EP80579 Datasheet, PDF (561/1916 Pages) Intel Corporation – Intel® EP80579 Integrated Processor Product Line

Intel^® EP80579 Integrated Processor
16.4.1.48 Offset 70h: PEALNKCAP - PCI Express* Link Capabilities Register
This register identifies PCI Express* link specific capabilities.
Table 16-187.Offset 70h: PEALNKCAP - PCI Express Link Capabilities Register
Description:
View: PCI
BAR: Configuration
Bus:Device:Function: 0:2:0
Offset Start: 70h
Offset End: 73h
Size: 32 bit
Default: 0203E481h
Power Well: Core
Bit Range
31 : 24
23 : 18
17 : 15
14 : 12
11 : 10
Bit Acronym
Bit Description
Sticky
PN
Reserved
Reserved
Reserved
ASPM
Port Number: This field indicates the PCI Express* port
number for the associated PCI Express* link.
Reserved
Reserved
Reserved
CMI does not support optional L1 ASPM.
Active State PM:
01 L0s Entry Supported
Bit Reset
Value
02h
00h
111b
110b
01b
Bit Access
RO
RO
09 : 04
03 : 00
MLW
MLS
Maximum Link Width: This field indicates the maximum
width of the PCI Express* link. Device 2 reports a value of
001000b, indicating a maximum link width of x8. However,
if two separate devices are connected to port A (Device 2)
and port A1 (Device 3), the maximum link width for both
ports is x4.
Maximum Link Speed:
0001b 2.5 Gb/s supported
All other settings are reserved.
001000b
RO
0001b
RO
16.4.1.49 Offset 70h: PEA1LNKCAP - PCI Express* Link Capabilities Register
This register defines the capabilities of the link.
Table 16-188.Offset 70h: PEA1LNKCAP - PCI Express Link Capabilities Register (Sheet 1 of
2)
Description:
View: PCI
BAR: Configuration
Bus:Device:Function: 0:3:0
Offset Start: 70h
Offset End: 73h
Size: 32 bit
Default: 0303E441h
Power Well: Core
Bit Range
31 : 24
23 : 18
17 : 15
14 : 12
Bit Acronym
Bit Description
Sticky
PN
Reserved
Reserved
Reserved
Port Number: This field indicates the PCI Express* port
number for the associated PCI Express* link.
Reserved
Reserved
Reserved
Bit Reset
Value
03h
00h
111b
110b
Bit Access
RO
August 2009
Order Number: 320066-003US
Intel^® EP80579 Integrated Processor Product Line Datasheet
561