MSI A75MA User Guide - Page 27
MS-7697, PCIe 2.0 x16 Slot, PCIe x1 Slot, as followed, Order1, Order2, Order3, Order4, PCI Slot1,
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Page 27 highlights
MS-7697 Expansion Slots This mainboard contains numerous ports for expansion cards, such as discrete graphics or audio cards. PCIe (Peripheral Component Interconnect Express) Slot The PCIe slot supports the PCIe interface expansion card. Chapter 1 PCIe 2.0 x16 Slot PCIe x1 Slot PCI (Peripheral Component Interconnect) Slot The PCI slot supports additional LAN, SCSI, USB, and other add-on cards that comply with PCI specifications. 32-bit PCI Slot PCI Interrupt Request Routing IRQ, or interrupt request lines, are hardware lines over which devices can send interrupt requests to the processor. The PCI IRQ pins are typically connected to the PCI bus pins as followed: PCI Slot1 Order1 Order2 Order3 Order4 INT E# INT F# INT G# INT H# Important When adding or removing expansion cards, always turn off the power supply and unplug the power supply power cable from the power outlet. Read the expansion card's documentation to check for any necessary additional hardware or software changes. 1-17