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ASUS P8Z77-M
1-16
IRQ assignments for this motherboard
A B C D E F G H
Intel PCH SATA controller #0 – – –
shared –
– – –
Intel PCH SATA controller #1 – – –
shared –
– – –
SMBUS Controller
–
– shared
– – – – –
Thermal Controller – – shared – – – – –
EHCI #0 – – – – – – – shared
EHCI #1 shared – – – – – – –
PCIE x16_1 shared – – – – – – –
PCIE x16_2 shared – – – – – – –
PCIE x1_1 shared – – – – – – –
PCI
shared – – – – – – –
Realtek 8111F LAN – – shared – – – – –
1.5.3 PCI Express x1 slot
This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that
comply with the PCI Express specications.
1.5.4 PCI Express 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 specications.
When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that
the cards do not need IRQ assignments. Otherwise, conicts will arise between the two PCI
groups, making the system unstable and the card inoperable.
1.5.2 Conguring an expansion card
After installing the expansion card, congure it by adjusting the software settings.
1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for
information on BIOS setup.
2. Assign an IRQ to the card.
3. Install the software drivers for the expansion card.
Expansion Slots
1
PCIE x16_1
2
PCIE x1_1
3
PCIE x16_2
4
PCI1
In single VGA card mode, use the PCIe 3.0/2.0 x 16_1 slot (navy blue) for a PCIe x16 graphics
card to get better performance.