MITAC 8355
Manual de Servicio

8355 N/B MAINTENANCE
8.9 CD-ROM Driver Test Error
Symptom: An error message is shown when reading data from CD-ROM drive.

CD-ROM Driver Test Error

1. Try another known good compact disk. 2. Check install for correctly.

Board-level Troubleshooting

One of the following parts or signals on the motherboard may be defective, use an oscilloscope to check the signals or replace the parts one at a time and test after each replacement. PARTS:
U20 D27 R276 R282 JL512 U510 Q533 Q534 R827 R826 R610 R615 C654 C659 R617 R626 RP13 RP11 RP554 R618 J530 J15

Re-boot OK? No

Yes Replace the faulty parts.

SIGNALS:
+5V_CD PCIRST# ALL_PWROK_5V CDROM_SDCS1# CDROM_SDCS3# CDROM_SDD[0:15] CDROM_SDA2 CDROM_SDDACK# CDROM_SDIOW# CDROM_IRQ15 CDROM_SDA0 CDROM_SDIOR# CDROM_SDA1 CDROM_SDRDY CDROM_RST# CDROM_LED#

Check the CD-ROM driver for proper installation.

Replace Motherboard

Re - Test OK? No

Yes

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