Acer 420 - Manual (Page 62)

54 Chapter 2
Running Diagnostics Program
1. RTC Function Test
Run the RTC Function Test program.
2. PIO Loop Back Test
Insert PIO loopback fixture to main board PIO connect then run the testing program.
3. CD-ROM Function Test
Insert a data CD to CD-ROM drive. Then check the CD-ROM drive function with CD-ROM Function Test.
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SG_TM420_Ch2.fm Page 54 Thursday, September 26, 2002 9:40 AM