ASRock Q1900-ITX User Manual - Page 16

Expansion Slots (PCI Express Slots), PCIe slots - power supply

Page 16 highlights

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. 12 English

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12
English
2.2
Expansion Slots (PCI Express Slots)
°ere are 2 PCI Express slots on the motherboard.
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.
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.