Installing An Expansion Card - ASROCK 990FX Extreme3 Handbuch

2.4 Expansion Slots (PCI and PCI Express Slots)
There are 2 PCI slots and 4 PCI Express slots on this motherboard.
PCI Slots: PCI slots are used to install expansion cards that have the 32-bit PCI
PCIE Slots:

Installing an expansion card

Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
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interface.
PCIE1 (PCIE x1 slot; Black) is used for PCI Express cards with x1 lane
width cards, such as Gigabit LAN card and SATA2 card.
PCIE2 / PCIE3 (PCIE x16 slot; Black) is used for PCI Express x16 lane
width graphics cards, or used to install PCI Express graphics cards to
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support SLI and CrossFireX
PCIE4 (PCIE x16 slot; Black) is used for PCI Express x4 lane width
cards, or used to install PCI Express graphics cards to support 3-Way
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CrossFireX function.
1. In single VGA card mode, it is recommended to install a PCI Ex-
press x16 graphics card on PCIE2 slot.
2. In CrossFireX
graphics cards on PCIE2 and PCIE3 slots. Therefore, both these
two slots will work at x16 bandwidth.
3. In 3-Way CrossFireX
ics cards on PCIE2, PCIE3 and PCIE4 slots. Therefore, PCIE2 and
PCIE3 slots will work at x16 bandwidth while PCIE4 slot will work at
x4 bandwidth.
4. Please connect a chassis fan to motherboard chassis fan connec-
tor (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using multiple
graphics cards for better thermal environment.
Before installing the expansion card, please make sure that the power
supply is switched off or the power cord is unplugged. Please read the
documentation of the expansion card and make necessary hardware
settings for the card before you start the installation.
Remove the system unit cover (if your motherboard is already installed
in a chassis).
Remove the bracket facing the slot that you intend to use. Keep the
screws for later use.
Align the card connector with the slot and press firmly until the card is
completely seated on the slot.
Fasten the card to the chassis with screws.
Replace the system cover.
ASRock 990FX Extreme3 Motherboard
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function.
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or SLI mode, please install PCI Express x16
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mode, please install PCI Express x16 graph-