ASRock FM2A75 Pro4-M - Manual (Page 20)

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ASRock FM2A75 Pro4-M Motherboard
2.4 Expansion Slots (PCI and PCI Express Slots)
There is 1 PCI slot and 3 PCI Express slots on this motherboard.
PCI Slot: The PCI slot is used to install expansion cards that have 32-bit
PCI interface.
PCIE Slots: PCIE1 (PCIE x16 slot) is used for PCI Express x16 lane width
graphics cards, or used to install PCI Express graphics cards to
support CrossFireX
TM function.
PCIE2 (PCIE x1 slot) is used for PCI Express cards with x1 lane
width. Such as Gigabit LAN card or SATA2 cards, etc.
PCIE3 (PCIE x16 slot) is used for PCI Express x4 lane width
cards, or used to install PCI Express graphics cards to support
CrossFireX
TM function.
1. In single VGA card mode, it is recommended to install a
PCI Express x16 graphics card on PCIE1 slot.
2. In CrossFireX TM mode, please install PCI Express x16
graphics cards on PCIE1 and PCIE3 slots.
Installing an expansion card
Step 1. Before installing the expansion card, please make sure that the
power supply is switched off and 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.
Step 2. Remove the system unit cover (if your motherboard is already
installed in a chassis).
Step 3. Remove the bracket facing the slot that you intend to use. Keep
the screws for later use.
Step 4. Align the card connector with the slot and press firmly until the
card is completely seated on the slot.
Step 5. Fasten the card to the chassis with screws.
Step 6. Replace the system cover.
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