FIC a440 服务手册
Troubleshooting and Repair
FIC A440 Series Service Manual
6-17
6.4.6 HDD Interface Check
6
Check BIOS Setup
Menu
Enter correct HDD type or set
to AUTO
Check if HDD is
properly formatted
Use DOS FDISK and
FORMAT
Check HDD Power
Check I/O board, CN612 Pin2,
3, 4
Check HDD Data
Bus
Check I/P board CN612
END
NO
YES
NO
NO
NO
YES
YES
Check HDD Address
Bus
Check I/O Board CN612,
Pin10,12,9,PDA0,PDA1,PDA2
NO
YES
YES
Figure 6-5
HDD Interface Check
6.4.7 Internal Keyboard Check
7
Check the keyboard
FPC cable
Check FPC cable if
broken or not
Check Keyboard
Interrupt
Check U26
Pin 23, IRQ1
Check Keyboard
scanning signals
scanning signals
Check K/B connector
and check AIO to AMB
connector
END
NO
YES
NO
NO
YES
YES
Figure 6-6
Internal Keyboard Check