User Manual
ASUS RAMPAGE IV BLACK EDITION
1-23
Chapter 1
IRQ assignments for this motherboard
A B C D E F G H
PCIE_X16_1 shared - - - - - - -
PCIE_X8_2 shared - - - - - - -
PCIE_X16/X8_3 shared - - - - - - -
PCIE_X8_4 shared - - - - - - -
PCIE_X1_1 shared - - - - - - -
ASM USB3#1 - shared - - - - - -
ASM USB3#2 shared - - - - - - -
ASM SATA6#1 - shared - - - - - -
ASM SATA6#2 - - - shared - - - -
Intel LAN 82579V - - shared - - - - -
On Chip USB1 - - - - - - - shared
On Chip USB2 - - - - - shared - -
HD Audio - - - - - - shared -
On Chip SATA - - - - shared - - -
• Refer to the following conguration table for installation.
PCIe x16
Slot #
Single
VGA
SLI/CF
3 way
SLI/CFX
Quad
SLI/CFX
1 x16 x16 x16 x16
2 — — x8 x8
4 — x16 x16 x8
6 — — — x8
• We recommend that you provide sufcient power when running CrossFireX™ or SLI
mode.
• While running at heavy loaded four VGA cards, ensure to plug in the 6-pin extra PCIe
power supply for stability.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/CHA_FAN2/
CHA_FAN3 when using multiple graphics cards for better thermal environment.