eMachines D5239 Memory Specifications
The D5239 is a desktop computer manufactured by eMachines. Understanding the desktop's memory specifications helps you determine what memory upgrade options are available. If you know what you need and how to install it, you can begin shopping around to figure out how much the upgrade will cost. Upgrading the computer's random access memory (RAM) can lead to improved performance, multi-tasking and stability.
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Type and speed
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The eMachines D5239 desktop utilizes 240-pin Dual Data Rate 2 (DDR2) memory. The desktop uses PC2-5300 memory, sometimes written as just "PC-5300." This particular type of RAM has a peak transfer rate of 5333 MB-per-second. With that speed, Crucial memory experts inform that such memory is capable of 667 million data transfers per second. This type and speed will likely allow you to surf the Internet, watch video and play casual games but it's not suited for resource-hungry gaming. The memory is backwards compatible with lower speed DDR2 memory but buying faster memory won't improve speed; the more expensive faster DDR2 will act at speeds for which your system was made. It's important to remember that DDR2 memory is absolutely incompatible with all forms of DDR and DDR3 memory -- neither type will work in a DDR2-specific system.
Form Factor, Limits and Configuration
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As a desktop computer, the eMachines D5239 uses Dual Inline Memory Modules (DIMMS). This is important to note because desktop memory is physically larger than laptop memory, Small Outline Dual Inline Memory Modules (SODIMM). Depending on how eMachines or the reseller you bought your computer from configured the desktop, your computer came with either 512MB or 1GB of RAM already installed. The system can hold a maximum of 2GB between two memory sockets located in the desktop's tower. If you're unsure how much yours has, you can click "Start," right-click "Computer" and click "Properties." The resulting screen should detail your current amount of memory.
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What to Look For
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When the type, speed, form factor and configuration all come together, you'll be looking for memory labeled as "240-pin PC2-5300 DDR2 DIMM." If your computer came with 512 MB installed, consider either purchasing two 1GB memory modules to achieve your system's maximum limit. You can use any configuration of the amount, so long as you don't exceed 2GB in total. Doing so won't harm your system, it's simply a waste of money since your computer will only use as much as it was designed to use.
Installation
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Check with the owners' manual that came with your D5239 for specific instructions on upgrading the memory. Your desktop's tower will either have screws on one side or latches to open the tower and access the components inside. After turning your computer off and removing all cables from the tower, remove the siding. Find the memory bays and press lightly on the clips holding the current module in place, if you're replacing it. Pull the loose module free and insert the largest module you're installing into the same slot, slot one. For example, if you're installing a 1GB module and a 512MB module, install the 1GB in the first slot. Insert the memory in the same direction the old memory was installed in. Do the same thing for the other module, ensuring they're snugly held in place by the clips before reassembling your PC.
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References
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