Asus H81M-R Manual page 18

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1.5.3
PCI Express x1 slots
This motherboard supports two PCI Express x1 network cards, SCSI cards, and other cards
that comply with the PCI Express specifications.
1.5.4
PCI Express x16 slot
This motherboard supports one PCI Express x16 graphics card that complies with the PCI
Express specifications.
IRQ assignments for this motherboard
LAN
PCIE x16
PCIE x1_1
PCIE x1_2
Intel PCH SATA Controller
HD Audio
USB2.0_1
USB2.0_2
USB3.0
1-10
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Chapter 1: Product introduction
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