Service manual
Schematic Diagrams
B-9
Schematic Diags
DDR Termination
Sheet 8 of 39
DDR Termination
+1.25V +1.25V
+1.25V
+1.25V +1.25V
+1.25V
SDQ_A36
SDQ_A14
SCKE_A0
SCKE_A1
SDQ_A37
SDQ_A15
SDQ_A38
SDQ_A21
SDQ_A20
SDQ_A17
SDQ_A16
SDQ_A11
SBA_A0
SCS_A1#
SWE_A#
SCAS_A#
SRAS_A#
SCKE_B1
SCKE_B0
SMAA_B10
SMAA_B8
SMAA_B1
SBA_B0
SMAA_B12
SMAA_B11
SMAA_B6
SCS_B0#
SDQ_B10
SDQ_B17
SDQ_B11
SDQ_B16
SCAS_B#
SBA_B1
SRAS_B#
SCS_B1#
SWE_B#
SMAA_B0
SDQ_B31
SDQ_B33
SDQ_B28
SDQ_B22
SDQ_B6
SDM_B6
SDQ_B56
SDQ_B51
SDQ_B40
SDQ_B36
SDQ_B37
SDM_B5
SDQ_B38
SDQ_B35
SDQ_A50
SDQS_A6
SDQ_A63
SDQ_A51
SDQ_A55
SDQ_A62
SDM_A6
SDQ_A57
SDQ_A47
SDQ_A42
SDQ_A52
SDQ_A60
SDQ_A54
SDQS_A7
SDQ_A49
SDQ_A58
SDQ_A61
SDQ_A59
SDQ_A46
SDQ_A56
SDQS_A5
SDM_A7
SDQ_A48
SDQ_A53
SDQ_B63
SDQ_B15
SDQ_B27
SDM_B7
SDQS_B5
SDQS_B3
SDQS_B2
SDM_B4
SDQ_B59
SDQ_B50
SDQ_B53
SDQ_B24
SDQ_B3
SDQS_B0
SDQ_B58
SDQ_B60
SDQS_B4
SDQ_B26
SDQ_B49
SDQ_B42
SDQ_B41
SDQ_B4
SDQ_B61
SDQS_B6
SDQ_B23
SDQ_B20
SDQ_B21
SDQ_B2
SDQ_B52
SDM_B3
SDM_B2
SDQ_B34
SDQ_B30
SDQ_B47
SDM_B1
SDQ_B62
SDQ_B13
SDM_B0
SDQ_B0
SDQ_B48
SDQ_B29
SDQ_B25
SDQ_B14
SDQ_B43
SDQ_B32
SDQ_B46
SDQ_B19
SDQS_B1
SDQ_B57
SDQS_B7
SDQ_B5
SDQ_B1
SDQ_B18
SMAA_B2
SDQ_A[0..63]
SDQS_A[0..7]
SBA_A1
SDM_A[0..7]
SMAA_A1
SMAA_A9
SMAA_A11
SMAA_A10
SMAA_A0
SMAA_A12
SMAA_A5
SMAA_A7
SMAA_A3
SMAA_A[0..12]
SDQ_B[0..63]
SDQS_B[0..7]
SDM_B[0..7]
SMAA_B[0..12]
SDQ_B12
SDQ_B7
SMAA_B7
SMAA_B9
SMAA_B3
SMAA_B5
SDM_A4
SCS_A0#
SMAA_A4
SMAA_A6
SMAA_A2
SMAA_A8
SDQ_A10
SDQ_B8
SDQ_B9
SMAA_B4
SDQ_A24
SDM_A5
SDQ_A0
SDQ_A2
SDQS_A3
SDQ_A31
SDQ_A22
SDQ_A45
SDQ_A13
SDQ_A9
SDQ_A27
SDQ_A26
SDQ_A28
SDQ_A12
SDQ_A1
SDM_A0
SDQ_A44
SDQ_A34
SDQ_A35
SDQ_A41
SDM_A2
SDQ_A5
SDQ_A39
SDQS_A4
SDQ_A4
SDQ_A3
SDQS_A0
SDQ_A30
SDQS_A1
SDQ_A6
SDQ_A43
SDQ_A25
SDQ_A23
SDQS_A2
SDQ_A19
SDQ_A32
SDQ_A33
SDQ_A7
SDM_A1
SDQ_A29
SDM_A3
SDQ_A8
SDQ_A18
SDQ_A40
SDQ_B54
SDQ_B55
SDQ_B45
SDQ_B44
SDQ_B39
RN67 8P4R_47(0402)
1
2
3
4 5
6
7
8
C692 0.1U
C757 0.1U
C256
4.7U(0805)
RN156 8P4R_47(0402)
1
2
3
45
6
7
8
C696 0.1U
C292 0.1U
C735
4.7U(0805)
RN66 8P4R_47(0402)
1
2
3
4 5
6
7
8
C698 0.1U
C240 0.1U
+
C704
220U(D)
12
RN68 8P4R_47(0402)
1
2
3
4 5
6
7
8
C699 0.1U
C239 0.1U
C695 0.1U
R196 47(0402) C237 0.1U
C184
4.7U(0805)
C218 0.1U
R546 47(0402)
C234 0.1U
C754 0.1U
C166
4.7U(0805)
RN76 8P4R_56(0402)
1
2
3
45
6
7
8
C221 0.1U
R547 47(0402)
RN133 8P4R_56(0402)
1
2
3
4 5
6
7
8
C230 0.1U
C220 0.1U
C229 0.1U
C216 0.1U
R548 47(0402)
RN136 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN152 8P4R_56(0402)
1
2
3
45
6
7
8
R195 47(0402)
RN69 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN47 8P4R_56(0402)
1
2
3
4 5
6
7
8
C232 0.1U
C212 0.1U
R208 47(0402)
RN157 8P4R_56(0402)
1
2
3
45
6
7
8
RN46 8P4R_56(0402)
1
2
3
4 5
6
7
8
C288 0.1U
C213 0.1U
R506 47(0402)
RN158 8P4R_56(0402)
1
2
3
45
6
7
8
RN137 8P4R_56(0402)
1
2
3
4 5
6
7
8
C291 0.1U
C211 0.1U
RN53 8P4R_56(0402)
1
2
3
45
6
7
8
RN75 8P4R_56(0402)
1
2
3
45
6
7
8
RN52 8P4R_56(0402)
1
2
3
45
6
7
8
C756 0.1U
C223 0.1U
RN58 8P4R_56(0402)
1
2
3
45
6
7
8
RN64 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN140 8P4R_56(0402)
1
2
3
4 5
6
7
8
C755 0.1U
RN135 8P4R_47(0402)
1
2
3
4 5
6
7
8
C687 0.1U
RN161 8P4R_56(0402)
1
2
3
45
6
7
8
RN139 8P4R_56(0402)
1
2
3
4 5
6
7
8
C295 0.1U
C689 0.1U
RN134 8P4R_47(0402)
1
2
3
4 5
6
7
8
RN63 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN51 8P4R_56(0402)
1
2
3
45
6
7
8
C238 0.1U
C697 0.1U
RN54 8P4R_47(0402)
1
2
3
45
6
7
8
RN72 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN59 8P4R_56(0402)
1
2
3
45
6
7
8
C293 0.1U
C693 0.1U
R175 47(0402)
RN130 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN153 8P4R_56(0402)
1
2
3
45
6
7
8
RN131 8P4R_56(0402)
1
2
3
4 5
6
7
8
C694 0.1U
C287 0.1U
C217 0.1U
R507 47(0402)
RN70 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN129 8P4R_56(0402)
1
2
3
4 5
6
7
8
C236 0.1U
RN154 8P4R_56(0402)
1
2
3
45
6
7
8
RN57 8P4R_56(0402)
1
2
3
45
6
7
8
C235 0.1U
RN138 8P4R_56(0402)
1
2
3
4 5
6
7
8
C222 0.1U
RN56 8P4R_56(0402)
1
2
3
45
6
7
8
RN151 8P4R_56(0402)
1
2
3
45
6
7
8
C233 0.1U
C219 0.1U
R177 47(0402)
RN73 8P4R_56(0402)
1
2
3
4 5
6
7
8
RN132 8P4R_56(0402)
1
2
3
4 5
6
7
8
C290 0.1U
C215 0.1U
RN55 8P4R_47(0402)
1
2
3
45
6
7
8
RN60 8P4R_56(0402)
1
2
3
45
6
7
8
RN155 8P4R_56(0402)
1
2
3
45
6
7
8
C231 0.1U
C691 0.1U
R178 47(0402)
C690 0.1U
RN159 8P4R_56(0402)
1
2
3
45
6
7
8
C294 0.1U
RN160 8P4R_56(0402)
1
2
3
45
6
7
8
R176 47(0402)
RN65 8P4R_56(0402)
1
2
3
4 5
6
7
8
C688 0.1U
C753 0.1U
+
C228
220U(D)
12
RN71 8P4R_56(0402)
1
2
3
4 5
6
7
8
C686 0.1U
C289 0.1U
SCKE_A0[7,9]
SCKE_A1[7,9]
SRAS_A#[7,9]
SWE_A#[7,9]
SCAS_A#[7,9]
SCKE_B0[7,9]
SCKE_B1[7,9]
SCAS_B#[7,9]
SWE_B#[7,9]
SRAS_B#[7,9]
SDQ_A[0..63] [7,9]
SDQS_A[0..7] [7,9]
SCS_B1#[7,9]
SDM_A[0..7] [7,9]
SMAA_A[0..12] [7,9]
SDQ_B[0..63] [7,9]
SDQS_B[0..7] [7,9]
SDM_B[0..7] [7,9]
SMAA_B[0..12] [7,9]
SBA_B1[7,9]
+1.25V [35]
SCS_A0#[7,9]
SBA_A0[7,9]
SBA_A1[7,9]
SCS_A1#[7,9]
SCS_B0#[7,9]
SBA_B0[7,9]
Place close to SO-DIMM0 Place close to SO-DIMM1