Owner's Manual

MS-9641 Mainboard
2-20
Signal Action
Segment Signal Name Description Type Bypass Pass Through
RELAY_SET1# Enable LAN1 bypass Output 1 0
RESET_RESET1# Enable LAN1 bypass Output 0 1
Segment 1
BYPASS1_LED# Enable LAN1 bypass LED Output 1 0
RELAY_SET2# Enable LAN2 bypass Output 1 0
RESET_RESET2# Enable LAN2 bypass Output 0 1
Segment 2
BYPASS2_LED# Enable LAN2 bypass LED Output 1 0
RELAY_SET3# Enable LAN3 bypass Output 1 0
RESET_RESET3# Enable LAN3 bypass Output 0 1
Segment 3
BYPASS3_LED# Enable LAN3 bypass LED Output 1 0
RELAY_SET4# Enable LAN4 bypass Output 1 0
RESET_RESET4# Enable LAN4 bypass Output 0 1
Segment 4
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
1 to 4
WDTO# to Bypass Control Segment bit mask. Each bit
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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