Asus H170-PRO User Guide - Page 21

ASUS H170-PRO

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 sufﬁcient 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

–

–

–

–

–

–

–

Section	Page
Safety information	4
About this guide	4
Package contents	6
H170-PRO specifications summary	6
Product introduction	11
1.1 Before you proceed	11
1.2 Motherboard overview	11
1.3 Central Processing Unit (CPU)	13
1.4 System memory	17
1.5 Expansion slots	20
1.6 Headers	22
1.7 Connectors	23
1.8 Onboard LED	33
1.9 Software support	34
BIOS information	35
2.1 Managing and updating your BIOS	35
2.2 BIOS setup program	40
2.3 My Favorites	50
2.4 Main menu	52
2.5 Ai Tweaker menu	54
2.6 Advanced menu	62
2.7 Monitor menu	71
2.8 Boot menu	75
2.9 Tool menu	79
2.10 Exit menu	81
Appendices	83
Notices	83

Asus H170-PRO User Guide - Page 21

IRQ assignments for this motherboard, x16 Recommended for single VGA, PCIEx16_1, PCI 1

Page 21 highlights