Mitsubishi Electronics FC810 manual Link 1-2 and 3-4 when 5V standby rail is not available

￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿ ￿

1	Chasis Intrusion Header	15	Graphics and memory	C	RJ45
	PL17		controller hub (GMCH)
2	Hard Switch PSU jumper	16	4MB display cache	D	USB (Dual)
	PL18
3	Front panel	17	PCI expansion slots	E	Serial Port 1
			PL10,11,12,13
4	Floppy disk PL21	18	Debug connector PL15	F	VGA
5	Main power PL19	19	System fan power PL9	G	Parallel
6	Primary IDE Controller PL22	20	CPU fan power PL8	H	Line output
7	Secondary IDE Controller	21	Processor	I	Line input
	PL16
8	Super I/O	22	LAN controller	J	Mic input
9	Firmware Hub (FWH)	23	ATAPI audio LINE in (natural)	K	MIDI & Joystick
			PL5
10	Buzzer	24	ATAPI CD audio in (green)	L	Speed LED (Yellow)
			PL6
11	Main(￿￿￿)￿￿￿￿￿￿￿￿￿memory DIMMs MM1,2 *￿&+%25		￿￿￿￿￿￿￿￿￿￿￿￿￿ATAPI telephony)￿￿￿￿(black) PL7￿￿,￿￿￿￿￿￿M		Link/Activity+#￿	LED (Green)
12	Lithium Cell (CR2032)	26	AC’97 Audio controller
13	I/O controller hub (ICH)	A	Keyboard
14	Clock synth	B	Mouse

Not fitted		Normal operation
1-2		Forces processor to lowest multiplier (x2)
￿￿￿￿2-3	￿-￿￿￿￿Debug￿￿-￿￿Mode￿￿￿￿￿￿*(To be Determined)￿&+#￿￿￿￿￿￿￿￿￿￿￿￿￿Normal )￿￿￿￿Operation			$￿Clear CMOS
			￿￿,￿￿￿￿￿￿

Link 1-2 and 3-4 when 5V standby rail is not available

	3	4
	1	2
PL19	PL18

MITSUBISHI ELECTRIC MOTHERBOARD DIVISION PAGE 13 OF 45