The Unabridged Pentium 4 IA32 Processor Genealogy

Acronyms

Term	Description
A/D	Analog-to-Digital converter.
AC	Alignment Check.
AC '97 Link	Audio Codec (AC) '97 Link.
ACPI	Advanced Configuration and Power Interface.
AF	Auxiliary Carry bit in the EFlags register.
AGP	Accelerated Graphics Port.
AGTL+	Assisted Gunning Transceiver Logic Plus.
ALU	Arithmetic Logic Unit.
AM	The Alignment Mask bit in CR0.
AOS	Array of Structures.
AP	Application Processor (as opposed to Boot Strap Processor).
APIC	Advanced Programmable Interrupt Controller.
APR	Arbitration Priority Register.
ASZ	Address Size field in a FSB transaction.
ATC	Advanced Transfer Cache (the L2 Cache).
ATTR[7:0]	The Attribute signals indicate the type of memory (UC, WC, WP, WT or WB) being addressed in a FSB transaction.
B	The Busy bit in a TSS descriptor. The Big bit in a ...