Asus A88X-PLUS/USB 3.1 A88X-PLUS/USB 3.1 Users manual English - Page 13

RXD DTR DSR CTS 10. Serial port connector (10-1 pin COM) This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. COM PIN 1 DCD TXD GND RTS RI 11. Front panel audio connector (10-1 pin AAFP) AGND NC SENSE1_RETUR SENSE2_RETUR 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. AAFP PIN 1 AGND NC NC NC MIC2 MICPWR Line out_R NC Line out_L PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L • 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]. HD-audio-compliant Legacy AC'97 pin definition compliant definition 12. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for an additional Sony/Philips Digital Interface (S/ PDIF) port. Connect the S/PDIF Out module cable to this connector, then install the module to a slot opening at the back of the system chassis. +5V SPDIFOUT GND SPDIF_OUT 13. PCI slots The PCI slots support cards such as LAN card, SCSI card, USB card, and other cards that comply with the PCI specifications. 14. PCI Express 3.0/2.0 x16 slots This motherboard supports two PCI Express 3.0/2.0 x16 graphic cards that comply with the PCI Express specifications. VGA configuration Single VGA/PCIe card Dual VGA/PCIe cards PCI Express operating mode PCIe 3.0 / 2.0 x16_1 (gray) PCIe 2.0 x16_2 x16 (Recommended for single VGA card) N/A x16 x4 ASUS A88X-PLUS/USB 3.1 1-5