MiTAC 8050 Manual Do Serviço
8050
8050
N/B Maintenance
N/B Maintenance
106
+1.25V_DDR
MD[0..63]
DQS[0..7]
DM[0..7]
MCB[0..7]
MA0
MA3
MA[6..12]
WE#
CAS#
RAS#
BA[0,1]
NB_DM8
NB_DQS8
NB_CLK_DDR[0..5]
NB_CLK_DDR[0..5]#
J711
&
J712
+3V
+2.5VS_DDR
R340
C337
C346
75
0.01U
0.1U
197
NB_MD[0..63]
NB_DQS[0..7]
NB_DM[0..7]
NB_CB[0..7]
NB_MA0
NB_MA3
NB_MA[6..12]
NB_WE#
NB_CAS#
NB_RAS#
NB_BA[0,1]
R948,R949…
R972~R975
R1031
R969~R971
U714
SMA [1,2]
SMA[4,5]
SMA[4,5]
SMAB[1,2]
SMAB [4,5]
SMAB [4,5]
CKE [0~3]
CS# [0,1]
R1011,R1016..
R950,R955..
R977,R978..
R1032~R1036
10
10
10
10
10
R1030
NB_DM8
NB_DQS8
NB_CLK_DDR[0..5]
NB_CLK_DDR[0..5]#
NB_CLK_DDR[0..5]#
R979
R1040
R319
R320
R320
R335~R338
R359
R360
R360
R1103~R1106
10
10
10
10*12
RP29~RP43
56*8
U712
CLOCK
GENERATOR
29
SMBDATA
30
SMBCLK
193
195
855GM
/GME
/GME
0.6MM/200P
/H5.2
/H5.2
P11
P6
DDR-SODI
MM
P4
P5
NB
8.5 Memory Test Error
U715
ICH4-M
P13
+3V
VDD3S
R315
2.2K
R318
2.2K
2.2K
Q21
R316
10K
R317
10K
Q22
2N7002
2N7002
SMB_DATA
SMB_CLK
Either on board or extend SDRAM is failure or system hangs up.