Asus M2A-MVP PCI Express x16 slot configurations, Crad, Speed, Crad Type, In CrossFire, PCIE x 16_1 (blue) slot, PCIE x 16_2 (black) slot

• In single card mode, we recommend that you install a VGA card on the blue PCI Express slot and install any other PCI Express device on the black PCI Express slot.

•In CrossFire™ mode, each PCI Express x16 slot works at x8 bandwidth.

•In CrossFire™ mode, install the ATI CrossFire™ Edition (Master) graphics card on the blue PCI Express slot; otherwise, the system will not boot.

•If you do not configure the PCI Express device(s) according to the table below, the system may have a failed or delayed power-on self test (POST).

•Refer to the table below for possible PCI Express Card configurations.

PCI Express x16 slot configurations

	PCIE x 16_1 (blue) slot		PCIE x 16_2 (black) slot
	Crad Type	Speed	Crad	Speed
Single graphics card*	PCIE x16 graphics card	x16	MVP Switch Card	NA
	PCIE x16 graphics card	x8	PCIE devices (non-	x8, x4,
			VGA)	x1
Dual graphics cards	ATI CrossFire™ Edition	x8	ATI graphics card	x8
in CrossFire™ mode**	graphics card

* Install the MVP Switch Card on the black PCI Express slot. Remove it only when you want to install other devices.

**Install two ATI graphics cards from the same GPU family.

ASUS M2A-MVP 1-23