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21
English
Serial Port Header
(9-pin COM1)
(see p.6, No. 21)
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1
This COM header supports a
serial port module.
Backplane PCI Express
Hot-Plug Connector
(5-pin CPU1_HSBP1)
(see p.6, No. 9)
1
+3V
GND
P0_HP_ALERT_L
CPU_HP_SDA
CPU_HP_SCL
This header is used for the hot
plug feature of HDDs on the
backplane.
Thermal Sensor Header
(3-pin TR1)
(see p.6, No. 20)
1
TR1
TR1
GND
Please connect the thermal
sensor cable to either pin 1-2
or pin 2-3 and the other end to
the device which you wish to
monitor its temperature.
Clear CMOS Pads
(CLRMOS1)
(see p.6, No. 23)
This allows you to clear the
data in CMOS. To clear CMOS,
take out the CMOS battery and
short the Clear CMOS Pad.
