MiTAC 8355 service manual PC Card Test Error, Parts

Models: 8355

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8355 N/B MAINTENANCE

8.11 PC-Card Socket Failure

Symptom : 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.

Board-level

Troubleshooting

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.

Test

Yes

Correct it

OK?

 

No

Try another known good PC card device.

Re-test

Yes

Change the faulty

 

OK?

 

part then end.

 

 

 

 

 

 

No

 

 

 

 

 

 

 

Replace

Motherboard

Parts:

U20

U514

U22

J532

R702

R713

R365

R701

R822

R720

R303

R295

R21

Signals

PCI_AD[0:31]

C/BE# [0:3]

PCICARDBUS_REQ0# PCI_FRAME# PCI_IRDY# PCI_TRDY#

PCI_DEVSEL# PCI_STOP#

PCIINTB#

PCIRST# PCICARDBUS_GNT0# PCI_SERR#

PCI_CLKRUN#

CAD[0:31] VCC5-EN# CCBE# [0:3] VCC3-EN#

CREQ# VPPD0 VPPD1

CFRAME# +CARD-VCC

CIRDY# +VPPOUT CTRDY#

CDEVSEL#

CSTOP#

CGNT#

CRST#

CSERR#

CPAR#

CPERR#

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Page 149
Image 149
MiTAC 8355 service manual PC Card Test Error, Parts