Express-SL2
Pinouts and Signal Descriptions
21
3.3.16. Power and Ground
Signal
Pin #
Description
I/O PU/PD
Comment
VCC_12V A104-A109
B104-B109
Primary power input: +12V nominal (wide range
5 ~ 20V).
All available VCC_12V pins on the connector(s)
shall be used.
P
8.5-20
V
VCC_5V_S
BY
B84-B87
Standby power input: +5.0V nominal. See section
7 “Electrical Specifications“ for allowable input
range. 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. Nominally
+3.0V.
P
GND
A1, A11, A21, A31, A41,
A51, A57, A60, A66, A70,
A80, A90, 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
Summary of Contents for Express-SL2
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Page 32: ...26 Pinouts and Signal Descriptions This page intentionally left blank ...
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Page 46: ...40 Smart Embedded Management Agent SEMA This page intentionally left blank ...
Page 52: ...46 System Resources This page intentionally left blank ...
Page 78: ...72 BIOS Setup This page intentionally left blank ...
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