Service manual

Schematic Diagrams
NPT 64 (P3) DDR2_B B - 5
B.Schematic Diagrams
NPT 64 (P3) DDR2_B
Sheet 4 of 46
NPT 64 (P3)
DDR2_B
TRACE FROM CAP TO CPU MUST BE LESS THAN 1200MILS
MEM_B_CLK1
MEM_B_CLK1#
MEM_B_CLK2
MEM_B_CLK2#
MAX NECKDOWN TO & FROM CAPS IS 500MILS
MEM_B_ADD [0. .15]
MEM_B_D QM7
C994
1000P_06
R919
39.2_ 1%_06
C993
1000P_06
C995
0.1UF_06
R920
39.2_ 1%_06
R915
1K_1%_06
C985
M-C0402
1.5P_0402
C991
1000P_06
C992
0.1UF_06
C990
M-C0402
1.5P_0402
MB_DATA[47]
AD20
MB_ADD[1]
P26
MB_ADD[2]
P24
MB_ADD[3]
N26
MB_ADD[4]
N25
MB_ADD[5]
N24
MB_ADD[6]
N23
MB_ADD[7]
L26
MB_ADD[8]
M26
MB_ADD[9]
L24
MB_ADD[10]
U25
MB_ADD[11]
L25
MB_ADD[12]
L23
MB_ADD[13]
W25
MB_ADD[14]
J26
MB_ADD[15]
J25
MB_DATA[0]
C11
MB_DATA[1]
A11
MB_DATA[2]
A14
MB_DATA[3]
B14
MB_DATA[4]
G11
MB_DATA[5]
E11
MB_DATA[6]
D12
MB_DATA[7]
A13
MB_DATA[8]
A15
MB_DATA[9]
A16
MB_DATA[10]
A19
MB_DATA[11]
A20
MB_DATA[12]
C14
MB_DATA[13]
D14
MB_DATA[14]
C18
MB_DATA[15]
D18
MB_DATA[16]
D20
MB_DATA[17]
A21
MB_DATA[18]
D24
MB_DATA[19]
C25
MB_DATA[20]
B20
MB_DATA[21]
C20
MB_DATA[22]
B24
MB_DATA[23]
C24
MB_DATA[24]
E23
MB_DATA[25]
E24
MB_DATA[26]
G25
MB_DATA[27]
G26
MB_DATA[28]
C26
MB_DATA[29]
D26
MB_DATA[30]
G23
MB_DATA[31]
G24
MB_DATA[32]
AA24
MB_DATA[33]
AA23
MB_DATA[34]
AD24
MB_DATA[35]
AE24
MB_DATA[36]
AA26
MB_DATA[37]
AA25
MB_DATA[38]
AD26
MB_DATA[39]
AE25
MB_DATA[40]
AC22
MB_DATA[41]
AD22
MB_DATA[42]
AE20
MB_DATA[43]
AF20
MB_DATA[44]
AF24
MB_DATA[45]
AF23
MB_DATA[46]
AC20
MB_ADD[0]
T24
MB_DATA[48]
AD18
MB_DATA[49]
AE18
MB_DATA[50]
AC14
MB_DATA[51]
AD14
MB_DATA[52]
AF19
MB_DATA[53]
AC18
MB_DATA[54]
AF16
MB_DATA[55]
AF15
MB_DATA[56]
AF13
MB_DATA[57]
AC12
MB_DATA[58]
AB11
MB_DATA[59]
Y11
MB_DATA[60]
AE14
MB_DATA[61]
AF14
MB_DATA[62]
AF11
MB_DATA[63]
AD11
M_ZP
AF10
M_Z N
AE10
M_VREF
W17
VTT_SENSE
Y10
MB0_ODT[0]
W26
MB0_ODT[1]
W23
MB_CKE[0]
J23
MB_CKE[1]
H26
MB0_CS*[ 0]
U23
MB0_CS*[ 1]
W24
MB0_CS*[ 2]
J24
MB0_CS*[ 3]
Y26
MB_WE*
U22
MB_CAS*
V26
MB_RAS*
U24
MB_BANK[0]
U26
MB_BANK[1]
T26
MB_BANK[2]
K26
MB0_CLK*[2]
AF17
MB0_CLK[2]
AF18
MB0_CLK*[1]
A18
MB0_CLK[1]
A17
MB_DQS*[ 0]
B12
MB_DQS*[ 1]
C16
MB_DQS*[ 2]
A23
MB_DQS*[ 3]
E26
MB_DQS*[ 4]
AC26
MB_DQS*[ 5]
AF22
MB_DQS*[ 6]
AD16
MB_DQS*[ 7]
AE12
MB_DQS[ 0]
C12
MB_DQS[ 1]
D16
MB_DQS[ 2]
A24
MB_DQS[ 3]
F26
MB_DQS[ 4]
AC25
MB_DQS[ 5]
AF21
MB_DQS[ 6]
AE16
MB_DQS[ 7]
AF12
MB_DM[ 0]
A12
MB_DM[ 1]
B16
MB_DM[ 2]
A22
MB_DM[ 3]
E25
MB_DM[ 4]
AB26
MB_DM[ 5]
AE22
MB_DM[ 6]
AC16
MB_DM[ 7]
AD12
MEMOR Y_B
SEC 4 OF 6
U53D
PZ638X3-284S-01
R917
1K_1%_06
+0.9V
+1.8V
MEM_B_D QM6
+1.8V
MEM_B_ADD[0..15]8
ME M_B_ CS2# 8
ME M_B_ CS3# 8
ME M_B_ CS1# 8
ME M_B_ CS0# 8
MEM_B_BANK2 8
MEM_B_BANK1 8 MEM_B_C LK2# 8
MEM_B_C LK2 8
MEM_B_RAS# 8
MEM_B_CAS# 8
ME M_B_ WE# 8
MEM_B_BANK0 8
ME M_B_ OD T1 8
ME M_B_ OD T0 8
MEM_B_CKE0 8
MEM_B_CKE1 8
MEM_ B_ DA TA [0 .. 6 3]8
+3V 5,10,11,12,14,15,18,19,20,21,22,23,25,28,29,31,32
+0.9V 6,7,8,29
+1.8V 5,6,7,8,29
MEM_B_C LK1# 8
MEM_B_C LK1 8
MEM_B_D QM5
MEM_B_D QM4
MEM_B_D QM2
MEM_B_D QM0
MEM_B_D QM1
MEM_B_D QM3
MEM_B_DQS5
MEM_B_DQS4
MEM_B_DQS6
MEM_B_DQS7
ME MZP
ME MZN
MEM_B_DQS3
MEM_B_DQS2
MEM_B_DQS1
MEM_B_DQS0
MEM_B_DQS#6
MEM_B_DQS#7
MEM_B_DQS#5
MEM_B_DQS#4
MEM_B_DATA63
MEM_B_DQS#2
MEM_B_DQS#0
MEM_B_DQS#1
MEM_B_DQS#3
MEM_B_DATA62
MEM_B_DATA61
MEM_B_BANK1
MEM_B_BANK2
MEM_B_DATA60
MEM_B_RAS#
MEM_B_CAS#
MEM_B_DATA59
MEM_B_BANK0
MEM_B_DATA58
MEM_B_WE#
MEM_B_DATA57
MEM_B_CS3#
MEM_B_DATA56
MEM_B_CS2#
MEM_B_DATA49
MEM_B_DATA52
MEM_B_DATA54
MEM_B_DATA48
MEM_B_DATA55
MEM_B_DATA50
MEM_B_DATA53
MEM_B_DATA51
MEM_B_CS1#
MEM_B_DATA44
MEM_B_DATA47
MEM_B_DATA40
MEM_B_CS0#
MEM_B_DATA45
MEM_B_DATA41
MEM_B_DATA42
MEM_B_DATA43
MEM_B_DATA46
MEM_B_CKE1
MEM_B_DATA24
MEM_B_DATA29
MEM_B_DATA26
MEM_B_DATA31
MEM_B_DATA27
MEM_B_DATA25
MEM_B_DATA28
MEM_B_DATA30
MEM_B_DATA[0..63]
MEM_B_CKE0
MEM_B_DATA39
MEM_B_DATA36
MEM_B_DATA32
MEM_B_DATA37
MEM_B_DATA34
MEM_B_DATA35
MEM_B_DATA33
MEM_B_DATA38
MEM_B_OD T1
MEM_B_DATA17
MEM_B_DATA23
MEM_B_DATA18
MEM_B_DATA20
MEM_B_DATA19
MEM_B_DATA22
MEM_B_DATA16
MEM_B_DATA21
Layout: Place
near CPU socket
MEM_B_OD T0
MEM_B_DATA14
MEM_B_DATA8
MEM_B_DATA15
MEM_B_DATA12
MEM_B_DATA10
MEM_B_DATA9
MEM_B_DATA13
MEM_B_DATA11
MEM_B_DATA2
MEM_B_DATA3
MEM_B_DATA1
MEM_B_DATA6
MEM_B_DATA0
MEM_B_DATA7
MEM_B_DATA4
MEM_B_DATA5
MEM_B_ADD 15
MEM_B_ADD 12
MEM_B_ADD 8
MEM_B_ADD 10
MEM_B_ADD 13
MEM_B_ADD 9
MEM_B_ADD 11
MEM_B_ADD 14
MEM_B_ADD 7
MEM_B_ADD 1
MEM_B_ADD 2
MEM_B_ADD 4
MEM_B_ADD 5
MEM_B_ADD 3
MEM_B_ADD 6
MEM_B_ADD 0
MEM_B_D QM[7..0]
MEM_B_DQS[7..0]
MEM_B_DQS#[7..0]
CPU_M_VREF
MEM_B_DQM[7. .0] 8
MEM_B_DQS[7..0] 8
MEM_B_DQS#[7..0] 8