MSI B75A-G41 Series

Ru-17

 PCI (Perpheral Component Interconnect)
 PCI    , SCSI, USB   -
  ,    PCI.
32-  PCI
!
      ,   -
    .     -
       
   .
   PCI
IRQ (  )   ,  
      . 
 PCI IRQ    PCI  :
1 2 3 4
 PCI 1 INT A# INT B# INT C# INT D#
 PCI 2 INT B# INT C# INT D# INT A#