Intel E7-8891 v2 CM8063601377422 Manual De Usuario

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Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
187
Datasheet Volume Two: Functional Description, February 2014
Processor Uncore Configuration Registers
13.7.4.6
CAPID4
This register is a Capability Register used to expose enable/disable for BIOS use.
13.7.4.7
RESOLVED_CORES_MASK
This RESOLVED_CORES_MASK register contains the Cores 0-7 enabled information in 
the package. 
§
Type:
CFG
PortID: N/A
Bus:
1
Device: 10
Function:
3
Offset:
0x94
Bit
Attr
Default
Description
31:31
RO_FW
0x0
Disable DRAM Power Meter (DRAM_POWER_METER_DISABLE) 
30:30
RO_FW
0x0
Disable DRAM RAPL (DRAM_RAPL_DISABLE) 
29:29
RO_FW
0x0
Enable Intelligent Turbo (I_TURBO_ENABLE) 
28:15
RV
-
Reserved:
Reserved  
14:0
RO_FW
0x0
LLC_SLICE_IA_CORE_EN 
Type:
CFG
PortID:
N/A
Bus:
1
Device:
10Function:3
Offset:
0xb0
Bit
Attr
Default
Description
31:25
RV
-
Reserved.
24:24
RO_V
0x0
SMT Capability (SMT_CAPABILITY):
 Enabled threads in the package.
 
 0b - 1 thread
 1b - 2 threads 
23:16
RV
-
Reserved
9:8
RO_V
0x0
Thread Mask (THREAD_MASK):
Thread Mask indicates which threads are enabled in the core. The LSB is the 
enable bit for Thread 0, whereas the MSB is the enable bit for Thread 1.
 
This field is determined by FW based on CSR_DESIRED_CORES[SMT_DISABLE].
7:0
RO_V
0x0
Core Mask (CORE_MASK):
The Core Mask indicates the enabled / active (non-defeatured) IA cores. The 
mask is indexed by logical ID. 
It is normally contiguous, unless BIOS defeature is activated on a particular 
core. Processor will read this mask in order to decide on BSP and APIC IDs.
Note: 
This field contains Core 0-7 information. The Core 8-14 can refer to 
RESOLVED_CORES_MASK2[CORE_MASK].
This field is updated by the HW after reset based upon the value programed in 
the CSR_DESIRED_CORES[CORE_OFF_MASK] field by the FW.