ASROCK A770CROSSFIRE User Manual page 14

2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots)
2.4 Expansion Slots (PCI and PCI Express Slots) 2.4 Expansion Slots (PCI and PCI Express Slots)
There are 3 PCI slots and 3 PCI Express slots on this motherboard.
PCI Slots: PCI slots are used to install expansion cards that have the 32-bit PCI
interface.
PCIE Slots:
PCIE1/DE (PCIE x1 slot; Green) is used for PCI Express cards with x1
lane width cards, such as Gigabit LAN card, SATA2 card and ASRock
PCIE_DE card.
PCIE2 (PCIE x16 slot; Green) is used for PCI Express x16 lane width
graphics cards, or used to install PCI Express graphics cards to
support CrossFire
PCIE3 (PCIE x16 slot; Blue) is used for PCI Express x1 lane width
cards, such as Gigabit LAN card, SATA2 card, etc., or used to install
PCI Express graphics cards to support CrossFire
PCIE2 / PCIE3 / SLI/XFire Switch Card Retention Slot
Single Graphics Card PCIE x16
Dual Graphics Cards
in CrossFire TM Mode
1 4 1 4 1 4
1 4 1 4
ASRock
TM
function.
Configurations
PCIE2 Slot PCIE3 Slot SLI/XFire Switch Card
(Green) (Blue) Retention Slot
PCIE x1
(Default)
PCIE x8 PCIE x8
A770CrossFire Motherboard
TM function.