8050D N/B Maintenance

8.9 CD-ROM Test Error

CD-ROM driver can’t run normally,maybe an error message is shown when reading data from CD-ROM.

CD-ROM Driver

Test Error

Test

 

Correct it

 

Document

 

Check the CD-ROM driver for proper

 

Secret

 

 

 

Board-level

 

 

installation.

 

 

Troubleshooting

 

 

 

 

MiTac

 

Check following parts and signals:

No

 

 

Q37

SIORDY

 

Yes

 

 

 

Parts:

Signals:

OK?

 

Confidential

U715

PCIRST#0 CDROM_COMM

 

 

 

 

 

J708

RSTDRV2#

 

 

 

 

 

Q41

SDD[0..15]

 

 

 

 

 

R492

SDA[0..2]

Try another known good compact disk.

Replace

R476

SDIOR#

Motherboard

R909

SDIOW#

 

 

 

SDDACK#

 

 

 

 

 

R833

 

 

 

 

 

R834

SDCS1#

 

 

 

 

 

L723

SDCS3#

 

 

 

 

 

 

SDDREQ

Re - Test

Yes

Replace

 

 

 

IRQ15

 

 

 

+5V

OK?

 

the faulty parts.

 

 

 

+5V_CDROM

CDROM_LEFT

CDROM_RIGHT

No

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