ASROCK X79 Extreme7 Installationsanleitung Seite 18

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2.4 Expansion Slots (PCI and PCI Express Slots)
There is 1 PCI slot and 5 PCI Express slots on this motherboard.
PCI slot: PCI slot is used to install expansion cards that have the 32-bit PCI
interface.
PCIE slots: PCIE1 / PCIE2 / PCIE3 / PCIE4 / PCIE5 (PCIE 3.0 x16 slots) are used
for PCI Express graphics cards.
Dual Graphics Cards in
TM TM
CrossFireX or SLI Mode
Triple Graphics Cards in
TM
3-Way CrossFireX or
TM
3-Way SLI Mode
Five Graphics Cards
1. In single VGA card mode, it is recommended to install a PCI Express
x16 graphics card on PCIE1 slot.
2. In CrossFireX
graphics cards on PCIE1 and PCIE3 slots. Therefore, both these two
slots will work at x16 bandwidth.
3. In 3-Way CrossFireX
Express x16 graphics cards on PCIE1, PCIE3 and PCIE5 slots.
Therefore, both PCIE1 and PCIE3 will work at x16 bandwidth, while
PCIE5 works at x8 bandwidth.
4. If you install fi ve PCI Express x16 graphics cards on PCIE1, PCIE2,
PCIE3, PCIE4 and PCIE5 slots, these fi ve slots will work at x8
bandwidth.
5. Please connect a chassis fan to motherboard chassis fan connector
(CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using multiple
graphics cards for better thermal environment.
6. Currently Intel
support PCIE 3.0, but this motherboard is already PCIE 3.0 hardware
ready. It depends on Intel's CPU to enable PCIE 3.0. Please check
Intel's website for information on future CPU updates and releases.
18
ASRock X79 Extreme7 Motherboard
manuals search engine
PCIE Slot Confi gurations
PCIE1 PCIE2 PCIE3
x16 x0 x16
x16 x0 x16
x8 x8 x8
TM TM
mode or SLI mode, please install PCI Express x16
TM TM
or 3-Way SLI mode, please install PCI
®
Socket 2011 Sandy Bridge-E Processor doesn't
PCIE4 PCIE5
x0 N/A
x0 x8
x8 x8