Ddr Termination - AMD D900K Service Manual

DDR TERMINATION

MD[0..127]
(4,5) MD[0..127] (4,5) MAB[0..13]
DQM[0..17]
(4,5) DQM[0..17]
DQS[0..17]
(4,5) DQS[0..17]
MAA[0..13]
(4,5) MAA[0..13]
+1.3VTT
RN67 8P4R-47(0402)
DQS7
8 1 C191 0.1UF_X7R
MD59
7 2
MD58
6 3
MD57
5 4
MD61
RN53 1 8 8P4R-47(0402) C192 0.1UF_X7R
DQM7
2 7
MD62
3 6
MD63
4 5
DQS6
RN66 8 1 8P4R-47(0402) C742 0.1UF_X7R
MD50
7 2
MD51
6 3
MD56
5 4
DQM6
RN52 1 8 8P4R-47(0402) C737 0.1UF_X7R
MD54
2 7
MD55
3 6
MD60
4 5
DQS5
RN65 8 1 8P4R-47(0402) C741
0.1UF_X7R
MD42
7 2
MD49
6 3
MD48
5 4
MD46
RN51 1 8 8P4R-47(0402) C177
0.1UF_X7R
MD47
2 7
MD52
3 6
MD53
4 5
MAA13
RN62 8 1 8P4R-47(0402) C734
0.1UF_X7R
MEMCSA0
7 2
MEMWEA#
6 3
MEMBANKA0
5 4
DQS4
RN63 8 1 8P4R-47(0402) C176
0.1UF_X7R
MD32
7 2
MD34
6 3
MD33
5 4
MD35
RN64 8 1 8P4R-47(0402) C735
0.1UF_X7R
MD40
7 2
MD41
6 3
MD43
5 4
MD39
RN50 1 8 8P4R-47(0402) C194
0.1UF_X7R
MD44
2 7
MD45
3 6
DQM5
4 5
MD36
RN49 1 8 8P4R-47(0402) C733
0.1UF_X7R
MD37
2 7
DQM4
3 6
MD38
4 5
MAB11
RN45 1 8 8P4R-47(0402) C185
0.1UF_X7R
MAB9
2 7
MAB12
3 6
4 5
MD29
RN44 1 8 8P4R-47(0402) C193
0.1UF_X7R
DQM3
2 7
MD30
3 6
MD31
4 5
DQM2
RN43 1 8 8P4R-47(0402) C736
0.1UF_X7R
MD22
2 7
MD23
3 6
MD28
4 5
RN59 8 1 8P4R-47(0402) C739 0.1UF_X7R
MAB7
7 2
MAB8
6 3
MAA9
5 4
MD25
RN58 8 1 8P4R-47(0402) C182 0.1UF_X7R
MD27
7 2
MD26
6 3
DQS3
5 4
MD82
RN57 8 1 8P4R-47(0402) C738 0.1UF_X7R
DQS11
7 2
MD83
6 3
MD87
5 4
MD10
RN56 8 1 8P4R-47(0402) C164 0.1UF_X7R
MD11
7 2
MD81
6 3
MD80
5 4
MD14
RN42 1 8 8P4R-47(0402) C165 0.1UF_X7R
MD15
2 7
MD20
3 6
MD21
4 5
MD3
RN55 8 1 8P4R-47(0402) C740 0.1UF_X7R
MD8
7 2
DQS1
6 3
MD9
5 4
MD4
RN40 1 8 8P4R-47(0402) C184 0.1UF_X7R
MD5
2 7
DQM0
3 6
MD6
4 5
MD7
RN41 1 8 8P4R-47(0402) C183 0.1UF_X7R
MD12
2 7
MD13
3 6
DQM1
4 5
MD0
RN54 8 1 8P4R-47(0402) C731 0.1UF_X7R
MD1
7 2
MD2
6 3
DQS0
5 4
MAA7
RN60 8 1 8P4R-47(0402) C186 0.1UF_X7R
7 2
MAB5
6 3
MEMRASB#
5 4
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MAB[0..13]
DDR Termination
+1.3VTT
(3,4,34) +1.3VTT
+1.3VTT
MAA6
RN47 1 8 8P4R-47(0402) C732 0.1UF_X7R
MAA4
2 7
MAA2
3 6
MAA0
4 5
MEMBANKA1
RN48 1 8 8P4R-47(0402) C190 0.1UF_X7R
MEMRASA# +2.6VDIMM
2 7
MEMCASA#
3 6
MEMCSA1
4 5
MAA1
RN61 8 1 8P4R-47(0402) C189 0.1UF_X7R C116
MAA10
7 2
MEMCSB1
6 3 C120
MEMCASB#
5 4
MEMCKEB0
RN46 1 8 8P4R-47(0402) C188 0.1UF_X7R C114
MEMCKEA0
2 7
MAA11
3 6
MAA8
4 5
MD91
RN9 1 8 8P4R-47(0402) C187
0.1UF_X7R
MD90
2 7
MD93
3 6
MD92
4 5
MD19
RN21 8 1 8P4R-47(0402) C773
0.1UF_X7R
MD18
7 2
MD17
6 3
DQS2
5 4
DQM10
RN11 1 8 8P4R-47(0402) C175 C117
0.1UF_X7R
MD79
2 7
MD77
3 6 C115
MD76
4 5
MD73
RN23 8 1 8P4R-47(0402) C167 C837
0.1UF_X7R
MD72
7 2
DQM9
6 3
MD67
5 4
MD66
RN24 8 1 8P4R-47(0402)
DQS9
7 2
MD65
6 3
MD64
5 4
MD84
RN10 1 8 8P4R-47(0402)
MD85
2 7
DQM11
3 6
MD86
4 5
MD71
RN12 1 8 8P4R-47(0402)
MD70 MEMCSA0
2 7
(4,5) MEMCSA0
MD69 MEMCSA1
3 6
(4,5) MEMCSA1
MD68 MEMCSB0
4 5
(4,5) MEMCSB0
DQS10 MEMCSB1
RN22 8 1 8P4R-47(0402)
(4,5) MEMCSB1
MD78
7 2
MD74 MEMWEA#
6 3
(4,5) MEMWEA#
MD75 MEMCASA#
5 4
(4,5) MEMCASA#
MEMRASA#
(4,5) MEMRASA#
MEMWEB#
(4,5) MEMWEB#
MEMCASB#
(4,5) MEMCASB#
MEMRASB#
(4,5) MEMRASB#
LAYOUT: Place a cap every
MEMCKEA0
(4,5) MEMCKEA0
1 inch on VTT trace between
MEMCKEB0
Clawhammer and DDR.
(4,5) MEMCKEB0
MEMBANKA0
(4,5) MEMBANKA0
MEMBANKA1
(4,5) MEMBANKA1
MEMBANKB0
(4,5) MEMBANKB0
MEMBANKB1
(4,5) MEMBANKB1
+1.3VTT +2.6VDIMM
+1.3VTT +2.6VDIMM
C719 0.1UF_X7R C717 0.1UF_X7R
C718 0.1UF_X7R C716 0.1UF_X7R
C715 0.1UF_X7R C714 0.1UF_X7R
C713 0.1UF_X7R C712 0.1UF_X7R
C711 0.1UF_X7R C710 0.1UF_X7R
C709 0.1UF_X7R C708 0.1UF_X7R
C707 0.1UF_X7R C166 0.1UF_X7R
C174 0.1UF_X7R C168 0.1UF_X7R
C169 0.1UF_X7R C170 0.1UF_X7R
C171 0.1UF_X7R C172 0.1UF_X7R
+1.3VTT
MD127
RN1 1 8 8P4R-47(0402) C173 0.1UF_X7R
MD126
2 7
MD125
3 6
MD124
4 5
DQS16
RN13 8 1 8P4R-47(0402) C180 0.1UF_X7R
MD120
7 2
MD122
6 3
MD121
5 4
MD119
RN2 1 8 8P4R-47(0402) C181 0.1UF_X7R
MD117
2 7
MD118
3 6
MD113
0.1UF_X7R 4 5
MD123
RN14 8 1 8P4R-47(0402)
DQM16
0.1UF_X7R 7 2
MD114
6 3
MD115
0.1UF_X7R 5 4
DQM13
RN6 1 8 8P4R-47(0402)
MD102
2 7
DQS13
3 6
MD97
4 5
MD105
RN16 8 1 8P4R-47(0402) C827 0.1UF_X7R
MD107
7 2
DQS14
6 3
MD110
5 4
MD106
RN3 1 8 8P4R-47(0402) C583 0.1UF_X7R
MD111
2 7
DQM14
3 6
MD108
4 5
0.1UF_X7R
DQM15
RN15 8 1 8P4R-47(0402) C815 0.1UF_X7R
DQS15
0.1UF_X7R 7 2
MD116
6 3
MD112
5 4
0.1UF_X7R
MD98
RN5 1 8 8P4R-47(0402) C764 0.1UF_X7R
MD96
2 7
MD100
3 6
MD101
4 5
MAB2
RN17 8 1 8P4R-47(0402)
MAB0
7 2
MAA5
6 3
MAA3
5 4
MD109
RN4 1 8 8P4R-47(0402)
MD104
2 7
MD103
3 6
MD99
4 5
MEMWEB#
RN8 1 8 8P4R-47(0402)
MEMBANKB0
2 7
MAB1
3 6
MAB3
4 5
MD89
RN20 8 1 8P4R-47(0402)
MD88
7 2
MD24
6 3
MD16
5 4
MD95
RN19 8 1 8P4R-47(0402)
MD94
7 2
DQM12
6 3
DQS12
5 4
MEMBANKB1
RN7 1 8 8P4R-47(0402)
MAB10
2 7
MAB13
3 6
MEMCSB0
4 5
MAB6
RN18 8 1 8P4R-47(0402)
MAB4
7 2
6 3
+1.3VTT
MAA12
5 4
MEMCLKB2+ MEMCLKB2-
R73 120_1%
(4,5) MEMCLKB2+
MEMCLKB1+ MEMCLKB1-
120_1%
R69
(4,5) MEMCLKB1+
MEMCLKA2+ MEMCLKA2-
R75 120_1%
(4,5) MEMCLKA2+
MEMCLKA1+ MEMCLKA1-
120_1%
R74
(4,5) MEMCLKA1+
+2.6VDIMM
(3,4,5,7,34) +2.6VDIMM
Schematic Diagrams
MAA0
C938 22P
MAA1
C939 22P
MAA2
C940 22P
MAA3
C941 22P
MAA4
C942 22P
MAA5
C943 22P
MAA6
C944 22P
MAA7
C945 22P
MAA8
C946 22P
MAA9
C947 22P
MAA10
C948 22P
MAA11
C949 22P
MAA12
C950 22P
MAA13
C951 22P
MAB0
C952 22P
MAB1
C953 22P
MAB2
C954 22P
MAB3
C955 22P
MAB4
C956 22P
MAB5
C957 22P
MAB6
C958
22P
MAB7
C959 22P
MAB8
C960 22P
MAB9
C961 22P
MAB10
C962
22P
MAB11
C963 22P
MAB12
C964 22P
MAB13
C965 22P
Sheet 6 of 40
MEMCSA0
C966 22P
MEMCSA1
C967 22P
MEMCSB0
C968 22P DDR
MEMCSB1
C969
22P
MEMWEA#
C970 22P
MEMCASA# TERMINATION
C971 22P
MEMRASA#
C972
22P
MEMWEB#
C973 22P
MEMCASB#
C974 22P
MEMRASB#
C975 22P
MEMCKEA0
C976 22P
MEMCKEB0
C977 22P
MEMBANKA0
C978
22P
MEMBANKA1
C979 22P
MEMBANKB0
C980 22P
MEMBANKB1
C981 22P
MEMCLKB2-(4,5)
MEMCLKB1-(4,5)
MEMCLKA2-(4,5)
MEMCLKA1-(4,5)
DDR TERMINATION B - 7