Capptr1-Capabilities Pointer Register; Intrline1-Interrupt Line Register - Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - DATASHEET VOLUME 2 01-2011 Datasheet

Processor Configuration Registers
2.6.21 CAPPTR1—Capabilities Pointer Register
The capabilities pointer provides the address offset to the location of the first entry in
this device's linked list of capabilities.
B/D/F/Type:
Address Offset:
Reset Value:
Access:
Size:
Bit
7:0
2.6.22 INTRLINE1—Interrupt Line Register
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.
B/D/F/Type:
Address Offset:
Reset Value:
Access:
Size:
Bit
7:0
Datasheet, Volume 2
0/1/0–2/PCI
34h
88h
RO
8 bits
Reset RST/
Attr
Value PWR
RO 88h Uncore
0/1/0–2/PCI
3Ch
00h
RW
8 bits
Reset RST/
Attr
Value PWR
RW 00h Uncore
Description
First Capability (CAPPTR1)
The first capability in the list is the Subsystem ID and Subsystem
Vendor ID Capability.
Description
Interrupt Connection (INTCON)
Used to communicate interrupt line routing information.
BIOS Requirement: POST software writes the routing 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.
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