Asus PRIME A320M-K - Internal Audio and Expansion Slots

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Chapter 1: Product introduction
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.
• We recommend that you connect a high-denition front panel audio module to this
connector to avail of the motherboard’s high-denition audio capability.
• If you want to connect a high-denition front panel audio module to this connector,
set the Front Panel Type item in the BIOS setup to [HD Audio]. 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 Audio].
PCI Express 2.0 x1 slots
This motherboard has two PCI Express 2.0 x1 slots that support PCI Express x1
network cards, SCSI cards, and other cards that comply with the PCI Express
specications.
PCI Express 3.0 / 2.0 x16 slot
This motherboard supports one PCI Express 3.0 / 2.0 x16 graphic card that
complies with the PCI Express specications.
IRQ assignments for this motherboard
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.
SPDIF_OUT
+5V SPDIFOUT GND
PIN 1
A B C D E F G H
PCIEx16_1 – – – shared – – – –
PCIEx1_1 shared – – – – – – –
PCIEx1_2 – – – shared – – – –
M.2 – – – shared – – – –
APU USB3.1 Gen 1 XHCI
controller
– – shared – – – – –
AMD Promonotry Chip
XHCI controller
shared – – – – – – –
SATA controller – – – shared – – – –
HD audio controller – – – – – – shared –
Realtek LAN controller – – shared – – – – –
• For AMD AM4 A-series/Athlon™ Series processors