INSTALLATIONS
TL-EMBSBC 795 User’s Manual
19
J17: System Function Connector
J17 provides connectors for system indicators that provide light
indication of the computer activities and switches to change the
computer status. J17 is a 20-pin header that provides interfaces for the
following functions.
Hard Disk Drive LED
Reset Switch
Reserved
ATX Power On Switch
SMI / Hardware Switch
Speaker
Power LED
Speaker: Pins 1 - 4
This connector provides an interface to a speaker for audio
tone generation. An 8-ohm speaker is recommended.
Pin #
Signal Name
1
Speaker out
2
No connect
3
Ground
4
+5V
Power LED: Pins 11 - 13
The power LED indicates the status of the main power
switch.
Pin #
Signal Name
11
Power LED
12
No connect
13
Ground
Содержание TL-EMBSBC 795
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