MSI K9A2GM Series User Manual page 25

PCI (Peripheral Component Interconnect) Express Slot
The PCI Express slot supports the PCI Express interface expansion card.
The PCI Express x 16 slot supports up to 4.0 GB/s transfer rate.
The PCI Express x 1 slot supports up to 250 MB/s transfer rate.
PCI (Peripheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that
comply with PCI specifications.
Important
When adding or removing expansion cards, make sure that you unplug the power
supply first. Meanwhile, read the documentation for the expansion card to configure
any necessary hardware or software settings for the expansion card, such as
jumpers, switches or BIOS configuration.
PCI Express x1 Slot
PCI Express x16 Slot
32-bit PCI Slot
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