MSI Keeper 945GME MS-9641 Mainboard Signal Action, Segment Signal Name Description Type Bypass

MS-9641 Mainboard

Signal Action

Segment	Signal Name	Description	Type	Bypass	Pass Through
	RELAY_SET1#	Enable LAN1 bypass	Output	1	0
Segment 1	RESET_RESET1#	Enable LAN1 bypass	Output	0	1
	BYPASS1_LED#	Enable LAN1 bypass LED	Output	1	0
	RELAY_SET2#	Enable LAN2 bypass	Output	1	0
Segment 2
	RESET_RESET2#	Enable LAN2 bypass	Output	0	1
	BYPASS2_LED#	Enable LAN2 bypass LED	Output	1	0
	RELAY_SET3#	Enable LAN3 bypass	Output	1	0
Segment 3
	RESET_RESET3#	Enable LAN3 bypass	Output	0	1
	BYPASS3_LED#	Enable LAN3 bypass LED	Output	1	0
	RELAY_SET4#	Enable LAN4 bypass	Output	1	0
Segment 4	RESET_RESET4#	Enable LAN4 bypass	Output	0	1
	BYPASS4_LED#	Enable LAN4 bypass LED	Output	1	0

2.WDTO# to Bypass Control Mask Register Mask WDTO# input for bypass mode

When WDTO# pin inputs 0, watchdog timeout occurs. This register sets watchdog timeout behavior for Segment 1~4.

WDTO# - Input from Super I/O WDTO# Default Value: 0x00

WDTO# to Bypass Control Mask Register

7		6	5	4		3	2		1	0
X		R/W	R/W		R/W	R/W	R/W		R/W	R/W
GPIO sel		SMI	Reset	Path sel		Segment 4	Segment 3		Segment 2	Segment 1
	WDTO# Input				Segment bit (bit 0~4)			Mode
	0				1			No Change
	0				0			Bypass
	1				X			No Change

Bit Definition

		WDTO# to Bypass Control Mask Register
Bit Field	Name				Value
3：0	Segment		WDTO# to Bypass Control Segment bit mask. Each bit
	1 to 4		corresponds to a specific segment numbered 1 thru 4.
			Read/Write：
			1: When WDTO# active, then set Segment Bypass Mode
			0: When WDTO# active, no action
4	Path sel		0：LPC Control LAN
			1：GPIO Control LAN
5	reserved
6	reserved
7	GPIO sel		0：GPIO38 and GPIO39 ：control LAN1，LAN2
			（1→ BYPASS	0→Pass Through）
			1：GPIO38 control LAN1，GPIO39 control LAN2 ：
			（GPIO38：1→ BYPASS		0→Pass Through
			GPIO39：1→ BYPASS		0→Pass Through）

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