A88X-Plus Motherboard Manual

1-10

Chapter 1: Product introduction

1.5.3 PCI slot

The PCI slot supports cards such as a LAN card, SCSI card, USB card, and other cards that

comply with PCI specications.

1.5.4 PCI Express 2.0 x1 slot

This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that

comply with the PCI Express specications.

1.5.5 PCI Express x16 slot

This motherboard has two PCI Express x16 slots that support PCI Express x16 graphic cards

complying with the PCI Express specications.

IRQ assignments for this motherboard

A B C D E F G

PCIEx1_1 shared – – – – – –

PCIEx16_1 – – shared – – – –

PCIEx1_2 – – – shared – – –

PCIEx16_2 shared – – – – – –

Realtek LAN controller – shared – – – – –

OnChip SATA controller – – – shared – – –

OnChip USB EHCI 1/2/3/4 – – shared – – – –

OnChip USB EHCI 1/2/3 – shared – – – – –

OnChip USB XHCI 1 – – shared – – – –

OnChip USB XHCI 2 – shared – – – – –

HD Audio shared – – – – –

PCI_1 – – – – shared – –

PCI_2 – – – – – shared –

PCI_3 – – – – – shared

• In single VGA card mode, use the PCIe 2.0 x16_1 slot (yellow) 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 1-27 for details.

• Connect a chassis fan to the motherboard connector labeled CHA_FAN when using

multiple graphics cards for better thermal environment.