1.7.2
Internal connectors
1.
Front panel audio connector (10-1 pin AAFP)
This connector is for a chassis-mounted front panel audio I/O module that supports
either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.
B75M-PLUS
B75M-PLUS Front panel audio connector
•
We recommend that you connect a high-definition front panel audio module to this
connector to avail of the motherboard's high-definition audio capability.
•
If you want to connect a high-definition front panel audio module to this connector,
set the Front Panel Type item in the BIOS setup to [HD]. If you want to connect an
AC'97 front panel audio module to this connector, set the item to [AC97]. By default,
this connector is set to [HD]. See section 2.5.7 Onboard Devices Configuration for
details.
2.
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V)
These connectors are for ATX power supply plugs. The power supply plugs are
designed to fit these connectors in only one orientation. Find the proper orientation and
push down firmly until the connectors completely fit.
B75M-PLUS
B75M-PLUS ATX power connectors
ASUS B75M-PLUS
AAFP
PIN 1
HD-audio-compliant
pin definition
ATX12V
EATXPWR
+3 Volts
+12 Volts
+12 Volts
+5V Standby
Power OK
PIN 1
GND
+5 Volts
GND
+5 Volts
GND
+3 Volts
+3 Volts
PIN 1
PIN 1
Legacy AC'97
compliant definition
GND
+5 Volts
+5 Volts
+5 Volts
-5 Volts
GND
GND
GND
PSON#
GND
-12 Volts
+3 Volts
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