Service manual
Schematic Diagrams
B-9
Schematic Diags
DDR Termination
Sheet 8 of 42
DDR Termination
+1.25V +1.25V
+1.25V +1.25V
+1.25V +1.25V
SDQ_A37
SDQ_A14
SCKE_A0
SCKE_A1
SDQ_A36
SDQ_A15
SDQ_A38
SDQ_A20
SDQ_A21
SDQ_A11
SDQ_A10
SDQ_A17
SCS_A0#
SBA_A1
SWE_A#
SCAS_A#
SRAS_A#
SCKE_B1
SCKE_B0
SMAA_B10
SMAA_B6
SMAA_B11
SMAA_B1
SMAA_B2
SMAA_B12
SMAA_B4
SMAA_B8
SMAA_B0
SDQ_B10
SDQ_B17
SDQ_B11
SDQ_B16
SCAS_B#
SBA_B1
SRAS_B#
SBA_B0
SWE_B#
SCS_B1#
SDM_B3
SDQS_B4
SDM_B2
SDQ_B23
SDQ_B4
SDQ_B60
SDQ_B55
SDQS_B7
SDQS_B6
SDQ_B40
SDM_B4
SDQ_B38
SDQ_B39
SDQ_B44
SDQ_B37
SDQ_B35SDQ_A35
SDQ_A40
SDQ_A51
SDQ_A56
SDQ_A63
SDQ_A50
SDQ_A55
SDQS_A2
SDQ_A8
SDQ_A62
SDQS_A4
SDQ_A54
SDQ_A59
SDQ_A13
SDQ_A1
SDQ_A19
SDQ_A2
SDQ_A0
SDQ_A47
SDQ_A45
SDQ_A41
SDQ_A34
SDQ_A23
SDQ_A48
SDQ_A26
SDQ_A29
SDQS_A0
SDQS_A5
SDQ_A53
SDQ_A5
SDM_A7
SDQS_A1
SDM_A6
SDQ_A3
SDQ_A58
SDQ_A6
SDQ_A42
SDQ_A57
SDQ_A24
SDQ_A61
SDQ_A32
SDQS_A7
SDQ_A33
SDQ_A46
SDQ_A4
SDQS_A6
SDQ_A30
SDQS_A3
SDQ_A49
SDQ_A60
SDQ_A7
SDQ_A44
SDQ_A22
SDM_A4
SDQ_A43
SDQ_A52
SDQ_A27
SDQ_A9
SDQ_A18
SDQ_B61
SDQ_B20
SDQ_B27
SDQ_B62
SDQS_B5
SDQS_B3
SDQS_B2
SDQ_B36
SDQ_B59
SDQ_B50
SDQ_B46
SDQ_B24
SDQS_B1
SDQ_B2
SDQ_B58
SDM_B6
SDQ_B34
SDQ_B26
SDQ_B48
SDQ_B42
SDQ_B41
SDQ_B6
SDQ_B63
SDQ_B51
SDQ_B22
SDQ_B15
SDQ_B14
SDQ_B3
SDQ_B47
SDQ_B30
SDQ_B28
SDQ_B45
SDQ_B32
SDQ_B29
SDQ_B53
SDQ_B7
SDM_B7
SDQ_B54
SDQ_B12
SDQ_B5
SDQ_B1
SDQ_B49
SDQ_B31
SDQ_B25
SDQ_B21
SDQ_B43
SDQ_B33
SDQ_B52
SDQ_B19
SDQS_B0
SDQ_B57
SDQ_B56
SDM_B0
SDQ_B0
SDM_B5
SDQ_B18
SCS_B0#
SDM_A5
SDM_A1
SDM_A2
SDM_A3
SDQ_A[0..63]
SDQS_A[0..7]
SBA_A0
SDM_A[0..7]
SMAA_A1
SMAA_A0
SMAA_A11
SMAA_A5
SMAA_A3
SMAA_A12
SMAA_A7
SMAA_A9
SMAA_A10
SMAA_A[0..12]
SDQ_B[0..63]
SDQS_B[0..7]
SDM_B[0..7]
SMAA_B[0..12]
SDQ_B13
SDM_B1
SDQ_A31
SDQ_A28
SMAA_B7
SMAA_B9
SMAA_B3
SMAA_B5
SDQ_A39
SCS_A1#
SDM_A0
SDQ_A12
SMAA_A4
SMAA_A6
SMAA_A2
SMAA_A8
SDQ_A25
SDQ_A16
SDQ_B9
SDQ_B8
RN56 8P4R_56
1
2
3
4 5
6
7
8
RN46 8P4R_56
1
2
3
4 5
6
7
8
RN58 8P4R_56
1
2
3
4 5
6
7
8
RN121 8P4R_56
1
2
3
45
6
7
8
RN119 8P4R_56
1
2
3
45
6
7
8
RN97 8P4R_56
1
2
3
45
6
7
8
RN40 8P4R_56
1
2
3
4 5
6
7
8
RN64 8P4R_56
1
2
3
4 5
6
7
8
RN62 8P4R_56
1
2
3
4 5
6
7
8
RN127 8P4R_56
1
2
3
45
6
7
8
RN45 8P4R_56
1
2
3
4 5
6
7
8
RN95 8P4R_56
1
2
3
45
6
7
8
RN102 8P4R_56
1
2
3
45
6
7
8
RN99 8P4R_56
1
2
3
45
6
7
8
RN60 8P4R_56
1
2
3
4 5
6
7
8
RN38 8P4R_56
1
2
3
4 5
6
7
8
RN123 8P4R_56
1
2
3
45
6
7
8
RN106 8P4R_56
1
2
3
45
6
7
8
RN116 8P4R_47
1
2
3
45
6
7
8
RN54 8P4R_47
1
2
3
4 5
6
7
8
RN52 8P4R_47
1
2
3
4 5
6
7
8
RN42 8P4R_56
1
2
3
4 5
6
7
8
RN48 8P4R_47
1
2
3
4 5
6
7
8
R604 47
R612 47
R281 47
R635 47
R632 47
R631 47
R310 47
RN117 8P4R_47
1
2
3
4 5
6
7
8
RN51 8P4R_47
1
2
3
45
6
7
8
RN41 8P4R_56
1
2
3
45
6
7
8
RN59 8P4R_56
1
2
3
45
6
7
8
RN100 8P4R_56
1
2
3
4 5
6
7
8
R636 47
R301 47
RN53 8P4R_47
1
2
3
45
6
7
8
RN124 8P4R_56
1
2
3
4 5
6
7
8
RN107 8P4R_47
1
2
3
4 5
6
7
8
R280 47
R268 47
R605 47
C356 0.1U
C364 0.1U
C842 0.1U
C306 0.1U
C312 0.1U
C343 0.1U
C345 0.1U
C717 0.1U
C707 0.1U
C214 0.1U
C293 0.1U
C785 0.1U
C772 0.1U
C758 0.1U
C737 0.1U
C250 0.1U
C267 0.1U
C284 0.1U
C800 0.1U
C836 0.1U
C825 0.1U
C816 0.1U
C231 0.1U
RN103 8P4R_56
1
2
3
45
6
7
8
C811 0.1U
C375 0.1U
C843 0.1U
RN120 8P4R_56
1
2
3
4 5
6
7
8
RN122 8P4R_56
1
2
3
4 5
6
7
8
RN57 8P4R_56
1
2
3
45
6
7
8
RN55 8P4R_56
1
2
3
45
6
7
8
RN126 8P4R_56
1
2
3
4 5
6
7
8
RN128 8P4R_56
1
2
3
4 5
6
7
8
RN63 8P4R_56
1
2
3
45
6
7
8
RN61 8P4R_56
1
2
3
45
6
7
8
RN96 8P4R_56
1
2
3
4 5
6
7
8
RN98 8P4R_56
1
2
3
4 5
6
7
8
RN44 8P4R_56
1
2
3
45
6
7
8
RN39 8P4R_56
1
2
3
45
6
7
8
RN101 8P4R_56
1
2
3
4 5
6
7
8
C213 0.1U
RN37 8P4R_56
1
2
3
45
6
7
8
RN47 8P4R_56
1
2
3
45
6
7
8
C282 0.1U
C342 0.1U
C249 0.1U
C230 0.1U
C341 0.1U
C305 0.1U
C291 0.1U
C750 0.1U
C840 0.1U
C853 0.1U
C362 0.1U
C348 0.1U
C248 0.1U
C363 0.1U
C804 0.1U
C829 0.1U
C311 0.1U
C300 0.1U
C283 0.1U
C229 0.1U
C848 0.1U
C374 0.1U
C344 0.1U
C299 0.1U
+
C700
220U(D)
12
RN125 8P4R_56
1
2
3
45
6
7
8
C822 0.1U
+
C858
220U(D)
12
C301
4.7U(0805)
C349
4.7U(0805)
C292
4.7U(0805)
C327
4.7U(0805)
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]
+2.5V [4,7,9,10,27,37,40,41]
SDQ_A[0..63] [7,9]
SDQS_A[0..7] [7,9]
SCS_A0#[7,9]
SCS_A1#[7,9]
SBA_A1[7,9]
SBA_A0[7,9]
SBA_B0[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]
SCS_B0#[7,9]
SBA_B1[7,9]
Place close to SO-DIMM0 Place close to SO-DIMM1