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40 ASUS CUC2000 User’s Manual
Connectors
3. H/W SETUP
3. HARDWARE SETUP
The following PANEL illustration is used for items 20–26 (next page).
CUC2000
®
CUC2000 System Panel Connectors
*
Requires an ATX power supply.
PLED
Ground
MLED
PWR
+5 V
Keylock
+5V
Speaker
Speaker
Connector
Power LED
Ground
+5 V
Reset SW
SMI Lead
Message LED
ExtSMI#
Ground
Reset
Ground
Ground
Ground
Keyboard Lock
ATX Power
Switch*
19) SMBus Connector (5-1 pin SMB)
This connector allows you to connect SMBus (System Management Bus) de-
vices. SMBus devices communicate by means of the SMBus with an SMBus
host and/or other SMBus devices. SMBus is a specific implementation of an I
2
C
bus, which is a multi-device 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
SMBDATA
+5V
1
CUC2000 SMBus Connector
SMB
CUC2000
®