Matsushita CF-Y5LWVYZ 1 2 service manual Enhancing, Place with possibili

7.1. Test Item and Division of trouble

Test item	Stanard	Enhancing	Content of standard test	Content of enhancing test	Place with possibili-
					ty of breakdown
CPU /			CPU is shifted to protected mode, and		CPU /
SYSTEM			"Violation of the paging", "Operation of		Main board
			the violation of a privileged instruc-
			tion", and DMA, INT, TIMER, and the
			RTC operation are confirmed.
RAM			All memory space is tested in a spe-		Memory / Main-
			cial memory access pattern based on		board
			"R.S.T . technology".
HDD			The record area frequently accessed	All record area is tested.	HDD /
			with Microsoft Windows XP to test in		Mainboard /
			about two minutes regardless of		Cable /
			points of HDD is emphatically tested.		Connector
MODEM			It is confirmed not to find abnormality		MODEM/ Main-
			in the AC97 modem controller.		board
Wireless			It is confirmed not to find abnormality		Wireless LAN
			in the Wireless LAN modem controller.
LAN					board /
					Connector /
					Mainboard
Sound *5
USB			It is confirmed not to find abnormality	It is confirmed not to find ab-	Mainboard /
			in the USB controller.	normality in the wiring be-	Connector
		*1		tween the USB controller and
				the connector by confirming
				the connection of the USB
				equipment connected with the
				USB connector.
LAN			It is confirmed not to find abnormality	It is confirmed not to find ab-	Mainboard /
		*2	in the LAN controller.	normality in the wiring be-	Connector
				tween the controller and the
				connector by connecting to
				HUB with LAN cable.
PC Card			It is confirmed not to find abnormality		Mainboard
			in the CardBus controller.
SD			It is confirmed not to find abnormality		Mainboard
			in the SD controller.
Keyboard		*3	It is confirmed not to find abnormality	The key is actually input, and	Mainboard /
			in keyboard controller’s keyboard inter- the operation is displayed on		Keyboard
			face.	the screen.
Touch Pad		*4	Whether keyboard controller’s mouse	The operation is actually dis-	Mainboard /
			interface operates normally is con-	played on the screen by oper-	Touch Pad
			firmed.	ating the touch pad.
DVD-ROM		*6	The drive is normally reset, and it is	It is confirmed to be able to	Mainboard /
			accessible is confirmed.	read media normally.	Touch Pad

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