Asus Motherboard DSBF-DE/SAS - Manual (Page 59)

ASUS DSBF-DE Series -
9. Serial port connector (10-1 pin COM2)
This connector is for a serial (COM) port. Connect the serial port module
cable to this connector, then install the module to a slot opening at the back
of the system chassis.
The serial port module is purchased separately.
®
DSBF-DE Series Serial port connectors
PIN 1
COM2
8. Backplane SMBus connector (7-1 pin BPSMB1)
This connector allows you to connect SMBus (System Management Bus)
devices. Devices communicate with an SMBus host and/or other SMBus
devices using the SMBus interface.
®
DSBF-DE Series BPSMB connector
BPSMB1
1
12CDA
T
P2
GND FAN_PW
M
+5V I2CCLK P2 FAN_DC1