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<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE glossentry PUBLIC "-//OASIS//DTD DITA Glossary//EN" "glossary.dtd">
<glossentry xml:lang="en-us" id="glossentry-apic">
<glossterm>APIC</glossterm>
<glossdef>
Advanced Programmable Interrupt Controller, a newer version of
the original PC PIC (programmable interrupt controller). Most
modern CPUs contain an on-chip APIC, called a local APIC. Many
systems also contain an I/O APIC (input output APIC) as a
separate chip which provides more than 16 IRQs. Windows 2000
and later use a different kernel if they detect an I/O APIC
during installation. Therefore, an I/O APIC must not be
removed after installation.
</glossdef>
</glossentry>
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