Intel E7-8891 v2 CM8063601377422 User Manual

Product codes
CM8063601377422
Page of 504
Intel
®
 Xeon
® 
Processor E7-2800/4800/8800 v2 Product Family
73
Datasheet Volume Two: Functional Description, February 2014
Registers Overview and Configuration Process
12.1.2
Processor Uncore Devices (CPUBUSNO (1))
The configuration registers for these devices are mapped as devices residing on the PCI 
bus assigned for the processor socket. Bus number is derived by the max bus range 
setting and processor socket number.
• Device 8: Intel
®
QPI Link 0. 
• Device 9: Intel
®
QPI Link 1. 
• Device 10: Processor Power Control Unit. 
• Device 11: Processor Interrupt Event Handling (UBox).
• Device 12, 13 and 22: Processor Core Broadcast. 
• Device 14: Processor Home Agent 0. 
• Device 15 and 16: Integrated Memory Controller 0. 
• Device 17: Intel
®
 SMI2 (VMSE0 & VMSE1). 
• Device 18 and 19: Processor Performance Monitoring and Ring. 
• Device 24: Intel
®
QPI Link 2. 
• Device 28: Processor Home Agent 1. 
• Device 29 and 30: Integrated Memory Controller 1. 
• Device 31: Intel
®
 SMI2 (VMSE2 & VMSE3). 
12.2
Configuration Register Rules
The Intel® Xeon® Processor E7-2800/4800/8800 v2 Product Family supports 
configuration register types:
Figure 12-2. Processor uncore devices map
Bus= CPUBUSNO(1)
Intel QPI 
Link 0 
(Device 8)
Integrated Memory 
Controller 0 
(Device 15 and 16)
Processor
Intel QPI 
Link 1 
(Device 9)
Integrated Memory 
Controller 1
(Device 29 and 30)
 Core 
Broadcast(CBO)  
 (Device 12,13 and 
22)
CPU Interrupt 
Handling(UBOX)
(Device 11)
CPU  Home 
Agents  
(Device 14 
and 28)
Performance 
Monitoring  
(Device 
8,9,14,16,18,  
19, 24, 28 
and 30)
Power 
Control 
Unit(PCU) 
(Device 10)
Intel QPI 
Link 2 
(Device 24)
VMSE (Device 
17 and 31)
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