Pci Express X16 Slots - Asus F2A85-M User Manual

1.6.5

PCI Express x16 slots

This motherboard supports two PCI Express x16 graphics cards that comply with the PCI
Express specifications.
VGA configuration
Single VGA/PCIe card
Dual VGA/PCIe card
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IRQ assignments for this motherboard
PCIe x16_1
PCIe x16_2
PCIe x1_1
PCI 1
Realtek 8111F (LAN)
On Chip SATA
On Chip USB OHCI 1/2/3/4
On Chip USB EHCI 1/2/3
On Chip USB XHCI 1
On Chip USB XHCI 2
HD Audio
1-22
PCI Express operating mode
PCIe x16_1
x16 (Recommended for single VGA card)
x16
In single VGA card mode, use the PCIe 2.0 x16_1 slot (blue) for a PCI Express x16
graphics card to get better performance.
We recommend that you provide sufficient power when running CrossFireX™ mode.
See page 1-27 for details.
Connect a chassis fan to the motherboard connector labeled CHA_FAN when using
multiple graphics cards for better thermal environment.
A B
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shared -
shared -
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- shared
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- -shared
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- shared
shared -
PCIe x16_2
N/A
x4
C D E
shared - -
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- - -
- - shared
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- shared -
shared - -
- - -
shared - -
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- - -
Chapter 1: Product introduction
F G H
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