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Cpu configuration, Hyper-threading, Execute disable bit – NEXCOM NDiS 126 User Manual

Page 64: Limit cpuid maximum

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Copyright © 2011 NEXCOM International Co., Ltd. All Rights Reserved.

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NDiS 126 User Manual

Chapter 4: BIOS Setup

CPU Configuration

This section is used to configure the CPU. It will also display detected CPU
information.

Save & Exit

Advanced

Chipset

Boot

Security

Main

Version 2.13.1216. Copyright (C) 2011 American Megatrends, Inc.

Aptio Setup Utility - Copyright (C) 2011 America Megatrends, Inc.

→←: Select Screen
↑↓: Select Item
Enter: Select
+/-: Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit

Enabled for Windows XP and
Linux (OS optimized for

Hyper-Threading Technology)
and Disabled for other OS (OS

not optimized for
Hyper-Threading Technology).
When Disabled only one thread
poer enabled core is enabled.

CPU Configuration

Processor Type

EMT64

Processor Speed

System Bus Speed

Radio Status

Actual Ratio

Processor Setpping

Microcode Revision

L1 Cache RAM

L2 Cache RAM

Processor Cores

Hyper-Threading

Hyper-threading

Execute Disable Bit

Limit CPUID Maximum

Intel (R) Atom(TM) CPU

Supported

2132 MHz

533 MHz

16

16

30061

262

2x56k

2x512k

Dual

Support

[Enabled]

[Enabled]

[Disabled]

Hyper-Threading

Enable this field for Windows XP and Linux which are optimized for Hyper-
Threading technology. Select disabled for other OSes not optimized for
Hyper-Threading technology. When disabled, only one thread per enabled
core is enabled.

Execute Disable Bit

XD can present certain classes of malicious buffer overflow attacts when
combined with a supporting OS (Windows Server 2003 SP1, Windows XP
SP2, SuSE Linux 9.2, Redhat Enterprise 3 update 3.)

Limit CPUID Maximum

Enable or Disable limit CPUID Maximum for Windwos XP