Asus P5W DH User Manual page 53

• We recommend that you install a graphics card on the primary (orange)
PCI Express slot and install other PCI Express devices on the black PCI
Express x16 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 primary (orange) PCI Express slot.
• Refer to the table below for possible PCI Express Card configurations.
PCI Express x16 slot configurations
Non-CrossFire™
mode
Dual ATI
graphics cards
in CrossFire™
mode*
* Install two ATI graphics cards from the same GPU family that support
CrossFire™ mode.
** The speed of the primary PCIe x16 slot (PCIEX16_1) changes to x8 mode
after you install any device in the secondary PCIe x16 (PCIEX16_2) slot.
ASUS P5W DH Deluxe
PCIEX16_1 (orange) slot
Card type
PCIe x16 graphics card
PCIe x16 graphics card
PCIe x16 graphics card
CrossFire™ Edition
®
graphics card
PCIEX16_2 (black) slot
Speed Card type
x16 NA
x8 Other PCIe x16
graphics card
x8 Other PCIe card
x8 ATI graphics card
PCI
Speed
NA
x8** (dual
screen)
x8, x4, x1**
x8
2-25