8050D N/B Maintenance

8.15 IEEE 1394 Test Failure

An error occurs when a IEEE 1394 device is installed..

IEEE 1394 Fail

1. Check if the 1394 device is installed

Secret

 

 

2. Confirm 1394 driver is installed ok.

 

 

 

properly.

 

 

 

Document

 

 

Yes

 

 

 

 

 

 

Board-level

Check following parts and signals:

 

 

 

MiTac

 

U722

PCI_C/BE# [0..3]

 

 

 

Troubleshooting

Parts:

 

Test

 

ConfidentiaMotherboardl

 

PCI_PAR

OK?

 

 

Correct it.

 

U724

PCI_AD[0..31]

No

 

 

 

 

J718

PC_DEVSEL#

 

 

 

 

U9

 

 

 

 

 

U712

PCI_FRAME#

 

 

 

 

 

U715

PCI_IRDY#

Check if BIOS setup is ok.

 

 

 

L743

 

 

 

PCI_TRDY#

 

 

 

L746

 

 

 

Replace

L740

PCI_STOP#

 

 

 

 

 

L83

 

 

 

 

 

 

R1117

PCI_PERR#

 

 

 

 

 

R828

 

Yes

 

 

 

PCI_REQ1#

Re-test

 

Correct it.

 

R1116

 

 

 

R1142

PCI_PME#

OK?

 

 

 

 

 

 

 

R1141

+3V,+3VS

 

 

 

 

 

X707

 

 

 

 

 

 

No

+PHYVDD

 

1394_PCIRST# PCI_GNT1#EE CS_1394 EECK_1394 EEDI_1394 EEDO_1394

TPBIAS TPA+_6307 TPA-_6307 TPB+_6307 TPB-_6307 1394_AVCC XI

XO

135