Intel E7-8891 v2 CM8063601377422 User Manual

Product codes
CM8063601377422
Page of 504
Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
237
Datasheet Volume Two: Functional Description, February 2014
Integrated I/O (IIO) Configuration Registers
14.2.54 DEVCAP2
PCI Express Device Capabilities 2 Register.
Type:
CFG
PortID:
N/A
Bus:
0
Device:
0Function:0
Bus:
0
Device:
2Function:0-3
Bus:
0
Device:
3Function:0-3
Offset:
0xb4
Bit
Attr
Default
Description
31:14
RV
-
Reserved.
13:12
RW_O
0x1
tph_completer_supported:
Indicates the support for TLP Processing Hints. Processor does not support 
the extended TPH header.
00: TPH and Extended TPH Completer not supported.
01: TPH Completer supported; Extended TPH Completer not supported.
10: Reserved.
11: Both TPH and Extended TPH Completer supported. 
11:10
RV
-
Reserved.
9:9
RO
0x1
atomic128bcascompsup:
Unsupported.
8:8
RO
0x1
atomic64bcompsup:
Unsupported.
7:7
RO
0x1
atomic32bcompsup:
Unsupported.
6:6
RO
0x0
atomicroutsup:
Unsupported.
5:5
RW_O
0x1
ari_en:
Alternative RID InterpretationCapable 
The value 0x1 indicates Root Port supports this capability. 
4:4
RO
0x1
cmpltodissup:
Completion Timeout Disable Supported  
IIO supports disabling completion timeout 
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