Artesyn ATCA-7470 Installation and Use (October 2014) - Manual (Page 94)

BIOS
ATCA-7470 Installation and Use (6806800P15K) 94
CPU1 PCIe to RTM Width x4x4x4x4,
x4x4x8,x8x4x4,x8x8
(Default), x16 Selects CPU1 PCIe port Bifurcation for
Zone 3 connector (RTM).
CPU1 PCIe to RTM Speed Auto (Default), Gen1,
Gen2, Gen3 Selects CPU1 PCIe Speed for Zone 3
connector (RTM). Auto: uses the highest
possible PCIe speed Gen1: 2.5 GT/s, Gen2:
5 GT/s, Gen3: 8 GT/s
Table 4-4 Advanced --> CPU Configuration
Item Values Description
Active Processor Cores All (Default),
1, 2, 3, 4, 5, 6, 7 Number of cores to enable in each
processor package
Intel (R) HT Technology Enable (Default)
Disable When Disabled only one thread per
enabled core is enabled
Execution Disable Enable (Default)
Disable Execution Disabled functionality. Also
known as Data Execution Prevention (DEP).
Direct Cache Access Enable (Default)
Disable Enable/Disable Direct Cache Access
Intel (R) Virtualization
Technology Enable (Default)
Disable When enabled, a virtual machine (VM) can
utilize the additional hardware capabilities
Table 4-5 Advanced --> CPU Configuration -> Processor Power Management
Item Values Description
Intel (R) SpeedStep(tm) Enable
Disable (Default) Enable/Disable processor performance
states (P-States)
Turbo Mode Enable (Default)
Disable Enable/Disable processor Turbo Mode.
Turbo Mode is only available when Speed
Step is enabled.
C-States Enable (Default)
Disable Enable/Disable processor idle power saving
states (C-States)
C3-State Enable
Disable (Default) Enable/Disable processor idle power saving
C3 state
Table 4-3 Advanced --> RTM Configuration
Item Values Description