176
8175 N/B MAINTENANCE
8175 N/B MAINTENANCE
An error occurs when a LAN device is installed.
8.15 LAN Test Error
TX+
TX-
RX+
RX-
10
9
16
15
TXC
RXC
11
14
U2
2
1
5
4
8
7
6
3
J9
RJ45
U4
LANPHY
RTL8139CL
U17
ICH2
82801BA
P
17
-DEVSEL,-STOP,-PCI_INTD
+3V
+3V_ICH
R158
4.7K
A
B
GNT
VCC
Y 4
5
U16
1
2
3
-PCIRST
-PCIRST_MSK
Q15
NC7S32
R31 0
115
U508
H8
F3437
Q512
DTC144WK
3
2
1
48
83
LAN_WAKE
U507
ICS950805
116
PCICLK_LAN
R610 33
11
-CBE[0:3]
AD[0:31],-PCI_REQ1,-PCI_GNT1
-PCI_IRDY,-PCI_TRDY,-FRAME
L12
120Z/100M
+3V_LAN
L10
L9
AVDD_LAN
RXIN-
RXIN+
86
87
R549
51
R555
51
C577
0.1U
2
1
3
4
1
2
RD+
RD-
RDC
L513
PLP3216A
TXD+
TXD-
7
8
TD+
TD-
92
91
2
1
3
4
EECS
MA2
MA0
MA1
1
2
3
4
C69
0.1u
8
5
CS
SK
DI
DO
VCC
GND
U5
93C468
3V_LAN
50
49
48
47
XTALOUT
X501
25MHZ
3
2
4
1
C585
10P
C584
10P
79
78
XTALIN
3
C40
0.1U
6
C567
22P
L508
PLP3216A
R541
51
C572
22P
R542
51
PJTX+
PJTX-
PJRX+
PJRX-
R12 75
R17 75
R530 75
R531 75
C566
1000P
PJ4
PJ7
U7
PC14410GHK
75
R32 0
-PCLKRUN
L8
PLP3216A
L_AGND
H0011
XFMR_H0009
-PCIRST_N
77,90,96
AVDD_LAN
L511
P
16
AVDD_LAN
R15 0
C39
0.1U
P
13
P
19
P
15
P
8