AC82G41SLGQ3 Datasheet, PDF (190/604 Pages) Intel Corporation – Intel® 4 Series Chipset Family

Host-PCI Express* Registers (D1:F0)
6.1.22
INTRLINE1—Interrupt Line
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
0/1/0/PCI
3Ch
00h
R/W
8 bits
This register contains interrupt line routing information. The device itself does not use
this value, rather it is used by device drivers and operating systems to determine
priority and vector information.
Bit
Access
Default
Value
RST/PWR
Description
Interrupt Connection (INTCON): This field is used to
communicate interrupt line routing information.
BIOS Requirement: POST software writes the routing
7:0
R/W
00h
Core
information into this register as it initializes and configures
the system. The value indicates to which input of the
system interrupt controller this device's interrupt pin is
connected.
6.1.23
INTRPIN1—Interrupt Pin
B/D/F/Type:
Address Offset:
Default Value:
Access:
Size:
0/1/0/PCI
3Dh
01h
RO
8 bits
This register specifies which interrupt pin this device uses.
Bit
Access
Default
Value
RST/PWR
Description
7:0
RO
Interrupt Pin (INTPIN): As a single function device, the
01h
Core
PCI Express device specifies INTA as its interrupt pin.
01h=INTA.
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