Datasheet

Processor Uncore Configuration Registers
184 Intel
®
Xeon
®
Processor E7-2800/4800/8800 v2 Product Family
Datasheet Volume Two: Functional Description, February 2014
24:24 RO_FW 0x0
QPI_LINK1_DIS:
When set Intel
®
QPI link 1 will be disabled.
23:23 RO_FW 0x0
QPI_LINK0_DIS:
When set Intel
®
QPI link 0 will be disabled.
22:22 RO_FW 0x0
SPARE_SIGNED_FW:
Spare
21:20 RO_FW 0x0
(THERMAL_PROFILE):
Spare
19:19 RV -
Reserved:
Reserved.
18:18 RO_FW 0x0
PCIE_DISROL:
Disable Raid-on-load
17:17 RO_FW 0x0
PCIE_DISLTSX:
Disable LTSX
16:16 RO_FW 0x0
PCIE_DISLT:
Disable Intel TXT
15:15 RO_FW 0x0
PCIE_DISPCIEG3:
Disable PCIe* Gen 3
14:14 RO_FW 0x0
PCIE_DISDMA:
Disable DMA engine and supporting functionality
13:13 RO_FW 0x0
PCIE_DISDMI:
Disable DMI interface
12:3 RO_FW 0x0
PCIE_DISXPDEV:
Disable specific PCIe* port (example: 2x20 (EP), 1x20 (EN2), 2x20 (EN1)
speed supported here)
2:1 RO_FW 0x0
PCIE_DISx16:
Disable the PCIe* x16 ports (limit to x8’s only)
0:0 RO_FW 0x0
PCIE_DISWS:
Disable WS features such as graphics cards in PCIe* gen 2 slots
Type: CFG PortID: N/A
Bus: 1 Device: 10 Function: 3
Offset: 0x8c
Bit Attr Default Description