Motherboards: Hardly Different On The Outside
In spite of changes to the pin layout, smaller core voltages and reworked chipsets, the switch to the Tualatin was made easy for motherboard manufacturers. Hardly anything needs to be changed in the layout, because farsighted companies have already built in voltage regulators with a greater range. The chipset remains completely pin-compatible, regardless whether it is an Intel 815 or VIA Apollo Pro 133 (A or T). Only the circuits for the 10 new pins need to be correctly assigned - a simple step in practice.
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