ASROCK X79 Extreme9 Bedienungsanleitung Seite 20

2.4 Expansion Slots (PCI Express Slots)
There are 6 PCI Express slots on this motherboard.
PCIE slots: PCIE1 / PCIE2 / PCIE4 / PCIE5 / PCIE6 (PCIE 3.0 x16 slots) are used
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for PCI Express graphics cards.
PCIE3 (PCIE 2.0 x1 slot) is used for PCI Express cards with x1 lane
width cards, such as ASRock Game Blaster, Gigabit LAN card, SATA2
card, etc.
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 PCIE4 slots. Therefore, both these two
slots will work at x16 bandwidth.
3. In 3-Way CrossFireX
Express x16 graphics cards on PCIE1, PCIE4 and PCIE6 slots.
Therefore, PCIE1 and PCIE4 will work at x16 bandwidth, while PCIE6
works at x8 bandwidth.
4. If you install five PCI Express x16 graphics cards on PCIE1, PCIE2,
PCIE4, PCIE5 and PCIE6 slots, these five 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.
ASRock X79 Extreme9 Motherboard
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PCIE Slot Configurations
PCIE1 PCIE2
x16 x0
x16 x0
x8 x8
TM mode or SLI TM mode, please install PCI Express x16
TM or 3-Way SLI TM
®
Socket 2011 Sandy Bridge-E Processor doesn't
PCIE4 PCIE5 PCIE6
x16 x0 N/A
x16 x0 x8
x8 x8 x8
mode, please install PCI