Asus Z97-P User Guide - Page 21

PCI Express 3.0/2.0 x16 slot, IRQ assignments for this motherboard

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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. VGA configuration Single VGA/PCIe card Dual VGA/PCIe card PCI Express operating mode PCIe 3.0/2.0 x16_1 (gray) x16 (Recommended for single VGA card) x16 PCIe 2.0 x16_2 N/A x2 • 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 using multiple graphics cards. See page 1-18 for details. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using multiple graphics cards for better thermal environment. IRQ assignments for this motherboard PCIEx16_1 PCIEx16_2 PCIEx1_1 PCIEx1_2 PCI 1 PCI 2 Realtek 8111GR LAN controller USB2.0 controller 1 USB2.0 controller 2 HD audio SATA controller 1 SATA controller 2 XHCI controller A B C D E FG H shared - - - - - - - shared - - - - - - - - - shared - - - - - - - - shared - - - - - - - shared - - - - shared - - - - - - - - - shared - - - - - - - - - - - - shared - - - - shared - - - - - - - - - shared - - - - shared - - - - - - - shared - - - - - - - - - shared - - ASUS Z97-P 1-11

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ASUS Z97-P
1-11
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 8111GR LAN
controller
–
–
shared
–
–
–
–
–
USB2.0 controller 1
–
–
–
–
–
–
–
shared
USB2.0 controller 2
–
–
–
–
shared
–
–
–
HD audio
–
–
–
–
–
–
shared
–
SATA controller 1
–
–
–
shared
–
–
–
–
SATA controller 2
–
–
–
shared
–
–
–
–
XHCI controller
–
–
–
–
–
shared
–
–
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.
•
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 using multiple graphics cards.
See page 1-18 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
x2