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Do you have memory for your computer and need help installing it? Check out our site for comprehensive information about installing memory into your computer. No matter what kind of computer you have, we can help. Enter here 4 All Memory.Com warrants that all products are free from defective material and workmanship and, subject to the conditions set forth below, agrees to repair or replace any part of a product that proves defective by reason of improper workmanship or materials without charge for parts and labor. Memory Lifetime free replacement of defective modules with 4AllMemory.com. 30-Day money back on all memory products. No credit or refund after 30 days. Customer agrees to assume shipping charges on return shipments to 4 All Memory and 4 All Memory agrees to assume shipping charges back to customer. Lifetime is defined as the lifetime of the product on the market. Outdated technology is not covered by lifetime warranty if the item is no longer available on the common market as a new product. There are two 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 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 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. EDO DRAM. Extended Data Out DRAM EDO speeds are measured in nanoseconds. You can buy EDO as fast as 50ns for your personal computer main memory (you may see faster EDO DRAM on some graphics cards. EDO memory is commonly available as 72-pin SIMMs). FPM DRAM. Fast Page Mode DRAM Fast-page mode is becoming increasingly scarce, but, unless you''re running a very early system (430NX chipset or earlier) or a 486 system, you probably don''t want to get DRAM. Fast-page mode memory comes in SIMMs. RDRAM is shipped in RIMMs (RAMBUS inline memory modules). Future systems using the Intel 820 chipset and the upcoming 600MHz plus Pentium IIIs will use RAMBUS memory, but they aren''t out as of this writing. Way back in the dark ages of the PC architecture, I once owned an original Compaq portable. While the Compaq supported a whopping 640KB of RAM, it only came with 256KB. I upgraded my Compaq myself with an additional 384KB of memory by carefully inserting 27 individual 16KB RAM chips. The hunger for memory has steadily increased since then; 64MB is no longer unusual. Upgrading memory is easier, too; you no longer must painfully insert individual RAM chips. |
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