Asus B85M-E R2.0 User Guide - Page 19

ASUS B85M-E R2.0

1-11

1.5.3

PCI slot

The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that

comply with PCI specifications.

1.5.4

PCI Express 2.0 x1 slot

This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that

comply with the PCI Express specifications.

1.5.5

PCI Express 2.0 x16 slot

This motherboard has a PCI Express 2.0 x16 slot that supports PCI Express 2.0 x16 graphic

cards complying with the PCI Express specifications.

1.5.6

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.

IRQ assignments for this motherboard

A

B

C

D

E

F

G

H

LAN

–

–

shared

–

–

–

–

–

PCIE x16_1

shared

–

–

–

–

–

–

–

PCIE x1_1

shared

–

–

–

–

–

–

–

PCIE x16_2

shared

–

–

–

–

–

–

–

Intel PCH SATA controller

–

–

–

shared

–

–

–

–

HD Audio

–

–

–

–

–

–

shared

–

USB2.0_1

–

–

–

–

–

–

–

shared

USB2.0_2

–

–

–

–

shared

–

–

–

USB3.0

–

–

–

–

–

shared

–

–

•

In single VGA card mode, use the PCIe 3.0/2.0 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.

See page 1-15 for details.

•

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 3.0/2.0 x16_1 (gray)

PCIe 2.0 x16_2

Single VGA/PCIe

card

x16 (Recommended for single VGA

card)

N/A

Dual VGA/PCIe

card

x16

x4

Section	Page
Safety information	4
About this guide	4
Package contents	6
B85M-E R2.0 specifications summary	6
Chapter 1: Product introduction	9
1.1 Before you proceed	9
1.2 Motherboard overview	10
1.3 Central Processing Unit (CPU)	12
1.4 System memory	16
1.5 Expansion slots	18
1.6 Headers	20
1.7 Connectors	21
1.9 Software support	30
Chapter 2: BIOS information	31
2.1 Managing and updating your BIOS	31
2.2 BIOS setup program	36
2.3 My Favorites	39
2.4 Main menu	40
2.5 Ai Tweaker menu	42
2.6 Advanced menu	50
2.7 Monitor menu	59
2.8 Boot menu	62
2.9 Tools menu	68
2.10 Exit menu	69
Appendices	71
Notices	71

Asus B85M-E R2.0 User Guide - Page 19

PCI slot, PCI Express 2.0 x1 slot, IRQ assignments for this motherboard

Page 19 highlights