ATX 12V Power
Connector
(8-pin ATX12V1)
(see p.1, No. 2)
(8-pin ATX12V2)
(see p.1, No. 3)
SLI/XFIRE Power
Connector
(4-pin SLI/XFIRE_
PWR1)
(see p.1, No. 38)
(4-pin SLI/XFIRE_
PWR2)
(see p.1, No. 37)
Infrared Module Header
(5-pin IR1)
(see p.1, No. 40)
Serial Port Header
(9-pin COM1)
(see p.1, No. 39)
This motherboard
8
5
provides two 8-pin ATX
12V power connectors. To
4
1
use a 4-pin ATX power
supply, please plug it along
Pin 1 and Pin 5.
Please connect this
connector with a hard
disk power connector
when two graphics cards
are installed on this
motherboard.
This header supports an optional
IRTX
+5VSB
DUMMY
wireless transmitting and
receiving infrared module.
1
GND
IRRX
This COM1 header
RRXD1
DDTR#1
DDSR#1
supports a serial port
CCTS#1
module.
1
RRI#1
RRTS#1
GND
TTXD1
DDCD#1
Z87 Extreme11/ac
35