133

80
8050QMA
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
MiTac Secret
Confidential Document