Asus RAMPAGE IV EXTREME User Manual page 62

11. 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.
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12. ATX power connectors (24-pin EATXPWR; 4-pin EATX12V_1; 8-pin EATX12V_2)
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.
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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 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].
Chapter 2: Hardware information