Should I enable multi threading in BIOS?

Should I enable multi threading in BIOS on this machine?

System

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Manufacturer Dell Computer Corporation

Model Dimension 8300

Total amount of system memory 3.00 GB RAM

System type 32-bit operating system

Number of processor cores 1

64-bit capable No

Storage

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Total size of hard disk(s) 689 GB

Disk partition (C:) 63 GB Free (224 GB Total)

Media drive (D:) CD/DVD

Media drive (E:) CD/DVD

Disk partition (F:) 224 GB Free (466 GB Total)

Graphics

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Display adapter type NVIDIA GeForce 6200

Total available graphics memory 879 MB

Dedicated graphics memory 512 MB

Dedicated system memory 0 MB

Shared system memory 367 MB

Display adapter driver version 9.18.13.908

Primary monitor resolution 1024x768

DirectX version DirectX 9.0 or better

Network

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Network Adapter Intel(R) PRO/100 VE Network Connection

Notes

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The gaming graphics score is based on the primary graphics adapter. If this system has linked or multiple graphics adapters, some software applications may see additional performance benefits.