Pci Slots; Pci Interrupt Request Routing - MSI K7N415 Pro Instruction Manual

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Chapter 2
Attention!
DO NOT use the following 3.3V AGP cards which would cause damages
to the mainboard. The following list is subject to change without prior
notice.
Model
ATI Xpert2000
ATI Rage Furry Maxx
Diamond Monster Fusion
Hercules KYRO II 4500
Leadtek Winfast VR300
Matrox Millennium G400
STB 3Dfx VooDoo3 3500TV

PCI Slots

Five PCI slots allow you to insert the expansion cards to meet your
needs. When adding or removing expansion cards, make sure that you unplug
the power supply first. Meanwhile, read the documentation for the
expansioncard to make any necessary hardware or software settings for the
expansion card, such as jumpers, switches or BIOS configuration.
CNR (Communication Network Riser)
The CNR slot allows you to insert the CNR expansion cards. CNR is a
specially designed network, audio, or modem riser card for ATX family
motherboards. Its main processing is done through software and controlled by
the motherboard's chipset.

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 PCI IRQ pins are typically connected to the PCI bus INT
A# ~ INT D# pins as follows:
AGP Chip (3.3V)
3D RAGE 128VR
3D RAGE 128 Pro
3DFX VooDoo Banshee
SiS300
G4+MDHA32G
3Dfx VooDoo 3500TV
2-24

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