Asus prime B250M-K, Manual

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1-4 Chapter 1: Product introduction
A B C D
HD Audio shared – – –
XHCI Controller shared – – –
SATA Controller shared – – –
Realtek LAN Controller – – – shared
PCIEx16 shared – – –
PCIEx1_1 shared – – –
PCIEx1_2 – shared – –
M.2 shared – – –
• 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 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 3.0/2.0 x1 slots
This motherboard supports two PCI Express x1 network cards, SCSI cards, and
other cards that comply with the PCI Express specifications.
PCI Express 3.0/2.0 x16 slot
This motherboard has a PCI Express 3.0/2.0 x16 slot that supports PCI Express
3.0/2.0 x16 graphic cards complying with the PCI Express specifications.
M.2 socket 3
This socket allows you to install an M.2 (NGFF) SSD module.
• This socket supports M Key and 2242/2260/2280
storage devices.
• When a device in SATA mode is installed on the M.2
socket, SATA_1 port cannot be used.
When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that
the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI
groups, making the system unstable and the card inoperable.
IRQ assignments for this motherboard
M.2(SOCKET3)