Slots
PCIE (Peripheral Component Interconnect Express) Slot
The PCIE slot supports the PCIE interface expansion card.
PCIEx16 Slot
PCIEx1 Slot
PCI (Peripheral Component Interconnect) Slot
The PCI slot supports LAN card, SCSI card, USB card, and other add-on cards that 
comply with PCI specications.
32-bit PCI Slot
Important
When adding or removing expansion cards, make sure that you unplug the power sup-
ply rst. Meanwhile, read the documentation for the expansion card to congure any 
necessary  hardware  or  software  settings  for  the  expansion  card,  such  as  jumpers, 
switches or BIOS conguration.
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:
Order1  Order2  Order3  Order4
PCI Slot1 INT E#  INT F#  INT G#  INT H#