ASRock Z87 OC Formula/ac Quick Installation Guide - Page 29

Expansion Slots PCI and PCI Express Slots

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Z87 OC Formula/ac / Z87 OC Formula 2.4 Expansion Slots (PCI and PCI Express Slots) There are 6 PCI Express slots and 1 mini-PCI Express slot on the motherboard. Before installing an 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. PCIE slots: PCIE1 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIE2 (PCIE 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards. PCIE3 (PCIE 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE4 (PCIE 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards. PCIE5 (PCIE 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE6 (PCIE 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards. mini-PCIe slots: MINI_PCIE1 (mini-PCIe slot) is used for WiFi module. PCIE Slot Configurations PCIE1 PCIE2 PCIE4 PCIE6 Single Graphics Card x16 N/A N/A N/A Two Graphics Cards in CrossFireXTM or SLITM Mode x8 N/A x8 N/A Three Graphics Cards in 3-Way CrossFireXTM Mode x8 x4 x4 N/A Four Graphics Cards in 4-Way CrossFireXTM Mode x8 x4 x4 x4 English For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1, CHA_FAN2, CHA_FAN3 or CHA_FAN4) when using multiple graphics cards. 27

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27
English
Z87 OC Formula/ac / Z87 OC Formula
2.4
Expansion Slots (PCI and PCI Express Slots)
°ere are 6 PCI Express slots and 1 mini-PCI Express slot on the motherboard.
PCIE slots:
PCIE1 (PCIE 3.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIE 3.0 x16 slot) is used for PCI Express x8 lane width graphics cards.
PCIE3 (PCIE 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIE 3.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
PCIE5 (PCIE 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE6 (PCIE 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards.
mini-PCIe slots:
MINI_PCIE1 (mini-PCIe slot) is used for WiFi module.
PCIE Slot Configurations
PCIE1
PCIE2
PCIE4
PCIE6
Single Graphics Card
x16
N/A
N/A
N/A
Two Graphics Cards in
CrossFireX
TM
or SLI
TM
Mode
x8
N/A
x8
N/A
°ree Graphics Cards in
3-Way CrossFireX
TM
Mode
x8
x4
x4
N/A
Four Graphics Cards in
4-Way CrossFireX
TM
Mode
x8
x4
x4
x4
For a better thermal environment, please connect a chassis fan to the motherboard’s chas-
sis fan connector (CHA_FAN1, CHA_FAN2, CHA_FAN3 or CHA_FAN4) when using
multiple graphics cards.
Before installing an 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.