Asus MEL - Manual (Page 30)

30 ASUS MEL User’s Manual
18. SMBus Connector (5-1 pin SMB)
This connector allows you to connect SMBus devices. SMBus devices commu-
nicate by means of the SMBus with an SMBus host and/or other SMBus de-
vices. The SMBus or System Management Bus is a specific implementation of
an I
2 C bus, which is a multi-master bus, that is, multiple chips can be connected
to the same bus and each one can act as a master by initiating data transfer.
SMBCLK Ground SMBDA
T
A
+5V
1
MEL SMBus Connector
19. Stereo Audio In Connectors (optional) (4-pin AUX, CD1, CD2)
These connectors allow you to receive stereo audio input from such sound sources
as a TV tuner or MPEG card.
MEL Stereo Audio In Connectors
Left Audio Channel
Right Audio Channel
Ground
Ground
CD2
NOTE: AUX is the same as CD1
AUX CD1
Right Audio Channel
Left Audio Channel
Ground
Ground
For Items 20-26
MEL System Panel Connectors
* Requires an ATX power supply.
PLED
Ground
TB_LED
PWR
+5 V Keylock +5V Speaker
Speaker
Connector
Power LED
Ground
+5 V
Reset SW
SMI Lead
Message LED
ExtSMI#
+3VSB Reset
Ground Ground Ground
Keyboard Lock
ATX Power
Switch*
III. HARDWARE SETUP
Connectors
III. H/W SETUP