MiTAC 8050QMA - Manual (Page 126)

125
80 80 50QMA 50QMA N/B Maintenance N/B Maintenance
8.8 CD-ROM Drive Test Error-1
An error message is shown when reading data from CD-ROM drive.
CD-ROM Driver
Test Error
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.
Yes
No
Parts: Signals:
Test
OK?
Replace the faulty parts.
1. Try another known good compact disk.
2. Check install for correctly.
Check the CD-ROM drive for
proper installation.
No
Re - Test
OK?
U709
J710
L49
D27
C198
C208
C209
R198
R414
R441
R558
Yes
Board-level
Troubleshooting
+5VS
+5VS_CDROM
SD_D[0..15]
SDA1
IDEIRQ
SDDACK#
SIORDY
SDIOW#
SDDREQ
SDIOR#
SDA0
SDCS1#
SDCS3#
SDA2
End
Replace
Motherboard
MiTac Secret
Confidential Document