Service manual

Schematic Diagrams
Memory Down-1 B - 11
B.Schematic Diagrams
Memory Down-1
M_A_R_DQ9
The Memory Down SDRAM
devices to be placed farthest
away from the Intel 945GMS.
M_A_ R_DQ19
M_A_R_DQ12
M_A_ R_DQ17
M_A_R_DQ11
M_A_ R_DQ18
M_A_R_DQ8
A0
H8
A1
H3
A2
H7
A3
J2
A4
J8
A5
J3
A6
J7
A7
K2
A8
K8
A9
K3
A10/AP
H2
A11
K7
A12
L2
BA0
G2
BA1
G3
CS#
G8
CK
E8
CK#
F8
CKE
F2
CAS#
G7
RAS#
F7
WE#
F3
ODT
F9
NC/A13
L8
NC1
G1
NC2
L3
NC3
L7
VDD1
A1
VREF
E2
VSS1
J1
VSS2
K9
VDDQ1
A9
VDDQ2
C1
VDDQ3
C3
VDDQ4
C7
VDDQ5
C9
DQ0
C8
DQ1
C2
DQ2
D7
DQ3
D3
DQ4
D1
DQ5
D9
DQ6
B1
DQ7
B9
DQS
B7
DQS#
A8
VSSQ1
A7
VSSQ2
B2
VSSQ3
B8
VSSQ4
D2
VSSQ5
D8
DM/RDQS
B3
NC/RDQS#
A2
VSS3
A3
VSS4
E3
VDDL
E1
VDD2
E9
VDD3
H9
VDD4
L1
VSSDL
E7
U18
HY B18T512800BF-3.7
M_A_ R_DQ23
+1.8V
M_A_R_DQ10
MV RE F_ D IM 1
+1.8V
C344
0.1u_X7R_04
C341
0.1u_X7R_04
C350
10u_08
M_A_ R_DQ16
M_A_ R_DQ22
SA0_SPD
SA1_SPD
M_ODT0
M_A_ BS0
M_A_ WE#
MV RE F_ D IM111
M_A_ BS1
M_A_ A12
M_A_ A8
M_A_ A5
M_A_ A10
M_A_ A1
M_A_ A4
M_A_ A7
M_A_ A3
M_A_ A6
M_A_ A0
M_A_ A9
M_A_ A2
M_A_ A11
M_A_ A13
M_A_A3
M_A_R_D QS0
M_A_R_D QS#0
M_A_A2
M_A_A5
M_A_R_DM0
M_A_A9
M_A_A4
M_A_A7
M_A_A6
TZ1007
TZ1006
TZ1005
TZ1011
TZ1001
TZ1002
TZ1004
TZ1003
TZ1008
TZ1 014
TZ1 016
TZ1 015
TZ1009
TZ1010
TZ1012
TZ1 013
M_A_A10
M_A_A11
M_A_A8
M_A_A12
M_A_R _DQS#2
M_A_R _DM2
M_A_R _DQS2
M_A_R_DQS#3
M_A_R_DM3
C574
10u_08
C348
0.1u_X7R_04
C306
0.1u_04
C562
*3.3p_04
R212
1K_04
A0
1
A1
2
A2
3
SCL
6
WP
7
VCC
8
SDA
5
GND
4
U16
ST24C 02
R229
1K_1%_04
C563
0.1u_X7R_04
R423 1K_1%_04
R226
200_1%_04
C304
0.1u_04
R213
1K_04
+
C379
*220u/4V_V
C565
0.1u_X7R_04
R227
200_1%_04
C314
10u_08
M_ODT0
C569
1u/10V
+
C376
*150u/4V_B
+1.8V
+1.8V
+1.8V
+3VS
DDR Áû²É 2'nd source:
Samsung K4T51083QC-ZC(L)D5
M_ODT05,11,12
+1.8V 5,7,9,11,30
+3VS 2,5, 8,9, 13, 14, 15, 16,17,18,19,20,21,22, 24,25, 26,27
M_A_A[13:0]6,11,12
M_ A_ B S06, 11,12
M_ A_ B S16, 11,12
M_CLK_DDR05
M_CLK_DDR0#5
M_A_R_DQ[63:0]11,12
M_CKE05,11,12
M_A_W E#6,11,12
M_A_RAS#6,11,12
M_A_CAS#6,11,12
M_A_R_DQS#[0..7]11,12
M_A_R_DQS[0..7]11,12
M_CS0#5,11,12
M_A_R_DM[0..7]11,12
ICH_SMBDAT 9, 16,19,25
ICH_SMBCLK9,16,19,25
M_CS0# M_C S0#
M_CLK_DDR0#
M_CLK_DDR0
+1.8V
C567
0.1u_X7R_04
M_CLK_DDR0#
C592
10u_08
MVREF _DIM1
C578
0.1u_X7R_04
M_CLK_DDR0
M_A_A13
M_A_R_DQS[0..7]
M_A_R_DQS# [0.. 7]
M_A_R_DM[0..7]
A0
H8
A1
H3
A2
H7
A3
J2
A4
J8
A5
J3
A6
J7
A7
K2
A8
K8
A9
K3
A10/AP
H2
A11
K7
A12
L2
BA0
G2
BA1
G3
CS#
G8
CK
E8
CK#
F8
CKE
F2
CAS#
G7
RAS#
F7
WE#
F3
ODT
F9
NC/A13
L8
NC1
G1
NC2
L3
NC3
L7
VDD1
A1
VREF
E2
VSS1
J1
VSS2
K9
VDDQ1
A9
VDDQ2
C1
VDDQ3
C3
VDDQ4
C7
VDDQ5
C9
DQ0
C8
DQ1
C2
DQ2
D7
DQ3
D3
DQ4
D1
DQ5
D9
DQ6
B1
DQ7
B9
DQS
B7
DQS#
A8
VSSQ1
A7
VSSQ2
B2
VSSQ3
B8
VSSQ4
D2
VSSQ5
D8
DM/RDQS
B3
NC/RDQS#
A2
VSS3
A3
VSS4
E3
VDDL
E1
VDD2
E9
VDD3
H9
VDD4
L1
VSSDL
E7
U36
HY B18T512800BF-3.7
R562 10K_04
Z1001
M_A_CAS#
M_CKE0
M_A_RAS#
+1.8V
C345
0.1u_X7R_04
C358
10u_08
MVREF_DIM1
C591
0.1u_X7R_04
M_A_R AS#
M_A_WE#
M_C KE0
M_A_C AS#
A0
H8
A1
H3
A2
H7
A3
J2
A4
J8
A5
J3
A6
J7
A7
K2
A8
K8
A9
K3
A10/AP
H2
A11
K7
A12
L2
BA0
G2
BA1
G3
CS#
G8
CK
E8
CK#
F8
CKE
F2
CAS#
G7
RAS#
F7
WE#
F3
ODT
F9
NC/A13
L8
NC1
G1
NC2
L3
NC3
L7
VDD1
A1
VREF
E2
VSS1
J1
VSS2
K9
VDDQ1
A9
VDDQ2
C1
VDDQ3
C3
VDDQ4
C7
VDDQ5
C9
DQ0
C8
DQ1
C2
DQ2
D7
DQ3
D3
DQ4
D1
DQ5
D9
DQ6
B1
DQ7
B9
DQS
B7
DQS#
A8
VSSQ1
A7
VSSQ2
B2
VSSQ3
B8
VSSQ4
D2
VSSQ5
D8
DM/RDQS
B3
NC/RDQS#
A2
VSS3
A3
VSS4
E3
VDDL
E1
VDD2
E9
VDD3
H9
VDD4
L1
VSSDL
E7
U19
HY B18T512800BF-3.7
R563
*0_04
C315
10u_08
C316
10u_08
C589
0.1u_X7R_04
C330
10u_08
MV R EF _ D I M1
C338
0.1u_X7R_04
+1.8V
+1.8V
C347
0.1u_X7R_04
M_A_R_DQ27
C586
10u_08
C352
0.1u_X7R_04
M_A_R_DQ25
M_A_A7
M_A_A3
M_A_A12
M_A_A10
M_A_A11
M_A_A5
M_A_A1
M_A_A9
M_A_A2
M_A_A4
M_A_A0
M_A_A6
M_A_A13
M_A_A8
M_A_R_DQ26
M_ A_ A7
M_ A_ A1 2
M_ A_ A3
M_ A_ A1 1
M_ A_ A5
M_ A_ A1 0
M_ A_ A9
M_ A_ A0
M_ A_ A1
M_ A_ A6
M_ A_ A2
M_ A_ A8
M_ A_ A4
M_ A_ A1 3
M_A_R_DQ29
+1.8V
M_A_R_DQ1
M_A_BS0
M_A_BS1
+1. 8V
M_A_R_DQ24
M_A_ R_DQ21
A0
H8
A1
H3
A2
H7
A3
J2
A4
J8
A5
J3
A6
J7
A7
K2
A8
K8
A9
K3
A10/AP
H2
A11
K7
A12
L2
BA0
G2
BA1
G3
CS#
G8
CK
E8
CK#
F8
CKE
F2
CAS#
G7
RAS#
F7
WE#
F3
ODT
F9
NC/A13
L8
NC1
G1
NC2
L3
NC3
L7
VDD1
A1
VREF
E2
VSS1
J1
VSS2
K9
VDDQ1
A9
VDDQ2
C1
VDDQ3
C3
VDDQ4
C7
VDDQ5
C9
DQ0
C8
DQ1
C2
DQ2
D7
DQ3
D3
DQ4
D1
DQ5
D9
DQ6
B1
DQ7
B9
DQS
B7
DQS#
A8
VSSQ1
A7
VSSQ2
B2
VSSQ3
B8
VSSQ4
D2
VSSQ5
D8
DM/RDQS
B3
NC/RDQS#
A2
VSS3
A3
VSS4
E3
VDDL
E1
VDD2
E9
VDD3
H9
VDD4
L1
VSSDL
E7
U37
HY B18T512800BF-3.7
+1. 8V
M_A_R_DQ31
C595
0.1u_X7R_04
C564
0.1u_X7R_04
C590
0.1u_X7R_04
M_CLK_DDR0#
M_CLK_DDR0
M_A_R_DQ3
+1.8V
C365
1000p_04
M_A_R_DQ28
M_A_R_DQ4
M_A_R_DQ30
M_A_BS1
M_CS0#
M_A_RAS#
M_CLK_D DR0#
M_CKE0
M_CLK_D DR0
M_A_CAS#
M_A_WE#
M_A_BS0
M_A_R_DQ2
M_A_A0
C319
1000p_04
M_A_R_DQS3
M_A_R_DQ7
M_C K E0
M_CLK_DDR0
M_A _C AS #
M_A _B S1
M_C S 0#
M_A _W E #
M_A _B S0
M_A _R AS #
M_CLK_DDR0#
M_A_A1
M_O D T0
C318
1000p_04
C320
1000p_04
MV RE F_ DI M1
M_A_R_DQ15
M_A_R_DQ5
M_OD T0
M_A_R_DM1
M_A_R_DQS1
M_A_R_DQS#1
M_A_R_DQ13
M_A_R_DQ6
C364
1000p_04
C317
1000p_04
M_A_R_DQ0
M_A_R_DQ14
C363
1000p_04
C362
1000p_04
M_A_ R_DQ20
Sheet 10 of 34
Memory Down-1