VGA configuration
Single VGA/PCIe
card
Dual VGA/PCIe
cards
•
In single VGA card mode, use the PCIe 3.0 x16_1 slot for a PCI Express x16 graphics
card to get better performance.
•
We recommend that you provide sufficient power when running CrossFireX™ mode.
See page 1-23 for details.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2/3 when
using multiple graphics cards for better thermal environment.
PCI Express operating mode
Slot
Default
PCIe x1_1
x1
PCIe x1_2
x1
PCIe x16_2
x2
IRQ assignments for this motherboard
I.G.D.
HD Audio Controller
XHCI Controller
SATA Controller
LAN Controller
PCIE x16_1
PCIE x16_2
PCIE x1_1
PCIE x1_2
Asmedia USB 3.1
Controller
Asmedia PICE to PCI
Controller
M.2
ASUS B150 PRO GAMING
PCI Express operating mode
PCIe 3.0 x16_1
x16 (Recommended for single
VGA card)
x16
Auto (When x4 or faster device
is installed on PCIe x16_2)
N/A
N/A
x4
A
B
Shared
–
Shared
–
Shared
–
Shared
–
Shared
–
Shared
–
Shared
–
–
–
–
–
Shared
–
–
–
–
Shared
Shared
–
PCIe 3.0 x16_2
N/A
x4
Settings provided
by BIOS
x1
x1
x2
C
D
E
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Shared
–
–
–
Shared
–
–
–
–
–
–
–
N/A
N/A
x4
F
G
H
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1-13