ASUS MAXIMUS VIII FORMULA
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.
• New 6th generation Intel
®
Core™ processors support PCIe 3.0 speed rate.
PCIe_x16/x8_1 slot switches to x8 mode when PCIe_x8_2 slot is occupied.
VGA Configuration
PCIe operating mode
PCIe_x16/x8_1 PCIe_x8_2
Single VGA/PCIe card
x16 (Recommend for single VGA) N/A
Dual VGA/PCIe card
x8
x8
IRQ assignments for this motherboard
A B C D E F G H
PCIEX16/X8_1 shared - - - - - - -
PCIEX8_2 - shared - - - - - -
PCIEX4_3 shared - - - - - - -
I.G.F.X . shared - - - - - - -
Intel LAN Controller shared - - - - - - -
SATA Controller - - - - - - - shared
High Denition Audio shared - - - - - - -
Intel XHCI Controller shared - - - - - - -
Intel Alpine Ridge shared - - - - - - -
ASMedia 1061 - - shared - - - - -
ASMedia 1042 - - - shared - - - -
U.2 shared - - - - - - -