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ASUS Z97-A
1-21
1.5.2 Configuring 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.
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 arise between the two PCI
groups, making the system unstable and the card inoperable.
1.5.3 PCI slots
The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that
comply with PCI specications.
1.5.4 PCI Express 2.0 x1 slots
This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that
comply with the PCI Express specications.
1.5.5 PCI Express 3.0 / 2.0 x16 slots
This motherboard supports PCI Express x16 network cards, SCSI cards, and other cards that
comply with the PCI Express specications.
Slot No. Expansion slot
PCIe 2.0 x1_1 slot
PCIe 3.0/2.0 x16_1 slot
PCI_1 slot
PCIe 2.0 x1_2 slot
PCIe 3.0/2.0 x16_2 slot
PCI_2 slot
PCIe 2.0 x16_3 slot