Software • BIOS options
Section 4
Software
275Automation PC 620 with 945GME N270 CPU board User's Manual V 1.10
PCI Interrupt Routing
Figure 123: X945 Advanced PCI Interrupt Routing
BIOS setting Meaning Setting options Effect
PIRQ A (VGA) Option for setting the PIRQ A. Auto Automatic assignment by the BIOS and operating
system.
5,6,7,9,10,11,12 Manual assignment
PIRQ B (AC97,
INTD)
Option for setting the PIRQ B. Auto Automatic assignment by the BIOS and operating
system.
5,6,7,9,10,11,12 Manual assignment.
PIRQ C
(PATA,INTC)
Option for setting the PIRQ C. Auto Automatic assignment by the BIOS and operating
system.
5,6,7,9,10,11,12 Manual assignment.
PIRQ D
(SATA,UHCI1,SMB)
Option for setting the PIRQ D. Auto Automatic assignment by the BIOS and operating
system.
5,6,7,9,10,11,12 Manual assignment.
PIRQ E
(ETH1)
Option for setting the PIRQ E. Auto Automatic assignment by the BIOS and operating
system.
5,6,7,9,10,11,12 Manual assignment.
Table 173: X945 Advanced PCI Interrupt Routing setting options
Advanced
PCI Interrupt Routing Select fixed IRQ or
set AUTO to let the
PIRQ A (VGA) [Auto] BIOS and OS route an
PIRQ B (AC97,INTD) [Auto] IRQ to this line.
PIRQ C (PATA,INTC) [Auto]
PIRQ D (SATA,UHCI1,SMB) [Auto] Make sure that the
PIRQ E (ETH1) [Auto] selected IRQ is not
PIRQ F (INTA,ETH2) [Auto] assigned to legacy IO.
PIRQ G (INTB) [5]
PIRQ H (UHCI0,EHCI) [6]
1 st Exclusive PCI [None]
2 nd Exclusive PCI [None]
Select Screen
Select Item
+- Change Option
F1 General Help
F10 Save and Exit
ESC Exit
INTn : External PCI Bus INTn Line
PATA : Parallel ATA in Enhanced/Native Mode
SATA : Serial ATA in Enhanced/Native Mode
SMB : System Management Bus Controller
BIOS SETUP UTILITY
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