MiTAC 8050QMA Computer Hardware User Manual


 
133
80
80
50QMA
50QMA
N/B Maintenance
N/B Maintenance
PCI_AD[0..31]
33…
PCI_AD20
46
ICH_PME#
31
PCI_C/BE[0..3]
44…
PCLKRUN#
65
PCI_DEVSEL#
68
PCI_FRAME#
61
PCI_GNT3#
29
PCI_REQ3#
30
PCI_INTE#
25
PCI_IRDY#
63
PCI_TRDY#
67
PCI_PAR
76
PCI_PERR#
70
PCI_SERR#
75
PCI_STOP#
69
MCT1
MCT3
MCT2
MCT4
24
21
18
15
R227
75
GND_45
R20
75
R204
75
R202
75
C263
1000P
MDI0+
MDI0-
MDI1+
MDI1-
MDI2+
MDI2-
MDI3+
MDI3-
13
14
16
17
19
20
22
23
1
2
3
6
4
5
7
8
L512
90Z/100M
32
14
L63
90Z/100M
L68
90Z/100M
L67
90Z/100M
PJTX0+
PJTX0-
PJRX1+
PJRX1-
MDO2+
MDO2-
MDO3+
MDO3-
U507
NS692408
P15
P15
J506
RJ45 LAN Connector
R670
49.9
R667
49.9
C651
0.01µ
GND
R683
49.9
R682
49.9
C668
0.01µ
GND
12
11
9
8
6
5
3
2
1
2
5
6
14
15
18
19
PMDI0+
PMDI0-
PMDI1+
PMDI1-
PMDI2+
PMDI2-
PMDI3+
PMDI3-
8.11 LAN Test Error-2
An error occurs when a LAN device is installed.
U717
LAN
Controller
RTL8100CL
P15
+3V
U709
South Bridge
ICH6-M
P11
LAN_XTAL1
LAN_XTAL2
C682
27P
121
122
C681
27P
X503
25MHZ
R686
1M
U511
93C46
P15
3
4
2
1
C660
DI
DO
SK
CS
GND
VCC
5
8
109
108
111
106
EEDI
EEDO
EECK
EECS
+3V
R696
3.6K
R508
100
R213
0
+AVDDL
+AVDDH
+DVDD
32
14
32
14
32
14
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