.8_2
VCC1.8_3
VCC1.8_4
VCC1.8_5
VCC1.8_6
VCC1.8_7
VCC1.8_8
VCC1.8_9
VCC1.8_10
VCC1.8_11
VCC1.8_12
VCC1.8_13
VCC1.8_14
VCC1.8_15
VCC1.8_16
VCC1.8_17
VCC1.8_18
VCC1.8_19
VCC1.8_20
VCC1.8_21
VCC1.8_22
VCC1.8_23
VCC1.8_24
VCC1.8_25
VCC1.8_26
VCC1.8_27
VCC1.8_28
VCC1.8_29
VCC1.8_30
VCC1.8_31
VCC1.8_32
VCC1.8_33
VCC1.8_34
VCC1.8_35
VCC1.8_36
VCC1.8_37
VCC1.8_38
VCC1.8_39
VCC1.8_40
VCC1.8_41
VCC1.8_42
VCC1.8_43
VCC1.8_44
VTT
U10D
850(MCH)
AD10
AF9
Y9
R9
N9
L9
J9
G9
AB8
K8
V7
M7
AF6
Y6
P6
H6
AB5
T5
K5
AD4
V4
M4
F4
AF3
Y3
P3
H3
B3
AB2
V2
T2
K2
D2
AD1
M1
F1
VTT1
VTT2
VTT3
VTT4
VTT5
VTT6
VTT7
VTT8
VTT9
VTT10
VTT11
VTT12
VTT13
VTT14
VTT15
VTT16
VTT17
VTT18
VTT19
VTT20
VTT21
VTT22
VTT23
VTT24
VTT25
VTT26
VTT27
VTT28
VTT29
VTT30
VTT31
VTT32
VTT33
VTT34
VTT35
VTT36
L47
0_1206
12
A_RMBR1_A[0..8] [7]
B_RMBR1_B[0..8] [7]
A_RMBR1_B[0..8] [7]
B_RMBR1_A[0..8] [7]
B_RMBR1_CTM [7]
B_RMBR1_CTM# [7]
B_RMBR1_CFM [7]
B_RMBR1_CFM# [7]
A_RMBR1_CTM [7]
A_RMBR1_CTM# [7]
A_RMBR1_CFM [7]
A_RMBR1_CFM# [7]
A_RMBR1_RQ[0..7] [7]
B_RMBR1_CMD [7,18]
B_RMBR1_SCK [7,18]
A_RMBR1_CMD [7,18]
A_RMBR1_SCK [7,18]
G_C/BE[0..3][9]
G_AD[0..31][9]
GGNT#[9]
GREQ#[9]
GFRAME#[5,9]
GIRDY#[5,9]
GTRDY#[5,9]
GSTOP#[5,9]
GDEVSEL#[5,9]
GPAR[5,9]
B_RMBR1_RQ[0..7] [7]
VCORE [15,26]
+1.5V [9,27,28]
+1.8V [27,28]
+VREFRMBA
+VREFRMBB
VREF_MCH [28]
+HUBREF_A
A_RMBR1_SIN [7]
B_RMBR1_SIN [7]
HLREF_A: 1/2 +1.8V (+-2%)
HDVREF, HAVREF, CCVREF:
2/3 VCORE (+-2%)
HSWNG: 1/3 VCORE (+-2%)
GRCOMP: 10 mils wide
and 0.5" length max.
HSWNG: 1.5" MAX
1.5" MAX
Layout Notice:
GND:22 mils
Spacing:6 mils
Trace width(clock):
14 mils
Spacing:6 mils
Trace width(clock#):
14 mils
Spacing:6 mils
GND:22 mils
+VREFRMBA, +VREFRMBB trace:10mils