Datasheet

Intel
®
Xeon
®
Processor E7-2800/4800/8800 v2 Product Family 157
Datasheet Volume Two: Functional Description, February 2014
Processor Uncore Configuration Registers
13.4 PCIe* Ring Interface (R2PCIE) Registers
13.4.1 Device 19 Function 0
13.5 Intel® QuickPath Interconnect (Intel® QPI)
Agent Registers
Device 8 corresponds to QPI0, Device 9 to QPI1, and Device 24 to QPI2.
13.5.1 Device 8, 9, 24 Function 0
Register name Offset Size
VID 0x0 16
DID 0x2 16
PCICMD 0x4 16
PCISTS 0x6 16
RID 0x8 8
CCR 0x9 24
CLSR 0xc 8
PLAT 0xd 8
HDR 0xe 8
BIST 0xf 8
SVID 0x2c 16
SDID 0x2e 16
CAPPTR 0x34 8
INTL 0x3c 8
INTPIN 0x3d 8
MINGNT 0x3e 8
MAXLAT 0x3f 8
Register name Offset Size Device
VID 0x0 16 8, 9, 24
DID 0x2 16 8, 9, 24
PCICMD 0x4 16 8, 9, 24
PCISTS 0x6 16 8, 9, 24
RID 0x8 8 8, 9, 24
CCR 0x9 24 8, 9, 24
CLSR 0xc 8 8, 9, 24
PLAT 0xd 8 8, 9, 24
HDR 0xe 8 8, 9, 24
BIST 0xf 8 8, 9, 24
SVID 0x2c 16 8, 9, 24
SDID 0x2e 16 8, 9, 24