ASROCK Q2900-ITX Schnellinstallationsanleitung Seite 14

2.2 Expansion Slots (PCI Express Slots)
There are 2 PCI Express slots 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 2.0 x1 slot) is used for PCI Express cards with x1 lane width cards.
MINI_PCIE1 (mini-PCIe slot) is used for WiFi module.
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