ASRock B85M-GL - Manual (Page 21)

B85M-GL
19
English
2.4 Expansion Slots (PCI and PCI Express Slots)
There is 1 PCI slot and 2 PCI Express slots on the motherboard.
PCI slot:
The PCI1 slot is used to install expansion cards that have 32-bit PCI interface.
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 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.