MSI Keeper 945GME V2.1 User Manual
Page 32
M S-9641 M ainboard
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. W DTO# to Bypass Control Mask Register
Mask WDTO# input for bypass mode
W hen W DTO# 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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