
SYSTEM BOARD CONNECTORS
Green PC Connectors
Descriptions
W1
pins
W1
pins
Descriptions
No Connection.
1
6
Keyboard P12 to control
video card VSYNC. This
pin should be connected
to pin 12 of VGA Feature
connector.
Keyboard P12 to enable/
disable video signals.
This pin should be
connected to pin 18 of
VGA Feature connector.
2
7
Keyboard P12 to control
video card HSYNC. This
pin should be connected
to pin 11 of VGA Feature
connector.
Keyboard P13 (General
Purpose). When this pin
is at low level, it can
switch other system
device to stand-by mode
for saving power.
3
8
No Connection.
Keyboard P10 (General
Purpose). When this pin
is at low level, it can
switch other system
device to stand-by mode
for saving power.
4
9
Power Stand-By Mode
LED pull-up. Connect a
LED to pin 9 and 10.
When the LED light is on,
power saving mode is
engaged.
Ground
5
10
Keyboard P11 to turn on
stand-by mode LED.
System power down can be invoked by shorting pin 1 to pin 2 of jumper
"
GREEN
" located near CPU. Make sure the BIOS Power Management
Setup options are enabled. Connect a 2-position switch from the front
panel to this jumper for manual control.
486MI System Board User's Manual Page 13