Yes, the L4S8A V1.0 supports Intel's Hyper-Threading technology. If you install a CPU with Hyper-Threading such as P4 3.06G on this MB, there is "Hyper-Threading technology" item in BIOS to let you enable or disable this new feature.
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How many channels does the onboard audio of L4S8A V1.0 support?
The L4S8A V1.0 is built in CMI 9739A Audio chip with additional Dolby Digital decoder which supports up to 6 channels.
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Does L4S8A V1.0 support USB2.0?
Yes, the L4S8A V1.0 comes with SiS 963L chip which supports USB 2.0.
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Does L4S8A v1.0 support DDR400?
No, the L4S8A v1.0 only supports to DDR333 maximum.