MSI G31M Series User Manual page 25

PCI Express Slot (x16/ x4/ x1)
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The PCI Express slot supports the PCI Express interface expansion card.
The PCI Express x 16 supports up to 4.0 GB/s transfer rate.
The PCI Express x 8 supports up to 2.0 GB/s transfer rate.
The PCI Express x 4 supports up to 1.0 GB/s transfer rate.
The PCI Express x 1 supports up to 250 MB/s transfer rate.
PCI Express x 1 Slot
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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.
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TPM Module Connector
This connector connects to a TPM (Trusted Platform Module) module (optional). Please
refer to the TPM security platform manual for more details and usages.
PCI Express x 4 Slot
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PCI Express x 16 Slot
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