Asus P5LD2 2.5.4PCI Express x16 slots, Primary PCI Express x16 slot, Universal PCI Express slot (x4 mode)

2.5.4PCI Express x16 slots

This motherboard has two PCI Express x16 slots that support PCI Express x16 graphic cards complying with the PCI Express specifications. With two graphics cards installed, the motherboard can enable quad-display.

Primary PCI Express x 16	Universal PCI
slot for discrete graphics	Expres s slot
car d (blue)	[x4 mode] (black)

We recommend that you install a VGA card on the primary (blue) PCI Express slot, and install any other PCI Express device on the Universal PCI Express slot (black).

Primary PCI Express x16 slot

The primary PCI Express x16 graphics card supports PCI Express x16 graphic cards that comply with the PCI Express specifications.

Universal PCI Express slot (x4 mode)

This motherboard also supports a Universal PCI Express slot with a maximum speed of 2 GB/s. The

operating frequency of this slot changes, depending on the type of PCI Express card you install. Refer to the table on the next page for details.

The figure shows two graphics cards installed on the primary PCI Express x16 slot and the Universal PCI Express slot.

If you install two VGA cards, we recommend that you plug the rear chassis fan cable to the motherboard connector labeled CHA_FAN1 for better thermal environment. See page 2-31 for the connector location.

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