WIN Enterprises MB-73440, User Manual, Page: 47 / 82

Copyright © WIN Enterprises, Inc. MB-73440
45
Signal Pin Description I/O PU/PD Comment
LID# A103
LID button. Low active signal used by the
ACPI operating system for a LID switch.
I OD 3.3VSB
PU 10k
3.3VSB
Emulated on GPIO
(BIOS)
SLEEP# B103
Sleep button. Low active signal used by the
ACPI operating system to bring the system
to sleep state or to wake it up again.
I OD 3.3VSB
PU 10K
3.3VSB
Emulated on GPIO
(BIOS)
4.4.18. Power and Ground
Signal Pin Description I/O PU/PD Comment
VCC_12V
A104-A109
B104-B109
Primary power input: +12V nominal
(5 ~ 20V wide input). All available
VCC_12V pins on the connector(s)
shall be used.
P 5~20 V
VCC_5V_SBY B84-B87
Standby power input: +5.0V
nominal. If VCC5_SBY is used, all
available VCC_5V_SBY pins on the
connector(s) shall be used. Only
used for standby and suspend
functions. May be left unconnected
if these functions are not used in the
system design.
P 5Vsb ±5%
VCC_RTC A47
Real-time clock circuit-power input.
Nom3.0V.
P
GND
A1, A11, A21,
A31, A41, A51,
A57, A66, A80,
A90, A96, A100,
A110, B1, B11,
B21 ,B31, B41,
B51, B60, B70,
B80, B90, B100,
B110
Ground - DC power and signal and
AC signal return path.
P