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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. Check here 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 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 located within the CPU and as a result are not upgradable. What does the CL stand for on memory chips? CL stands for CAS Latency. When a module is labeled CL2 it means there are only two clock cycles before the module can send the first block of data. CL3 means there are three cycles before the first block of data is sent. Cl2 is considered to be a small percentage faster than CL3 modules. PC100 and PC133 modules are manufactured as both CL2 and CL3. You will need to check with your system''s requirements to see which option is compatible with your system. Does it matter which slots I plug my new module in? In general, you will get the best performance if you put the largest module (in megabytes) in the lowest-numbered slot. For example, if your computer comes with 32MB of removable memory and you want to add 128MB, it would be best to put the 128MB module into slot 0 and the 32MB module into slot 1. My system will not boot after installing your memory? Are you getting an error message on the monitor? If it states a Non-System Disk error occurred, check to make sure that you do not have a non-bootable disk in the floppy drive, or even the CD-ROM drive if your system can boot to the CD drive. FEATURES RAM comes in the form of a chip, and to increase memory, you simply plug additional chips in to slots on your computer''s main board. The capacity of a RAM chip is measured in megabytes, or millions of bytes. Most systems now come with 48MB of RAM and up. You should have at least 32MB of RAM for running Windows, but with the ever-growing demand for memory, 64 MB or higher is ideal. BUYING TIPS Before buying additional memory for your computer, consult the hardware manual that came with your computer. The manual will tell you what kind of memory is required for your system. It is also important to check the number of RAM slots in your computer, as there is a limited number on the main board for installing memory (anywhere from two to eight). You can only install as many memory modules as you have slots, so plan ahead. If you want to add or upgrade to 128MB of RAM, for instance, get a single 128MB RAM chip, not two 64MB modules. This will save you one RAM slot for future expansion. |
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