Asus F1A55 R2.0 - PCI Express X16 Slots

1-20
Chapter 1: Product introduction
• 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 sufcient power when running CrossFireX™ mode.
See page 1-21 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when
using multiple graphics cards for better thermal environment.
VGA conguration
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
1.6.5 PCI Express x16 slots
This motherboard supports two PCI Express x16 graphics cards that comply with the PCI
Express specications.
IRQ Assignments
A B C D E F G H
PCIEX16 - - share - - - - -
PCIEX18 - - - share - - - -
PCIEX4 share - - - - - - -
PCIEX4/lane2 - share - - - - - -
Mini-PCIE - - - share - - - -
OnChip IGP - - share - - - - -
Llano PicExBR 02 - - share - - - - -
Llano PicExBR 03 - - - share - - - -
Llano PicExBR 04 share - - - - - - -
Llano PicExBR 08 - - - share - - - -
RTL8111E - share - - - - - -
USB3.0 - - - share - - - -
PCI Slot - - - - share - - -
PCI Slot2 - - - - - share - -
PCI Slot3 - - - - - - share -
HD Audio - - share - - - - -
SATA Controller - - - share - - - -
USB1 OHCI Controller 0 - - share - - - - -
USB2 OHCI Controller 1 - - share - - - - -
USB3 OHCI Controller 0 - - share - - - - -