Intel i7-3920XM Extreme AW8063801009607 User Manual

Datasheet, Volume 2

265

Processor Configuration Registers 

4

RO

0b

Uncore

Required Write-Buffer Flushing (RWBF) 
0 = No write-buffer flushing is needed to ensure changes to 

memory-resident structures are visible to hardware.

1 = Software must explicitly flush the write buffers to ensure 

updates made to memory-resident remapping structures are 

visible to hardware. 

3

RO

0b

Uncore

Advanced Fault Logging (AFL) 
0 = Advanced fault logging is not supported. Only primary fault 

logging is supported.

1 = Advanced fault logging is supported.

2:0

RO

010b

Uncore

Number of domains supported (ND) 
000 = Hardware supports 4-bit domain-ids with support for up to 

16 domains.

001 = Hardware supports 6-bit domain-ids with support for up to 

64 domains.

010 = Hardware supports 8-bit domain-ids with support for up to 

256 domains.

011 = Hardware supports 10-bit domain-ids with support for up 

to 1024 domains.

100 = Hardware supports 12-bit domain-ids with support for up 

to 4K domains.

100 = Hardware supports 14-bit domain-ids with support for up 

to 16K domains.

110 = Hardware supports 16-bit domain-ids with support for up 

to 64K domains.

111 = Reserved.