ASROCK FM2A88X Extreme6, User Manual, Page: 30 / 80

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Serial port Header This COM1 header supports a
(9-pin COM1)
serial port module.
(see p.10 No. 26)
ATX 12V Power Connector Please connect an ATX 12V
(8-pin ATX12V1)
power supply to this connector.
(see p.10 No. 1)
Though this motherboard provides 8-pin ATX 12V power connector, it can still work
if you adopt a traditional 4-pin ATX 12V power supply. To use the
4-pin ATX power supply, please plug your power supply along with
Pin 1 and Pin 5.
4-Pin ATX 12V Power Supply Installation
4 8
1 5
4 8
1 5
Chassis Intrusion Header This motherboard supports
(2-pin CI1)
CASE OPEN detection feature
(see p.10, No. 25)
that detects if the chassis cover
has been removed. This feature
requires a chassis with chassis
intrusion detection design.
1
Signal
GND
XFire Power Connector It is not necessary to use this
(4-pin CROSS_FIRE_PWR1)
connector, but please connect it
(see p.10 No. 29)
with a hard disk power
connecor when two graphics
cards are plugged to this
motherboard.
CROSS_FIRE_PWR1