Asrock Z68 Extreme4 Gen3 User Manual download pdf (Page 18)

ASRock Z68 Extreme4 Gen3 Motherboard

English

2.4 Expansion Slots (PCI and PCI Express Slots)

There are 2 PCI slots and 5 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 / PCIE3 (PCIE 2.0 x1 slot) is used for PCI Express cards with x1

lane width cards, such as Gigabit LAN card, SATA2 card, etc.

PCIE2 / PCIE4 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane

width graphics cards, or used to install PCI Express graphics cards to

support CrossFireX

or SLI

function.

PCIE5 (PCIE 2.0 x16 slot) is used for PCI Express x4 lane width graph-

ics cards, or used to install PCI Express graphics cards to support

3-Way CrossFireX

function.

1. In single VGA card mode, it is recommended to install a PCI Express

x16 graphics card on PCIE2 slot.

2. In CrossFireX

mode or SLI

mode, please install PCI Express x16

graphics cards on PCIE2 and PCIE4 slots. Therefore, both these two

slots will work at x8 bandwidth.

3. In 3-Way CrossFireX

mode, please install PCI Express x16

graphics cards on PCIE2, PCIE4 and PCIE5 slots. Therefore, PCIE2

and PCIE4 slots will work at x8 bandwidth while PCIE5 slot will work

at x4 bandwidth.

4. 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.

5. To run the PCI Express in Gen 3 speed, please must install the Ivy

Bridge CPU which supports PCI Express Gen3. If you install the

Sandy Bridge CPU, the PCI Express will run only at PCI Express Gen

2 speed.

Installing an expansion card

Step 1. 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.

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 ﬁ rmly 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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Asrock Z68 Extreme4 Gen3 User Manual Page 18

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