"Russell" == Russell Harper writes:

Russell In the motherboard/CPU combos listed under pricewatch.com,
Russell most of the ones with AMD Athlon 64 3800+ processors are
Russell clocked at 1.8GHz, instead of 2.4GHz. Is this because of
Russell limitations in the motherboard, RAM, cooling, etc.?

Looks like a pricewatch error. Check the motherboard sites for the
specs.

Good luck