Service manual

117
8258I N/B Maintenance
8258I N/B Maintenance
8.3 Memory Test Error-2
Extend DDR2 SO-DIMM is test error or system hangs up.
PR2~8
PR502~507
+0.9VS
SMBDATA
SMBCLK
J508
P8
DIMM1
1.8VDDS
SA/B_DQS [0..7], SA/B_DQS#[0..7]
M_A/B_A[0..13], CKE[0..3], CS#[0..3], ODT[0..3]
SA/B_BS[0..2], SA/B_CAS#, SA/B_RAS#, SA/B_WE#,
SA/B_DM[0..7], SA/B_DQ[0..63]
NB_CLK_DDR[0..3], NB_CLK_DDR#[0..3], EXT_TS[0,1]#
U505
Clock
Generator
ICS9LPR310
GEN_SMBDATA
GEN_SMBCLK
55
54
J509
P8
DIMM0
P9
U506
North Bridge
Intel 945GM
P6 P7
SMBDATA
SMBCLK
SA_DQS [0..7], SA_DQS#[0..7]
M_A_A[0..13], CKE[0,1], CS#[0,1], ODT[0,1]
SA_BS[0..2], SA_CAS#, SA_RAS#, SA_WE#
SA_DM[0..7], SA_DQ[0..63]
NB_CLK_DDR[0,1], NB_CLK_DDR#[0,1], EXT_TS0#
SB_DQS [0..7], SB_DQS#[0..7]
SB_B_A[0..13], CKE[2,3], CS#[2,3], ODT[2,3]
SB_BS[0..2], SB_CAS#, SB_RAS#, SB_WE# , EXT_TS1#
SB_DM[0..7], SB_DQ[0..63]
NB_CLK_DDR[2,3], NB_CLK_DDR#[2,3], EXT_TS0#
+DDR2_VREF
C87
0.1U
SMBDATA
SMBCLK
197
195
195
197
C86
2.2U
C574
2.2U
C573
0.1U
R613
75
1.8VDDS
+DDR2_VREF
C78
2.2U
C77
0.1U
P5
R567 0
R565 0
R599
75
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