Slots; Pci Interrupt Request Routing - MSI G41M4 series User Manual

PCi express Slot
the PCi express slot supports the PCi express interface expansion card.
PCi Slot
the PCi slot supports Lan card, SCSi card, uSB card, and other add-on cards
that comply with PCi specifications.
iMPoRtant
Make sure that you unplug the power supply first. Meanwhile, read the documen-
tation for the expansion card to configure any necessary hardware or software set-
tings for the expansion card, such as jumpers, switches or BioS configuration.

PCi interrupt Request Routing

When adding or removing expansion cards, make 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 con-
nected to the PCi bus pins as follows:
order
Slot
PCi 
PCi 2
20
the PCi express x6 slot supports up
to 4.0 GB/s transfer rate.
 2
int a# int B#
int B# int C#
 4
int C# int d#
int d# int a#