MiTAC 7521 PLUS/N 사용자 설명서

133

An error occurs when a PC card device is installed.

PC CARD TEST ERROR

1. Check if the PC CARD device is 

installed  properly.

2. Confirm Pc card driver is installed 

ok.

Test

OK?

Re-test

OK?

Change M/B or go
into board-level
Troubleshooting.

YES

NO

Correct It.

YES

NO

Change the
faulty part
then end.

Board-level

Troubleshooting for
PC CARD test error

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:

U13, U505
U506, RP11
RP12, RP14
RP508, RP511
C279, C280
R566, R564
C275, C274
L43, L40, L38
C159, C122
C123, C138
C147, C139
C152, C146

Try another known
Good PC card device.

AIOWR#/AIORD#
AINPACK#/AREG#
ARDY/AWAIT#
ABVD1/ABVD2
ARESET/AWE#
AVS1/AVS2
ACE1#/ACE2#
A_CD#1/A_CD#2
AOE#/AWP

COMMON 
SIGNALS

SOCKET A
SIGNALS

AD[0:31]
C/BE[0:3]
PAR
TRDY#
IRDY#
RESET#
SERR#
PERR#
STOP#
DEVSEL#
FRAME#
REQ0#
GNT0#
CLKRUN#

BCD[0:15]
BCA[0:25]

BIOWR#/BIORD#
BINPACK#/BREG#
BRDY/BWAIT#
BBVD1/BBVD2
BRESET/BWE#
BVS1/BVS2
BCE1#/BCE2#
B_CD#1/B_CD#2
BOE#/BWP

ACD[0:15]
ACA[0:25]

SOCKET B
SIGNALS