ASRock H81M-G User Manual - Page 20

Expansion Slots (PCI Express Slots), PCIe slots

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2.4 Expansion Slots (PCI Express Slots) here are 4 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched of 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 2.0 x16 slot) is used for PCI Express x16 lane width graphics cards. PCIE2 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE3 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards. PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards. 1. For a better thermal environment, please connect a chassis fan to the motherboard's chassis fan connector (CHA_FAN1 or CHA_FAN2) when using multiple graphics cards. 2. Please connect a 4 pin molex power cable to the PCIe power connector (PCIE_ PWR1) when more than three PCIe cards are installed. 16 English

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2.4
Expansion Slots (PCI Express Slots)
Here are 4 PCI Express slots on the motherboard.
PCIe slots:
PCIE1 (PCIe 2.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE2 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE3 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
PCIE4 (PCIe 2.0 x1 slot) is used for PCI Express x1 lane width cards.
Before installing an expansion card, please make sure that the power supply is
switched o³ 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.
1.
For a better thermal environment, please connect a chassis fan to the mother-
board’s chassis fan connector (C´A_FAN1 or C´A_FAN2) when using multiple
graphics cards.
2. Please connect a 4 pin molex power cable to the PC±e power connector (PC±E_
PWR1) when more than three PC±e cards are installed.