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Along with the progression of RAM size, chip technology has changed to the point where it’s become fairly difficult to know what type of RAM your system needs. The irony is that it’s actually more difficult and time-consuming to become familiar with RAM than it is to install it, which should take less than 10 minutes. A RAM Discovery. There are three ways to discover how much RAM is in your PC. Look under the Total column for the amount of RAM your system has. The amount is listed in kilobytes (KB); to convert it to megabytes, just eliminate the numbers after the comma. For example, if the amount is 16,192KB, remove the 192. You have 16MB of RAM. Another way to find your memory is to watch your monitor as the computer boots up. The Basic Input/Output System (BIOS), which controls your system’s start-up routines, runs a diagnostic test on the computer’s peripheral hardware. In the process, it tells you how much memory you have.

What is SDRAM? SDRAM is an acronym for Synchronous Dynamic Random Access Memory. The term "Synchronous" means that the clock cycle of the memory is exactly synchronized with the clock cycle of the bus. Every calculation and operation a PC performs is timed according to a clock ticking millions of times each second, its clock cycle or megahertz rating. If the memory clock cycle is not in sync with the bus clock cycle, system problems will occur. What is Cache Memory? Cache, pronounced "cash", is a high-speed memory designed to supply the processor with the most frequently requested data compaq laptop batteries and instructions. the information located in the cache memory can be accessed many times faster than information in the system''s main memory. the more information your system can retrieve from the cache memory, the more efficient the system will run. level 1 (l1) cache, also referred to as primary cache, is normally located inside the cpu chip. level 2 (l2) cache, also referred to as secondary cache, was normally located on the system board near the cpu in the past. in today''s systems, both are physically batteries located within the cpu and as a result are not upgradable.

there disposable laptop batteries are two batteries types of cache in your computer: level 1 and level 2. the level 1 cache (also known as l1 cache) is inside the cpu itself, and you really have no control over quantity and speed. the level 2 cache (also discount laptop batteries known as l2 cache) are all external to the chip. the l2 cache on the nside the cpu package (though still external to the cpu chip itself). those systems run on motherboards with a variety of core logic chipsets. however, some of them are designed so that the l2 cache only works with the first 64mb of ram in your system. the two main culprits are the chipsets—two of the most common chipsets available. now, 64mb is a lot of ram, so it''s not like your system is somehow batteries crippled (at least, not for gaming). but you should be aware that in the case of boards using these chipsets, more is not necessarily better. motherboards with the chipset probably can cache up to 512kb of ram, but a few motherboard makers cheaped out and left out a critical tag ram chip and—you guessed it—those boards can only cache the first 64mb or ram. to my knowledge, boards that use the can cache more than 64mb, but be wary.

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