Processor Configuration Registers
Intel
®
Core
TM
i7-620LE/UE, i7-610E, i5-520E and Intel
®
Celeron
®
Processor P4500, P4505 Series
Datasheet Addendum
April 2010
90
Document Number: 323178-002
6.2.7
CL6 - Cache Line Size
B/D/F/Type:
0/6/0/PCI
Address Offset:
Ch
Default Value:
00h
Access:
RW
Size:
8 bits
6.2.8
HDR6 - Header Type
B/D/F/Type:
0/6/0/PCI
Address Offset:
Eh
Default Value:
01h
Access:
RO
Size:
8 bits
This register identifies the header layout of the configuration space. No physical
register exists at this location.
Regost
Table 30. CL6 - Cache Line Size Register
Bit
Access
Default
Value
RST/
PWR
Description
7:0
RW
00h
Core
Cache Line Size (Scratch pad)
Implemented by PCI Express devices as a read-write field for
legacy compatibility purposes but has no impact on any PCI
Express device functionality.
Table 31. HDR6 - Header Type Register
Bit
Access
Default
Value
RST/
PWR
Description
7:0
RO
01h
Core
Header Type Register (HDR)
Returns 01 to indicate that this is a single function device with
bridge header layout.