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ASUS Z87-EXPERT
1-25
Chapter 1
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1-4 when
using multiple graphics cards for better thermal environment.
VGA conguration
PCIe Express 3.0 operating mode
PCIe 3.0/2.0 x16�1 PCIe 3.0/2.0 x16�2 PCIe 3.0/2.0 x16�3
Single VGA/PCIe card
x16 (single VGA
recommended)
N/A N/A
Dual VGA/PCIe card x8 x8 N/A
Triple VGA/PCIe card x8 x4 x4
A B C D E F G H
PCIe x16_1 shared – – – – – – –
PCIe x16_2 – shared – – – – – –
PCIe x16_3 – – shared – – – – –
PCIe x1_1 shared – – – – – – –
PCIe x1_2 – – shared – – – – –
PCIe x1_3 shared – – – – – – –
PCIe x1_4 – – – shared – – – –
Intel
®
SATA – – – shared – – – –
EHCI #0 – – – – – – – shared
EHCI #1 shared – – – – – – –
XHCI – – – – – shared – –
HD Audio – – – – – – shared –
Intel
®
LAN – – – – shared – – –
ASMedia 1061 – shared – – – – – –
SMBUS – – shared – – – – –
Thunderbolt shared – – – – – – –
IRQ assignments for this motherboard