Asus A7M266 A7M266 User Manual - Page 40

ASUS A7M266 User's Manual, USB Headers 10-1 pin USBPORT, SMBus Connector 5-1 pin SMB

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3. H/W SETUP Connectors 01 01 01 01 3. HARDWARE SETUP 16) USB Headers (10-1 pin USBPORT) If the USB port connectors on the back panel are inadequate, two USB headers are available for two additional USB port connectors. Connect the USB headers to an optional 2-port USB connector set and mount the bracket to an open slot on your chassis. USB Power USBP3- USBP3+ GND A7M266 ® USBPORT 10 6 5 1 USB Power USBP2- USBP2+ GND NC A7M266 USB Port Recommended Setup: Use USBPORT with the bundled 2-port connector set. 17) SMBus Connector (5-1 pin SMB) This connector allows you to connect SMBus (System Management Bus) devices. SMBus devices communicate by means of the SMBus with an SMBus host and/or other SMBus devices. SMBus is a specific implementation of an I2C 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 A7M266 ® A7M266 SMBus Connector 1 SMB 40 ASUS A7M266 User's Manual

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40
ASUS A7M266 User’s Manual
Connectors
3. H/W SETUP
3. HARDWARE SETUP
16) USB Headers (10-1 pin USBPORT)
If the USB port connectors on the back panel are inadequate, two USB headers
are available for two additional USB port connectors. Connect the USB headers
to an optional 2-port USB connector set and mount the bracket to an open slot
on your chassis.
0
1
0
1
A7M266
A7M266 USB Port
USBPORT
USB Power
USBP2–
USBP2+
GND
NC
USB Power
USBP3–
USBP3+
GND
1
5
6
10
17) 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
0
1
0
1
A7M266
A7M266 SMBus Connector
SMB
Recommended Setup:
Use USBPORT with the bundled 2-port connector set.