Service manual

Schematic Diagrams
B - 8 DDR TERMINATION
B.Schematic Diagrams
DDR TERMINATION
Sheet 7 of 45
DDR
TERMINATION
+1.25V
+2.5V +1.25V +2.5V +2. 5V+1.25V
+1 . 25 V
+1.25V
+1. 25V
+1. 2 5V
MAA[0.. 13] 3,6
MEM DQS [ 0. . 7] 3 , 6
MEMDATA[0. .63] 3,6
MAB[0.. 13] 3,6
+1.25V 3,4, 30
MEMCKEB3,6
DQM53, 6
+2.5V 3,4,5,6,16,30,33
MEMC KEA3,6
MEMWEA_L3,6
MEMBANKA03,6
MEM CS_ L03,6
MAA133,6
MEMBANKB13,6
MEMRASB_L3,6
MEM CS_ L33,6
DQM[0..7]3,6
MEMCASA_L3,6
MEM CS_ L13,6
MEMBANKA13,6
MEMRASA_L3,6
MEMC S_L 23, 6
MAB133,6
MEMBAN KB03,6
MEMWEB_L3,6
MEMCASB_L3,6
DQM23,6
MAA[0. .13]
MAB[0. .13]
MEMDATA[0.. 63]
MEMDQS[0..7]
MAA9
MEMDATA60
MEMDATA42
MEMDATA27
MEMDATA2
MEMDATA54
MEMCS_L2
MEMDATA40
DQM5
MAA3
MEMDATA59
MEMDATA36
MEM DQS 6
MEMDATA8
MEMDATA52
MEMDATA58
DQM7
MAA8
MEMDATA51
MEMBANKB1
DQM1
MEMDATA47
MAA12
MEMD ATA33
MAA1
MAA2
MEMDATA44
MEMDATA4
MAB12
MAA5
MEMW E A_L
MEMDATA18
MAB5
MAA10
MEMDATA35
MEMDATA14
MAB7
MEMDATA31
DQM6
MEMDATA25
MEMDATA6
MEMDATA50
MEM DQS 5
MEMDATA39
MEM DQS 7
MAA11
MEMDATA13
MEMDATA55
MEMDATA37
DQM0
MEMDATA12
MEMDATA46
MEM DQS 2
MEMDATA49
MEMD QS4
MEMDATA3
MEMDATA43
MEMR A SA _L
MEMDATA41
MEMBAN KA0
MAA0
MEMDATA57
MEMDATA26
MEMDATA61
MEMBAN KA1
MEMD ATA34
MAA6
MEMDATA62
MAB9
MEMDATA5
MEMC S _L 0
MAB10
MEMD ATA32
MEMDATA53
DQM4
MAA7
MAB0
MEMCKEB
MEMDATA56
MEMDATA30
MAB2
MEM DQS 1
MEMDATA48
MEM DQS 3
MEM DQS 0
MEMDATA9
MEMDATA19
MEMDATA23
MEMDATA38
MEMDATA45
MAB13
MAA13
MEMDATA24
MEMDATA7
MEMDATA15
MEMDATA28
MEMDATA63
MEMC KEA
MAB11
MAB6
MAB4
MAB8
MEMDATA17
MEMDATA16
MEMDATA11
MEMDATA10
MEMDATA0
MEMDATA1
ME MCS _L 3
MEMRASB_L
MEMBANKB0
DQM[0..7]
MAA4
MEMC A SA _L
MEMC S _L 1
MEMW E B_L
MAB3
MEMC A SB _L
MAB1
MEMD A TA2 1
MEMD A TA2 0
MEMD A TA2 2
DQM2
MEMDATA29
DQM3
Z0706
Z0707
Z0705
Z0703
Z0704
Z0701
Z0702
T6 46
T643
C487
0.1U_X7R
T6 45
T6 47
C406
0.1U_X7R
C478
0. 1U _X 7R
T644
C482
0.1U_X7R
RN58
8P4RX47
8 1
7 2
6
5
3
4
C488
0.1U_X7R
C708
0.1U_X7R
C480
0.1U_X7R
C727
0.22U
R650
47
RN15
8P4RX47
81
72
6
5
3
4
C473
0.1U_X7R
C485
0.1U_X7R
RN22
8P4R X68
8 1
7 2
6
5
3
4
C730
0.22U
C719
0. 1U _X7R
C469
0.1U_X7R
RN64
8P4R X68
8 1
7 2
6
5
3
4
C712
0.1U_X7R
C479
0.1U_X7R
C720
0.1U_X7R
C731
0.1U_X7R
C715
0.1U_X7R
RN31
8P4R X68
8 1
7 2
6
5
3
4
+
C741
4.7U_0805
C716
0.1U_X7R
RN56
8P4RX68
1
2
3
45
6
7
8
RN61
8P4RX68
1
2
3
45
6
7
8
C707
0.1U_X7R
C491
0.1U_X7R
+
C468
4.7U_0805
C475
0. 1U _X7R
C494
0. 1U _X7R
R649
47
RN33
8P4R X68
8 1
7 2
6
5
3
4
C734
0. 1U _X7R
C404
0. 1U _X7R
RN14
8P4RX47
81
72
6
5
3
4
C722
0.1U_X7R
RN27
8P4RX47
8 1
7 2
6
5
3
4
T641
C677
0.22U
T642
C725
0. 1U _X7R
C489
0.1U_X7R
C676
0.22U
C697
0.1U_X7R
C490
0.1U_X7R
C472
0. 1U _X7R
C738
0.22U
C679
0.1U_X7R
C736
0.22U
C474
0.1U_X7R
RN62
8P4RX68
8 1
7 2
6
5
3
4
C486
0.1U_X7R
C699
0.1U_X7R
C732
100P
C733
0.1U_X7R
C711
0.1U_X7R
RN44
8P4RX47
8 1
7 2
6
5
3
4
C714
0.1U_X7R
C729
0. 1U _X7R
C724
0.1U_X7R
RN32
8P4R X68
8 1
7 2
6
5
3
4
RN60
8P4RX68
8 1
7 2
6
5
3
4
C726
1000P
RN28
8P4 R X4 7
1
2
3
45
6
7
8
+
C743
4.7U_0805
RN63
8P4RX68
1
2
3
45
6
7
8
RN59
8P4RX47
8 1
7 2
6
5
3
4
C735
0.1U_X7R
C484
0.1U_X7R
C470
0.1U_X7R
R631
47
RN25
8P4R X68
8 1
7 2
6
5
3
4
C483
0. 1U _X7R
C680
0.1U_X7R
C718
0.1U_X7R
RN54
8P4R X68
8 1
7 2
6
5
3
4
RN24
8P4R X68
8 1
7 2
6
5
3
4
C723
0.1U_X7R
C717
0. 1U _X 7R
RN46
8P4RX47
8 1
7 2
6
5
3
4
C403
0.1U_X7R
RN16
8P4RX47
81
72
6
5
3
4
C476
0.1U_X7R
RN65
8P4R X68
8 1
7 2
6
5
3
4
C471
0.1U_X7R
RN21
8P4R X68
8 1
7 2
6
5
3
4
C495
0.1U_X7R
C675
0. 1U _X7R
RN53
8P4R X68
8 1
7 2
6
5
3
4
C728
0.1U_X7R
RN30
8P4R X68
8 1
7 2
6
5
3
4
C492
0.1U_X7R
C737
0.1U_X7R
RN29
8P4RX68
8 1
7 2
6
5
3
4
RN45
8P4RX47
8 1
7 2
6
5
3
4
C682
0.1U_X7R
C481
0.1U_X7R
C493
0.1U_X7R
RN23
8P4R X68
8 1
7 2
6
5
3
4
C417
0. 1U _X7R
C721
0.1U_X7R
C709
0.22U
C713
0.1U_X7R
C405
100 0P
C477
0.1U_X7R
RN57
8P4R X68
8 1
7 2
6
5
3
4
RN26
8P4RX47
8 1
7 2
6
5
3
4
C710
0.1U_X7R
C678
0.1U_X7R
C402
0.1U_X7R
RN55
8P4R X68
8 1
7 2
6
5
3
4
NOTE: Place these decoupling
capacitors close to VTT_MEM
termination resistors. (one
decoupling capacitor for each
two R-packs)
Place these
decoupling
capacitors on
VTT_MEM trace
2.4A