Isa Slot; Pci Interrupt Request Routing - MSI 694T Pro User Manual

the power supply first. Meanwhile, read the documentation for the expansion
card to make any necessary hardware or software settings for the expansion
card, such as jumpers, switches or BIOS configuration.

ISA Slot

The slot allows you to install ISA expansion card.

PCI Interrupt Request Routing

The IRQ, abbreviation of interrupt request line and pronounced I-R-Q,
are hardware lines over which devices can send interrupt signals to the
microprocessor. The "AGP/PCI" IRQ pins are typically connected to the PCI
bus INTA#-INTD# pins as follows:
Order 1 Order 2 Order 3 Order 4
AGP INT A# INT B# INT C# INT D#
PCI Slot 1 INT A# INT B# INT C# INT D#
PCI Slot 2 INT B# INT C# INT D# INT A#
PCI Slot 3 INT C# INT D# INT A# INT B#
PCI Slot 4 INT D# INT A# INT B# INT C#
PCI Slot 5 INT B# INT C# INT D# INT A#
USB-1 INT D#
USB-2 INT D#
AC97 INT C#
AGP & PCI Slot 1 shared.
PCI Slot 2 & PCI Slot 5 shared.
PCI Slot 3 & AC97 codec shared.
PCI Slot 4 & USB-1/USB-2 shared.
PCI Slot 1~5: Bus Master.
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Hardware Setup