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The pow r circuit of the CPU core voltage must be
e
checked to ensure system stability for high speed CPUs (such as the new
Pentium III, or when overclocking). A typical CPU co
re voltage is 2.0V, so a good design should control voltage between 1.860V
and 2.140V. That is, the transient must be below 280mV. Below is a timing diagram captured by a Digital Storage Scope, it
shows the voltage transient is only 143mv even when maximum 60 current is applied.
Note: This diagram for example only, it may not exactly be the same motherboard.
73
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