Pciex1 - Asus H97-PLUS User Manual

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 2.0 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.
VGA configuration
Single VGA/PCIe
card
Dual VGA/PCIe
card
• 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 1-18 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 controller
USB2.0 controller 1
USB2.0 controller 2
HD audio
SATA controller 1
SATA controller 2
XHCI controller
ASUS H97-PLUS
PCI Express operating mode
PCIe 3.0/2.0 x16_1 (gray)
x16 (Recommended for single VGA
card)
x16
A B
shared shared shared shared
shared shared shared shared
– – shared shared
– – shared shared
– –
shared –
– – shared
– –
– –
– –
– –
– –
– –
PCIe 2.0 x16_2
N/A
x4
C D E
–
–
–
–
– shared –
– – –
– –
– – –
– – shared
– – –
– shared –
– shared –
– – –
F G H
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – shared
– – –
– shared –
– – –
– – –
shared – –
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