MiTAC 8575 - LAN Test Error

165
8575
8575
N/B Maintenance
N/B Maintenance
8.12 LAN Test Error
An error occurs when a LAN device is installed.
LAN Test Error
Yes
No
Test
OK?
Correct it.
Correct it.
No
Check if BIOS setup is ok.
Re-test
OK?
Board-level
Troubleshooting
Replace
Motherboard
Check the following parts for cold solder or one of the following
parts on the mother-board may be defective, use an oscilloscope
to check the following signal or replace the parts one at a time and
test after each replacement.
Parts: Signals:
1.Check if the driver is installed properly.
2.Check if the notebook connect with the
LAN properly.
Yes
RXIN+
RXIN-
LAN_CT
TXD+
TXD-
PJRX+
PJRX-
PJTX+
PJTX-
PJ8
PJ7
PJ5
PJ4
MIIAVDD
+3V_LAN
LAN_DATAIO
LAN_DCLK
LAN_MTXD[0:3]
LAN_MTXE
LAN_MTXC
LAN_COL
LAN_CRS
LAN_MRXDV
LAN_MRXER
LAN_MRXC
LAN_MRXD[0:3]
OSC25MHI
OSC25MHO
U14
U5
U3
J9
L5
R171
R177
R166
R167
R172
R178
R72
R69
R67
RP6
RP5
X4
L6
L8
R32
L4
R31
R538
R35
R537
X1