Micro-Star International MS-7592 Mode D'emploi page 21

PCie Slot
the PCie slot supports the PCie 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
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:
order
Slot
PCi 
PCi 2
the PCie 2.0 x6 slot
 2
int a# int B#
int B# int C#
3 4
int C# int d#
int d# int a#
MS-7592
2