Asus P7H55/USB3 User Manual download pdf (Page 29)

ASUS P7H55/USB3 1-17

1.5 Expansion slot

In the future, you may need to install expansion cards. The following sub-sections describe

the slot and the expansion cards that it supports.

Unplug the power cord before adding or removing expansion cards. Failure to do so may

cause you physical injury and damage motherboard components.

1.5.1 Installing an expansion card

To install an expansion card:

1. Before installing the expansion card, read the documentation that came with it and

make the necessary hardware settings for the card.

2. Remove the system unit cover (if your motherboard is already installed in a chassis).

3. Remove the bracket opposite the slot that you intend to use. Keep the screw for later

use.

4. Align the card connector with the slot and press rmly until the card is completely

seated on the slot.

5. Secure the card to the chassis with the screw you removed earlier.

6. Replace the system cover.

1.5.2 Conguring an expansion card

After installing the expansion card, congure 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.

1.5.3 PCI slots

The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that

comply with PCI specications.

1.5.4 PCI Express x1 slots

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 2.0 x16 slots

This motherboard has two PCI Express 2.0 x16 slots that support PCI Express x16 2.0

graphic cards complying with the PCI Express specications.

Refer to section 1.2 Motherboard overview for the location of the expansion slot.

• 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.

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

multiple graphics cards for better thermal environment.

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Asus P7H55/USB3 User Manual Page 29