MiTAC 8050QMA Manuel de service télécharger pdf (Page 135)

134

50QMA

N/B Maintenance

Re-test

OK?

Test

OK?

PC Card Socket Failure

1. Check if the PC Card device is installed

properly.

2. Confirm PC Card driver is installed ok.

Yes

Change the faulty

part then end.

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:

U715

U709

U509

R625

R604

R240

Try another known good PC

Card or device.

Correct it

Board-level

Troubleshooting

Signals

PCI_REQ0#

PCI_SERR#

PCI_PERR#

PCI_DEVSEL#

PCI_FRAME#

PCI_IRDY#

PCI_TRDY#

PCI_STOP#

PCLKRUN#

PCI_PME#

PCI_GNT0#

PIC_PAR

PCI_AD[0..31]

PCI_C/BE#[0..3]

VCC5_EN#

VCC3_EN#

VPPD0

VPPD1

8.12 PC Card Socket Test Error-1

An error occurs when a PC card device is installed.

Replace

Motherboard

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MiTAC 8050QMA Manuel de service Page 135

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