Intel Xeon L3406 CM80616005010AA User Manual

Product codes
CM80616005010AA
Page of 302
Processor Integrated I/O (IIO) Configuration Registers
104
Datasheet, Volume 2
3.4.2.12
INTLIN—Interrupt Line Register
The Interrupt Line register is used to communicate interrupt line routing information 
between initialization code and the device driver
.
3.4.2.13
INTPIN—Interrupt Pin Register
Indicates what INTx message a device generates. This register has no meaning for 
Device 8.
3.4.3
Common Extended Configuration Space Registers
3.4.3.1
CAPID—PCI Express
®
 Capability List Register
The PCI Express Capability List register enumerates the PCI Express Capability 
structure in the PCI 3.0 configuration space.
Register: INTLIN
Device:
8
Function:
0-2
Offset:
3Ch
Bit
Attr
Default
Description
7:0
RO 00h
Interrupt Line
This bit is RW for devices that can generate a legacy INTx message and is 
needed only for compatibility purposes.
Register: INTPIN
Device: 8
Function:
0-2
Offset:
3Dh
Bit
Attr
Default
Description
7:0
RO
00h
Interrupt Pin
These bits have no meaning for the device called out in this section and are 
hard coded to 0.
Device:
 8
Function:
 0, 1, 2
Offset:
40h
Bit
Attr
Default
Description
7:0
RO
10h
Capability ID
Defines the PCI Express capability ID. 10h is defined as a “PCI Express” 
capability.