Asus Z170-P, Manual, Page: 21 / 85

ASUS Z170-P 1-11
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 suf cient power when running CrossFireX mode.
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 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
(black, x4 mode)
Single VGA/PCIe card
x16 (Recommended for single VGA
card)
N/A
Dual VGA/PCIe cards
x16 x4
IRQ assignments for this motherboard
A B C D E F G H
PCIEx16_1
shared – – – – – – –
PCIEx16_2
shared – – – – – – –
PCIEx1_1
– – shared – – – – –
PCIEx1_2
– – – shared – – – –
PCI 1
– – shared – – – – –
PCI 2
– – – shared – – – –
Realtek 8111H LAN
– – – shared – – – –
HD Audio
shared – – – – – – –
SATA Controller
shared – – – – – – –
XHCI Controller
shared – – – – – – –