ASROCK Z97M Anniversary Schnellinstallationsanleitung Seite 18

2.4 Expansion Slots (PCI Express Slots)
There are 3 PCI Express slots on the motherboard.
1. Before installing an expansion card, please make sure that the power supply is
2. Due to the mechanical limitation, to install/uninstall the graphics card on PCIE1
PCIe slots:
PCIE1 (PCIe 3.0 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.
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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.
slot, please find a thin tool, such as a pen to press the retaining clip to lock/unlock
the PCIe slot.