Memory Down-2 - EUROCOM M620NC Service Manual

Schematic Diagrams

Memory Down-2

10,12 M_A_R_DQS[0..7]
10,12 M_A_R_DQS#[0..7]
10,12 M_A_R_DM[0..7]
6,10,12 M_A_A[13:0]
10,12 M_A_R_DQ[63:0]
6,10,12
6,10,12
5 M_CLK_DDR1
5 M_CLK_DDR1#
5,10,12
5,10,12
6,10,12
6,10,12
6,10,12
5,10,12
Sheet 11 of 34
10 MVREF_DIM1
Memory Down-2
+1.8V
B - 12 Memory Down-2
M_A_R_DQS[0..7]
M_A_R_DQS#[0..7]
M_A_R_DM[0..7]
U35
M_A_A0 M_A_R_DQ37
H8 C8
A0 DQ0
M_A_A1 H3 C2 M_A_R_DQ35
A1 DQ1
M_A_A2 H7 D7 M_A_R_DQ33
A2 DQ2
M_A_A3 J2 D3 M_A_R_DQ34
A3 DQ3
M_A_A4 J8 D1 M_A_R_DQ39
A4 DQ4
M_A_A5 J3 D9 M_A_R_DQ32
A5 DQ5
M_A_A6 J7 B1 M_A_R_DQ38
A6 DQ6
M_A_A7 K2 B9 M_A_R_DQ36
A7 DQ7
M_A_A8
K8
A8
M_A_A9 K3 B7 M_A_R_DQS4
A9 DQS
M_A_A10 M_A_R_DQS#4
H2 A8
A10/AP DQS#
M_A_A11
K7
A11
M_A_A12 M_A_R_DM4
L2 B3
A12 DM/RDQS
M_A_A13 L8 A2 TZ1101
NC/A13 NC/RDQS#
M_A_BS0 G2 G1 TZ1102 M_A_BS0
M_A_BS0
BA0 NC1
M_A_BS1 G3 L3 TZ1103 M_A_BS1
M_A_BS1
BA1 NC2
L7 TZ1104
NC3
M_CLK_DDR1 E8 M_CLK_DDR1
CK
M_CLK_DDR1# M_CLK_DDR1#
F8 A1
CK# VDD1 +1.8V
E9
VDD2
M_CS0# M_CS0#
G8 H9
M_CS0# CS# VDD3
M_CKE0 M_CKE0
F2 L1
M_CKE0 CKE VDD4
M_A_CAS# M_A_CAS#
G7
M_A_CAS# CAS#
M_A_RAS# F7 M_A_RAS#
M_A_RAS# RAS#
M_A_WE# M_A_WE#
F3 E1
M_A_WE#
WE# VDDL
M_ODT0 F9 M_ODT0
M_ODT0
ODT
MVREF_DIM1
E2 J1
VREF VSS1
K9
VSS2
C566 A3
VSS3
E3
VSS4
0.1u_X7R_04
E7
VSSDL
+1.8V
A9 A7
VDDQ1 VSSQ1
C1 B2
VDDQ2 VSSQ2
C3 B8
VDDQ3 VSSQ3
C7 D2
VDDQ4 VSSQ4
C587 C349 C9 D8 C369 C355
VDDQ5 VSSQ5
10u_08 0.1u_X7R_04 10u_08 0.1u_X7R_04
HY B18T512800BF-3.7
M_CLK_DDR1
C343 R222 R228
*3.3p_04 200_1%_04 200_1%_04
M_CLK_DDR1#
U20
M_A_A0 M_A_R_DQ43 M_A_A0
H8 C8
A0 DQ0
M_A_A1 H3 C2 M_A_R_DQ41 M_A_A1
A1 DQ1
M_A_A2 H7 D7 M_A_R_DQ46 M_A_A2
A2 DQ2
M_A_A3 J2 D3 M_A_R_DQ45 M_A_A3
A3 DQ3
M_A_A4 J8 D1 M_A_R_DQ40 M_A_A4
A4 DQ4
M_A_A5 J3 D9 M_A_R_DQ47 M_A_A5
A5 DQ5
M_A_A6 J7 B1 M_A_R_DQ44 M_A_A6
A6 DQ6
M_A_A7 K2 B9 M_A_R_DQ42 M_A_A7
A7 DQ7
M_A_A8 M_A_A8
K8
A8
M_A_A9 K3 B7 M_A_R_DQS5 M_A_A9
A9 DQS
M_A_A10 M_A_R_DQS#5 M_A_A10
H2 A8
A10/AP DQS#
M_A_A11 M_A_A11
K7
A11
M_A_A12 M_A_R_DM5 M_A_A12
L2 B3
A12 DM/RDQS
M_A_A13 L8 A2 TZ1105 M_A_A13
NC/A13 NC/RDQS#
G2 G1 TZ1106 M_A_BS0
BA0 NC1
G3 L3 TZ1107 M_A_BS1
BA1 NC2
L7 TZ1108
NC3
E8 M_CLK_DDR1
CK
M_CLK_DDR1#
F8 A1
CK# VDD1 +1.8V
E9
VDD2
M_CS0#
G8 H9
CS# VDD3
M_CKE0
F2 L1
CKE VDD4
M_A_CAS#
G7
CAS#
F7 M_A_RAS#
RAS#
M_A_WE#
F3 E1
WE# VDDL
F9 M_ODT0
ODT
MVREF_DIM1 MVREF_DIM1
E2 J1
VREF VSS1
K9
VSS2
C342 A3 C561
VSS3
E3
VSS4
0.1u_X7R_04 0.1u_X7R_04
E7
VSSDL
+1.8V
A9 A7
VDDQ1 VSSQ1
C1 B2
VDDQ2 VSSQ2
C3 B8
VDDQ3 VSSQ3
C7 D2
VDDQ4 VSSQ4
C9 D8 C585 C575
VDDQ5 VSSQ5
10u_08 0.1u_X7R_04
HY B18T512800BF-3.7
+1.8V
C367 C323 C552 C324 C554 C577
1000p_04 1000p_04 1000p_04 1000p_04 1000p_04 1000p_04
+1.8V
C366 C354 C555 C556 C359 C372
0.1u_X7R_04 0.1u_X7R_04 0.1u_X7R_04 0.1u_X7R_04 0.1u_X7R_04 0.1u_X7R_04
+1.8V
C325 C322 C368 C371
10u_08 10u_08 10u_08 10u_08
The Memory Down SDRAM
devices to be placed farthest
away from the Intel 945GMS.
U34 U21
M_A_R_DQ52 M_A_A0
H8 C8 H8
A0 DQ0 A0 DQ0
H3 C2 M_A_R_DQ55 M_A_A1 H3
A1 DQ1 A1 DQ1
H7 D7 M_A_R_DQ49 M_A_A2 H7
A2 DQ2 A2 DQ2
J2 D3 M_A_R_DQ54 M_A_A3 J2
A3 DQ3 A3 DQ3
J8 D1 M_A_R_DQ51 M_A_A4 J8
A4 DQ4 A4 DQ4
J3 D9 M_A_R_DQ48 M_A_A5 J3
A5 DQ5 A5 DQ5
J7 B1 M_A_R_DQ50 M_A_A6 J7
A6 DQ6 A6 DQ6
K2 B9 M_A_R_DQ53 M_A_A7 K2
A7 DQ7 A7 DQ7
M_A_A8
K8 K8
A8 A8
K3 B7 M_A_R_DQS6 M_A_A9 K3
A9 DQS A9 DQS
M_A_R_DQS#6 M_A_A10
H2 A8 H2
A10/AP DQS# A10/AP DQS#
M_A_A11
K7 K7
A11 A11
M_A_R_DM6 M_A_A12
L2 B3 L2
A12 DM/RDQS A12 DM/RDQS
L8 A2 TZ1109 M_A_A13 L8
NC/A13 NC/RDQS# NC/A13 NC/RDQS#
G2 G1 TZ1110 M_A_BS0 G2
BA0 NC1 BA0 NC1
G3 L3 TZ1111 M_A_BS1 G3
BA1 NC2 BA1 NC2
L7 TZ1112
NC3 NC3
E8 M_CLK_DDR1 E8
CK CK
M_CLK_DDR1#
F8 A1 F8
CK# VDD1 +1.8V CK# VDD1
E9
VDD2 VDD2
M_CS0#
G8 H9 G8
CS# VDD3 CS# VDD3
M_CKE0
F2 L1 F2
CKE VDD4 CKE VDD4
M_A_CAS#
G7 G7
CAS# CAS#
F7 M_A_RAS# F7
RAS# RAS#
M_A_WE#
F3 E1 F3
WE# VDDL WE# VDDL
F9 M_ODT0 F9
ODT ODT
MVREF_DIM1
E2 J1 E2
VREF VSS1 VREF VSS1
K9
VSS2 VSS2
A3 C346
VSS3 VSS3
E3
VSS4 VSS4
0.1u_X7R_04
E7
VSSDL VSSDL
+1.8V
A9 A7 A9
VDDQ1 VSSQ1 VDDQ1 VSSQ1
C1 B2 C1
VDDQ2 VSSQ2 VDDQ2 VSSQ2
C3 B8 C3
VDDQ3 VSSQ3 VDDQ3 VSSQ3
C7 D2 C7
VDDQ4 VSSQ4 VDDQ4 VSSQ4
C9 D8 C370 C351 C9
VDDQ5 VSSQ5 VDDQ5 VSSQ5
10u_08 0.1u_X7R_04
HY B18T512800BF-3.7 HYB18T512800BF-3.7
C353 C571
1000p_04 1000p_04
C356 C357 C328
0.1u_X7R_04 0.1u_X7R_04 0.1u_X7R_04
+1.8V 5,7,9,10,30
M_A_R_DQ63
C8
C2 M_A_R_DQ61
D7 M_A_R_DQ58
D3 M_A_R_DQ57
D1 M_A_R_DQ60
D9 M_A_R_DQ59
B1 M_A_R_DQ56
B9 M_A_R_DQ62
B7 M_A_R_DQS7
M_A_R_DQS#7
A8
M_A_R_DM7
B3
A2 TZ1113
G1 TZ1114
L3 TZ1115
L7 TZ1116
A1
+1.8V
E9
H9
L1
E1
J1
K9
A3
E3
E7
A7
B2
B8
D2
D8