• 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 sufcient power when running CrossFireX™ mode.
See page 1-24 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN when using
multiple graphics cards for better thermal environment.
VGA conguration
PCI Express operating mode
PCIe x16_1 PCIe x16_2
Single VGA/PCIe card x16 (Recommended for single VGA card) N/A
Dual VGA/PCIe card x16 x4
IRQ assignments for this motherboard
A B C D E F G H
PCIEx16_1 – – shared – – – – –
PCIEx16_2 shared – – – – – – –
PCIEx1_1 shared – – – – – – –
PCI1 slot – – – – shared – – –
Realtek LAN controller – shared – – – – – –
HD audio shared – – – – – – –
SATA controller – – – shared – – – –
OnChip XHCI controller1 – – shared – – – – –
OnChip XHCI controller2 – shared – – – – – –
OnChip USB EHCI 1/2/3 – shared – – – – – –
OnChip USB OHCI 1/2/3/4 – – shared – – – – –
ASUS F2A85-M LE
1-19
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General
Weight and Dimensions
