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ab ch7 stack2

General Protection Fault (GPF) A Windows error that occurs when a program attempts to access a memory address that is not available or is no longer assigned to it.
memory bank The memory a processor addresses at one time. Today's desktop and notebook processors use a memory bank that is 64 bits wide.
parity An error-checking scheme in which a ninth, or "parity," bit is added. The value of the parity bit is set to either 0 or 1 to provide an even number of ones for odd parity.
parity error An error that occurs when when the number of 1s in the byte is not in agreement with the expected number.
re-marked chips Chips that have been used and returned to the factory, marked again, and resold. The surface of the chips may be dull or scratched.
RIMM A type of memory module developed by Rambus, Inc.
SIMM (single inline memory module) A miniature circuit board used in older computers to hold RAM. SIMMs holds 8, 16, 32, or 64 MB on a single module.
Single channel The memory controller on a motherboard that can access only one DIMM at a time.
single ranked DIMMs that provide only one 64-bit bank. All memory chips on the DIMM are accessed at the same time.
single-sided Memory chips embedded on only a single side of a DIMM.
SO-DIMM (small outline DIMM) A type of memory module used in notebook computers that uses DIMM technology. A DDR3 SO-DIMM has 204 pins. A DDR2 or DDR SO-DIMM has 200 pins. Older, outdated SO-DIMMs can have 72 pins or 144 pins.
synchronous DRAM (SDRAM) A type of memory stored on DIMMs that runs in sync with the system clock, running at the same speed as the motherboard.
triple channels When the memory controller accesses three DIMMs at the same time. DDR3 DIMMs support triple channeling.
Created by: abrophy11