ASUS PRIME H270-PLUS
1-7
•
In single VGA card mode, use the PCIe 3.0 x16_1 slot (gray) for a PCI Express x16
graphics card to get better performance.
•
We recommend that you provide sufficient power when running CrossFireX™ mode.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2/3 when
using multiple graphics cards for better thermal environment.
VGA configuration
PCI Express operating mode
PCIe 3.0 x16_1 (gray)
PCIe 3.0 x16_2
Single VGA/PCIe card
x16 (Recommended for single
VGA card)
N/A
Dual VGA/PCIe cards
x16
x4
PCI Express 3.0/2.0 x1 slots
This motherboard has four PCI Express 3.0/2.0 x1 slots that support PCI Express
x1 network cards, SCSI cards, and other cards that comply with the PCI Express
specifications.
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.
IRQ assignments for this motherboard
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.
A
B
C
D
HD Audio Controller
shared
–
–
–
XHCI
shared
–
–
–
SATA Controller
shared
–
–
–
LAN Controller
shared
–
–
–
PCIEx1_1
–
–
–
shared
PCIEx1_2
shared
–
–
–
PCIEx1_3
–
shared
–
–
PCIEx1_4
–
–
shared
–
PCIEx16_1
shared
–
–
–
PCIEx16_2
shared
–
–
–
M.2_1
shared
–
–
–
M.2_2
shared
–
–
–
