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FRU tests
The following table shows the test for each FRU.
Table 9. FRU tests
FRU Applicable test
System board 1. Diagnostics --> CPU/Coprocessor
2. Diagnostics --> Systemboard
Power Diagnostics --> ThinkPad Devices --> AC Adapter, Battery 1
(Battery2)
LCD unit 1. Diagnostics --> Video Adapter
2. Interactive Tests --> Video
Modem daughter card
(MDC-1.5)
1. Make sure the modem is set up correctly.
2. Replace the modem jack and the modem card in turn, and run
the following tests in Diagnostics --> Communication:
a. Conexant Smart Modem Interrupt
b. Conexant Smart Modem Dialtone
Audio Enter the BIOS Setup Utility and change Serial ATA (SATA) setting
to Compatibility, and run Diagnostics --> Other Devices -->
Analog Devices HDA CODEC Test
Speaker Interactive Tests --> Internal Speaker
Note: Once Modem/Audio test is done, the no sound is heard
this test. In this case, turn off and turn on the computer. Then, run
this test again.
PC Card slot Diagnostics --> Systemboard --> PCMCIA
ExpressCard slot 1. Insert a PCI-Express/USB Wrap card into the ExpressCard slot.
2. Turn on the computer.
3. Run Diagnostics --> ThinkPad Devices --> ExpressCard slot.
Keyboard 1. Diagnostics --> Systemboard --> Keyboard
2. Interactive Tests --> Keyboard
Hard disk drive Enter the BIOS Setup Utility and change Serial ATA (SATA) setting
to Compatibility, and run Diagnostics --> Fixed Disks
Diskette drive 1. Diagnostics --> Diskette Drives
2. Interactive Tests --> Diskette
DVD drive or
DVD/CD-RW combo
drive
1. Diagnostics --> Other Devices--> Optical Drive
2. Interactive Tests --> Optical Drive Test
Memory 1. If two DIMMs are installed, remove one of them and run
Diagnostics --> PM Memory.
2. If the problem does not recur, return the DIMM to its place,
remove the other one, and run the test again.
Fan 1. Turn on the computer and check the air turbulence at the
louver near the PC Card slot.
2. Run Diagnostics --> ThinkPad Devices --> Fan.
54 ThinkPad SL300 Hardware Maintenance Manual