MiTAC 8050QMA - Manual (Page 121)

120
80 80 50QMA 50QMA N/B Maintenance N/B Maintenance
8.5 Memory Test Error-2
Extend DDRAM is failure or system hangs up.
R243,R263….
56
+0.9VS
SMBDATA
SMBCLK
J713
P 8
DDR SODIM
M
+DDR2_VREF
R606
75
+1.8V
R242
75
C304
0.1µ
C604
2.2µ
C295
2.2µ
S[A..B]_DQS#[0..7], S[A..B]_DQS[0..7]
S[A..B]_A[0..13], CKE#[0..3], CS#[0..3], ODT[0..3]
S[A..B]_BS#[0..2], S[A..B]_CAS#, S[A..B]_RAS#, S[A..B]_WE#
S[A..B]_DM[0..7], S[A..B]_DQ[0..63]
NB_CLK_DDR[0,1,3,4], NB_CLK_DDR[0,1,3,4]#
U7
Clock
Generator
ICS954226
SMBDATA
SMBCLK
R692
10K
R691
10K
+3VS
47
46
SA_DQS#[0..7], SA_DQS[0..7]
SA_MA[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]#
J714
P 8
DDR SODIM
M
SB_DQS#[0..7], SB_DQS[0..7]
SB_MA[0..13], CKE#[2..3], CS#[2..3], ODT[2..3]
SB_BS#[0..2], SB_CAS#, SB_RAS#, SB_WE#
SB_DM[0..7], SB_DQ[0..63]
NB_CLK_DDR[3,4], NB_CLK_DDR[3,4]#
C285
0.1µ P
9
U710
North Bridge
915PM
GMCH
P 4 P 7
SMBDATA
SMBCLK
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