MSI MS96D2 User Guide - Page 31

MS-96D2 Slot PCI (Peripheral Component Interconnect) Express Slot The PCI Express slot supports the PCI Express interface expansion card. PCI Express x16 Slot PCI Express x8 Slot (with x4 signal) 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. 32-bit PCI slot 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 Interrupt Request Routing The IRQ, acronym of interrupt request line and pronounced I-R-Q, are hardware lines over which devices can send interrupt signals to the microprocessor. The PCI IRQ pins are typically connected to the PCI bus pins as follows: PCI Slot1 PCI Slot2 Order1 INT A# INT B# Order2 INT B# INT C# Order3 INT C# INT D# Order4 INT D# INT A# 2-17