Asus M5A78L User Manual - Page 32
Internal connectors
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7. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 8. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports connect to USB 2.0 devices. 9. Serial port. This 9-pin COM1 port is for pointing devices or other serial devices. 10. PS/2 Keyboard port (purple). This port is for a PS/2 keyboard. 1.10.2 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 High Definition Audio or AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector. GND PRESENCE# SENSE1_RETUR SENSE2_RETUR AGND NC NC NC M5A78L Series AAFP PIN 1 PIN 1 MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L HD-audio-compliant Legacy AC'97 pin definition compliant definition M5A78L Series Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard high-definition audio capability. • If you want to connect a high definition front panel audio module to this connector, set the Front Panel Select item in the BIOS to [HD Audio]. See section 2.4.4 Onboard Devices Configuration for details. • The front panel audio I/O module is purchased separately. 1-22 Chapter 1: Product introduction