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Dual-core Xeons on the Paxville core support Hyper-Threading, so each processor is viewed by the OS as two physical and four logical units.

That is, a dual-processor system based on Paxville CPUs can work with eight execution threads simultaneously.

We’d like to note that even Windows XP Professional SP2, not to mention newer products from Microsoft, works without any limitations on a dual-processor system with two dual-core Xeons, despite such a big number of CPU-like units. Below is the formal specification of the Paxville-core Xeon:

Dual-Core Intel Xeon 2.8 GHz

S-Spec

SL8MA

Clock frequency

2.8GHz

Packaging type

604 pin

L2 cache

2x2048KB

Bus frequency

800MHz

Core stepping

A0

Manufacturing technology

90nm

Typical heat dissipation

135W

Maximum package temperature

72o C

Vcore

1.25-1.4V

Hyper-Threading support

Yes

EM64T technology support

Yes

Execute Disable Bit support

Yes

Heat dissipation and
power management

Enhanced Intel SpeedStep

The latest version of CPU-Z already knows the Paxville and reports the following about the dual-core Xeon:

 

 
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