IBM R400 manual FRU tests

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
	3.	If the ThinkPad Advanced Dock, the ThinkPad Advanced Mini
		Dock or the ThinkPad Essential Port Replicator is attached to
		the ThinkPad computer, detach it. Place the computer on a
		horizontal surface, and run Diagnostics --> ThinkPad Devices
		-->HDD Active Protection Test.
		Note: Do not apply any physical shock to the computer while
		the test is running.
Power	Diagnostics -->ThinkPad Devices -->AC Adapter, Battery 1
	(Battery2)
LCD unit	1.	Diagnostics -->Video Adapter
	2.	Interactive Tests -->Video
Modem daughter card	1. Make sure the modem is set up correctly.
(MDC-3.0)	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 Device -->
	Conexant Audio
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
	You can also diagnose the hard disk drive without starting up the
	operating system. To diagnose the hard disk drive from the BIOS
	Setup Utility, do as follows:
	1.	Remove any diskette from the diskette drive, and then turn off
		the computer.
	2.	Turn on the computer.
	3.	While the message, “To interrupt normal startup, press the
		blue ThinkVangate button,” is displayed at the lower left of the
		screen, press F1 to enter the BIOS Setup Utility.
	4.	Using cursor keys, select HDD diagnostic program. Press
		enter.
	5.	Using cursor keys, select Main hard disk drive or Ultrabay
		hard disk drive.
	6.	Press Enter to start the diagnostic program.
Diskette drive	1.	Diagnostics -->Diskette Drives
	2.	Interactive Tests -->Diskette

54ThinkPad T400 and R400Hardware Maintenance Manual