Service manual
Schematic Diagrams
B - 8 945GMS 4/5
B.Schematic Diagrams
945GMS 4/5
Sheet 7 of 34
945GMS 4/5
VCC GMCH rail
DRAM power supply
+
C496
220u/4V_V
VCCSM_0
AB33
VCCSM_1
AM32
VCCSM_2
AN29
VCCSM_3
AM29
VCCSM_4
AL29
VCCSM_5
AK29
VCCSM_6
AJ29
VCCSM_7
AH29
VCCSM_8
AG29
VCCSM_9
AF29
VCC SM_10
AE29
VCC SM_11
AN24
VCC SM_12
AM24
VCC SM_13
AL24
VCC SM_14
AK24
VCC SM_15
AJ24
VCC SM_16
AH24
VCC SM_17
AG24
VCC SM_18
AF24
VCC SM_19
AE24
VCC SM_20
AN18
VCC SM_21
AN16
VCC SM_22
AM16
VCC SM_23
AL16
VCC SM_24
AK16
VCC SM_25
AJ16
VCC SM_26
AN13
VCC SM_27
AM13
VCC SM_28
AL13
VCC SM_29
AK13
VCC SM_30
AJ13
VCC SM_31
AH13
VCC SM_32
AG13
VCC SM_33
AF13
VCC SM_34
AE13
VCC SM_50
AN10
VCC SM_36
AM10
VCC SM_37
AL10
VCC SM_38
AK10
VCC SM_51
AJ10
VCC SM_40
AH10
VCC SM_41
AG10
VCC SM_42
AF10
VCC SM_43
AE10
VCC SM_44
AN7
VCC SM_45
AM7
VCC SM_46
AL7
VCC SM_47
AK7
VCC SM_48
AJ7
VCC SM_49
AH7
VCC SM_35
AN4
VCC SM_39
AH1
NC1
Y10
NC2
W33
NC3
AM33
NC4
AL33
NC5
C33
NC6
B33
NC7
AN32
NC8
A32
NC9
W10
NC10
AN31
NC11
W28
NC12
V27
NC13
W25
NC14
V24
NC15
U24
NC16
W29
NC17
V10
NC18
J24
NC19
H24
NC20
W32
NC21
G24
NC22
F24
NC23
E24
NC24
D24
NC25
K33
NC26
U10
NC27
A31
NC28
E21
NC29
C23
NC30
AN19
NC31
AM19
NC32
AL19
NC33
AK19
NC34
AJ19
NC35
AH19
NC36
AN3
NC37
Y9
NC38
J19
NC39
H19
NC40
G19
NC41
F19
NC42
E19
NC43
D19
NC44
C19
NC45
B19
NC46
A19
NC47
Y8
NC48
K18
NC49
G16
NC50
F16
NC51
E16
NC52
D16
NC53
C16
NC54
B16
NC55
AN2
NC56
A16
NC57
Y7
NC58
AM4
NC59
AF4
NC60
AD4
NC61
AL4
NC62
AK4
NC63
W31
NC64
AJ4
NC65
AH4
NC66
AG4
NC67
AE4
NC68
AM1
NC69
W30
NC70
Y6
NC71
AL1
NC72
Y5
U30H
945GMS
VCCSM_LF1
Intel «Øij1u_04x1, 4.7u_06x2, 330u_Cx3
VCCSM_LF2
Z0775
Z0774
Z0701
Z0773
+
C254
*220u/4V_V
Z0702
Z0703
Z0704
C236
1u/6.3V_X7R
Z0708
C495
10u_08
C459
10u_08
Z0706
Z0705
Z0707
C193
1u/6.3V_X7R
+
C154
220u/4V_V
C221
1u/6.3V_X7R
Z0716
Z0712
Z0709
Z0711
Z0715
Z0714
Z0710
Z0713
VCC_NCTF1
T25
VCC_NCTF2
R25
VCC_NCTF3
P25
VCC_NCTF4
N25
VCC_NCTF5
M25
VCC_NCTF6
P24
VCC_NCTF7
N24
VCC_NCTF8
M24
VCC_NCTF9
Y22
VCC_NCTF10
W22
VCC_NCTF11
V22
VCC_NCTF12
U22
VCC_NCTF13
T22
VCC_NCTF14
R22
VCC_NCTF15
P22
VCC_NCTF16
N22
VCC_NCTF17
M22
VCC_NCTF18
Y21
VCC_NCTF19
W21
VCC_NCTF20
V21
VCC_NCTF21
U21
VCC_NCTF22
T21
VCC_NCTF23
R21
VCC_NCTF24
P21
VCC_NCTF25
N21
VCC_NCTF26
M21
VCC_NCTF27
Y20
VCC_NCTF28
W20
VCC_NCTF29
V20
VCC_NCTF30
U20
VCC_NCTF31
T20
VCC_NCTF32
R20
VCC_NCTF33
P20
VCC_NCTF34
N20
VCC_NCTF35
M20
VCC_NCTF36
Y19
VCC_NCTF37
P19
VCC_NCTF38
N19
VCC_NCTF39
M19
VCC_NCTF40
Y18
VCC_NCTF41
P18
VCC_NCTF42
N18
VCC_NCTF43
M18
VCC_NCTF44
Y17
VCC_NCTF45
P17
VCC_NCTF46
N17
VCC_NCTF47
M17
VCC_NCTF48
Y16
VCC_NCTF49
P16
VCC_NCTF50
N16
VCC_NCTF51
M16
VCC_NCTF52
Y15
VCC_NCTF53
P15
VCC_NCTF54
N15
VCC_NCTF55
M15
VCC_NCTF56
Y14
VCC_NCTF57
W14
VCC_NCTF58
V14
VCC_NCTF59
U14
VCC_NCTF60
T14
VCC_NCTF61
R14
VCC_NCTF62
P14
VCC_NCTF63
N14
VCC_NCTF64
M14
VTT_NC TF1
T10
VTT_NC TF2
R10
VTT_NC TF3
P10
VTT_NC TF4
N10
VTT_NC TF5
L10
VTT_NC TF6
D1
VCCAUX_NCTF1
AD25
VCCAUX_NCTF2
AC25
VCCAUX_NCTF3
AB25
VCCAUX_NCTF4
AD24
VCCAUX_NCTF5
AC24
VCCAUX_NCTF6
AD22
VCCAUX_NCTF7
AD21
VCCAUX_NCTF8
AD20
VCCAUX_NCTF9
AD19
VCCAUX_NCTF10
AD18
VCCAUX_NCTF11
AD17
VCCAUX_NCTF12
AD16
VCCAUX_NCTF13
AD15
VCCAUX_NCTF14
AD14
VCCAUX_NCTF15
K14
VCCAUX_NCTF16
AD13
VCCAUX_NCTF17
Y13
VCCAUX_NCTF18
W13
VCCAUX_NCTF19
V13
VCCAUX_NCTF20
U13
VCCAUX_NCTF21
T13
VCCAUX_NCTF22
R13
VCCAUX_NCTF23
P13
VCCAUX_NCTF24
N13
VCCAUX_NCTF25
M13
VCCAUX_NCTF26
AD12
VCCAUX_NCTF27
Y12
VCCAUX_NCTF28
W12
VCCAUX_NCTF29
V12
VCCAUX_NCTF30
U12
VCCAUX_NCTF31
T12
VCCAUX_NCTF32
R12
VCCAUX_NCTF33
P12
VCCAUX_NCTF34
N12
VCCAUX_NCTF35
M12
VCCAUX_NCTF36
AD11
VCCAUX_NCTF37
AD10
VCCAUX_NCTF38
K10
VSS_NCTF1
AN33
VSS_NCTF2
AA25
VSS_NCTF3
V25
VSS_NCTF4
U25
VSS_NCTF5
AA22
VSS_NCTF6
AA21
VSS_NCTF7
AA20
VSS_NCTF8
AA19
VSS_NCTF9
AA18
VSS_NCTF10
AA17
VSS_NCTF11
AA16
VSS_NCTF12
AA15
VSS_NCTF13
AA14
VSS_NCTF14
AA13
VSS_NCTF15
A4
VSS_NCTF16
A33
VSS_NCTF17
B2
VSS_NCTF18
AN1
VSS_NCTF19
C1
U30E
945GMS
C166
0.1u_X7R_04
C173
0.1u_X7R_04
C237
1u/6.3V_X7R
C241
1u/6.3V_X7R
C188
0.1u_X7R_0
4
C491
10u_08
Z0724
Z0720
Z0722
Z0718
Z0717
Z0719
Z0723
Z0721
VSS_1
AH33
VSS_2
Y33
VSS_3
V33
VSS_4
R33
VSS_5
G33
VSS_6
AK32
VSS_7
AG32
VSS_8
AE32
VSS_9
AC32
VSS_10
AA32
VSS_11
U32
VSS_12
H32
VSS_13
E32
VSS_14
C32
VSS_15
AM31
VSS_16
AJ31
VSS_17
AA31
VSS_18
U31
VSS_19
T31
VSS_20
R31
VSS_21
P31
VSS_22
N31
VSS_23
M31
VSS_24
J31
VSS_25
F31
VSS_26
AL30
VSS_27
AG30
VSS_28
AE30
VSS_29
AC30
VSS_30
AA30
VSS_31
Y30
VSS_32
V30
VSS_33
U30
VSS_34
G30
VSS_35
E30
VSS_36
B30
VSS_37
AA29
VSS_38
U29
VSS_39
R29
VSS_40
P29
VSS_41
N29
VSS_42
M29
VSS_43
H29
VSS_44
E29
VSS_45
B29
VSS_46
AK28
VSS_47
AH28
VSS_48
AE28
VSS_49
AA28
VSS_50
U28
VSS_51
T28
VSS_52
J28
VSS_53
D28
VSS_54
AM27
VSS_55
AF27
VSS_56
AB27
VSS_57
AA27
VSS_58
Y27
VSS_59
U27
VSS_60
T27
VSS_61
R27
VSS_62
P27
VSS_63
N27
VSS_64
M27
VSS_65
G27
VSS_66
E27
VSS_67
C27
VSS_68
B27
VSS_69
AL26
VSS_70
AH26
VSS_71
W26
VSS_72
U26
VSS_73
AN25
VSS_74
AK25
VSS_75
AG25
VSS_76
AE25
VSS_77
J25
VSS_78
G25
VSS_79
A25
VSS_80
H23
VSS_81
F23
VSS_82
B23
VSS_83
AM22
VSS_84
AJ22
VSS_85
AF22
VSS_86
G22
VSS_87
E22
VSS_88
J21
VSS_89
H21
VSS_90
F21
VSS_91
AM20
VSS_92
AK20
VSS_93
AH20
VSS_94
AF20
VSS_95
D20
VSS_96
W19
VSS_97
R19
VSS_98
AM18
VSS_99
AH18
VSS_100
AF18
VSS_101
U18
VSS_102
H18
VSS_103
D18
VSS_104
AK17
VSS_105
V17
VSS_106
T17
VSS_107
F17
VSS_108
B17
VSS_109
AH16
VSS_110
U16
VSS_111
J16
VSS_112
AL15
VSS_113
AG15
VSS_114
W15
VSS_115
R15
VSS_116
F15
VSS_117
D15
VSS_118
AM14
VSS_119
AH14
VSS_120
AE14
VSS_121
H14
VSS_122
B14
VSS_123
F13
VSS_124
D13
VSS_125
AL12
VSS_126
AG12
VSS_127
H12
VSS_128
B12
VSS_129
AN11
VSS_130
AJ11
VSS_131
AE11
VSS_132
AM9
VSS_133
AJ9
VSS_134
AB9
VSS_135
W9
VSS_136
R9
VSS_137
M9
VSS_138
J9
VSS_139
F9
VSS_140
C9
VSS_141
A9
VSS_142
AL8
VSS_143
AG8
VSS_144
AE8
VSS_145
U8
VSS_146
AA7
VSS_147
V7
VSS_148
R7
VSS_149
N7
VSS_150
H7
VSS_151
E7
VSS_152
B7
VSS_153
AL6
VSS_154
AG6
VSS_155
AE6
VSS_156
AB6
VSS_157
W6
VSS_158
T6
VSS_159
M6
VSS_160
K6
VSS_161
AN5
VSS_162
AJ5
VSS_163
B5
VSS_164
AA4
VSS_165
V4
VSS_166
R4
VSS_167
N4
VSS_168
K4
VSS_169
H4
VSS_170
E4
VSS_171
AL3
VSS_172
AD3
VSS_173
W3
VSS_174
T3
VSS_175
B3
VSS_176
AK2
VSS_177
AH2
VSS_178
AF2
VSS_179
AB2
VSS_180
M2
VSS_181
K2
VSS_182
H2
VSS_183
F2
VSS_184
V1
VSS_185
R1
U30G
945GMS
Z0728
Z0731
Z0730
Z0732
C464
10u_08
Z0726
Z0725
Z0727
C172
0.1u_X7R_04
Z0729
+1. 8V
+1.05VS
+1. 5VS_AU X
+1.05VS
+1. 5VS_AU X 8
+1.5VS 3,5,8,15,17,25,31
+1.8V 5,9,10,11,30
+1.05VS 2,3,4,8,9,14,17,31
Z0736
Z0740
Z0735
Z0739
Z0738
Z0734
Z0733
Z0737
Z0747
Z0746
Z0748
Z0744
Z0743
Z0741
Z0742
Z0745
Z0752
Z0751
Z0755
Z0754
Z0756
Z0749
Z0750
Z0753
Z0764
Z0760
Z0758
Z0762
Z0757
Z0759
Z0763
Z0761
Z0772
Z0768
Z0771
Z0770
Z0766
Z0765
Z0767
Z0769
Intel «Øij2x270u, 2x10u, 3x0.1u