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additional logical processors and spawning multiple threads, which can exploit
the additional processing power.
As well as considering whether the operating system you are installing supports
Hyper-Threading, there may be licensing implications to consider before enabling
Hyper-Threading technology.
For a more detailed discussion on Hyper-Threading technology, refer to:
Table 3-2 lists the supported operating systems for the x440 and the level of
support for Hyper-Threading technology provided by the operating system.
In the column titled Hyper-Threading Support:
None indicates the operating system does not recognize the logical
processors that Hyper-Threading enables.
Yes indicates that the operating system recognizes the logical processors and
can execute threads on them but is not optimized for Hyper-Threading.
Optimized indicates that the operating system recognizes the logical
processors and the operating system code has been designed to fully take
advantage of the technology.
Table 3-2 x440 operating system support
Description
Windows 2000 Server
Windows 2000 Advanced Server
Windows 2000 Datacenter Server
Windows NT Enterprise Edition
Windows .NET Server
Windows .NET Enterprise Server
Windows .NET Datacenter Server
NetWare
Red Hat Linux Advanced Server
SuSE Linux Enterprise
1
Release
SMP support
SP2/3
Supports up to four-way
SP2/3
Supports up to eight-way
SP3
Supports up to 32-way
4.0
Only supports four-way on the x440
Hot-plug PCI not supported
1Q/03
Supports up to two-way
1Q/03
Supports up to eight-way
1Q/03
Supports up to 32-way
6.0
Supports up to 32-way
2.1
Supports up to eight-way
8.0
Supports up to eight-way
Hyper-Threading
support
Yes
Yes
2
Yes
None
Optimized
Optimized
2
Optimized
2, 3
Yes
4
Yes
4
Yes
Chapter 3. Planning
91
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