ASRock Z87 Extreme9__ac - Manual (Page 34)

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Z87 Extreme9/ac
SLI/XFIRE Power
Connector
(4-pin SLI/XFIRE_
PWR1)
(see p.1, No. 30) Please connect this
connector with a hard
disk power connector
when two graphics cards
are installed on this
motherboard.
Infrared Module Header
(5-pin IR1)
(see p.1, No. 29) This header supports an optional
wireless transmitting and
receiving infrared module.
Serial Port Header
(9-pin COM1)
(see p.1, No. 31) This COM1 header
supports a serial port
module.
GND
IRRX
DUMMY
+5VSB
IRTX
1
CCTS#1
RRTS#1
DDSR#1
DDTR#1
RRXD1
GND
TTXD1
DDCD#1
1
RRI#1