Sunday, September 19, 2010

Regal DDR400 memory trial report



As the Year of the Monkey after Golden Week, PC hardware market, began a new year and loves the race, keep the memory is from the red when they play a game beginning.

Memory, the Big Three as one of PC products, but seem to always update their technology to follow the development of CPU technology development. However, when the introduction of Shique DDR400 support issues facing the platform. Although early VIA released the KT400 early last year, platform, coupled with NVIDIA's nForce2, but early on these two chipsets support DDR400 is not very good, performance is also very limited. So more people choose to DDR333, are reluctant to buy much higher price, but is not optimistic about the DDR400. At that time the industry has generally agreed that the transition DDR400 DDRII products only, not to be optimistic about the prospects.

But in any field anything can change everything, and forest areas of the memory is not favored by the industry DDR400 suddenly ushered in the dawn of his day, all with the Intel code-named "Springdale" the 865/875 chipset release of vanished. Intel865/875 built in Intel platform, CPU front side bus upgrade to 800MHz, a bandwidth of 6.4GB / s. With the front-side bus to match the high bandwidth, Intel the first time in memory architecture uses dual-channel memory design, with dual channel DDR400 for Intel865/875 just energy and 800MHzFSB the new P4 processors to match. Because of Intel's support, JEDEC DDR400 quickly passed a certification, making DDR400 finally established its position, followed by a number of DDR400 products onto the market.

However, as I said before, due to the lack of DDR400 introduced uniform standards and norms, has led to a mixed case of memory products. Therefore, when choosing DDR400 products, an excellent brand has become critical. DDR400 eyes, they spontaneously put into the head of brand memory.

Buy brand memory - a wise choice.

Bulk memory, or as amended and brand compatible memory long struggle, but with the memory frequency, gradually, to the manufacturing process have become increasingly demanding, more and more memory brand recognized by consumers. Manufacturing process from the memory, the brand memory generally use 6 layers PCB board, with full power layer and wiring layer; and more common memory 4 layer PCB board, often among the various levels to do some integration, such stability there are obvious differences.

Secondly, the two particles have different memory used. Brand memory is generally used Hyundai, Samsung and other memory manufacturers A-particle production, quality is guaranteed. The bulk memory will take into account the cost factors, generally use lower levels of particles, and more polished way through counterfeit manufacturers products, whether in compatibility, or stability, not Nenggen brand memory comparison.

In addition, the bulk memory and brand memory in the memory speed is also very different. CAS - Column Address Strobe delay time is a measure of the speed of memory is an important basis for that column address strobe pulse time delay. Popular talk is an instruction memory processing takes time (measured in units of clock cycles). For example there are two CAS = 2.5 the bulk memory and brand memory, memory in bulk are often run less than CAS = 2.5, or in the long run in an error, leading to crashes. The brand memory will not be such a problem. And the current design of the platform they use a dual-channel mode, memory manufacturers have launched many brands specifically for dual-channel design of memory products, can avoid a lot of compatibility issues, but compliant memory is very difficult to do this.

In addition, the present generally in the SPD chip memory to store information, so that you can re-boot self-test when the board read, and memory settings for the optimum way of working. But the most common memory card compatibility as much as possible in order to sacrifice a little out of trouble this step, or in the SPD chip enter incorrect information, and most brands are not overlooked SPD memory settings.

We recommend this famous brand FUHAO DDR400 memory to many rich people do not know how consumers choose a path specified, you need to buy some useful information.

In the fiery beginning of 2004, DDR400 memory become the darling, not only because of its advanced technology, and once the price rose, leaving consumers to determine its value, even if slightly higher prices, consumers also can not stop the passion it generates. However, the memory is not rich hot to the market demand for follow-up gains, in both stable prices and with excellent quality to conquer and to attract the attention of consumers. Let us look at all aspects of its performance in the end how.

Compatibility between the various computer accessories has been a more difficult problem, but the memory test problems with one of the most accessories. Because different memory chips used in different particle size, PCB board design with industrial strengths and weaknesses, there is a certain degree of compatibility issues. Mainly between the memory and motherboard, memory and mixed memory can not be shown when inserting stable or simply not work. Under normal circumstances the memory in the factory are done a certain compatibility testing, but because many motherboards, memory, number of brands, to achieve 100 percent inspection is impractical. We present here the compatibility test, some mainstream chipset motherboard and memory to do some simple tests wealthy, the main test platform includes Intel875, Intel865, NVIDIA nForce2, VIA PT800 and the SIS 755TX. Through the compatibility of the most basic requirement: accurately identify memory capacity, and stability.

The default frequency for all kinds of DDR memory, are a very strict standards and precise working attitude, work in the same state, no matter what package with memory, what memory particles, as long as the operating frequency, memory control parameters the same, in theory at Performance should be within the error range is the same. But this is just a theoretical thing, in fact, often found in different memory chips, or even the same chip products from different vendors without the performance of small differences, but the memory finally for the user, so the user habits must be taken into account. And the theory of what is often the discrepancy, which is integrated by the sections of the memory of many factors. For the average user, in the purchase of memory should be more focus on compatibility, stability, and the actual performance. For hardware enthusiasts, overclocking memory capacity is also a factor to be considered. For this reason, the test in terms of platform, or test software, both from the general user requirements, and to make test results more meaningful to users.

Overclocking the memory test is the focus of testing, with the advent of 800MHzFSBP4, memory bandwidth is more important for the system, so we hope to improve the performance of the memory of working hours to improve the system conditions. The so-called memory overclocking, refers to state memory to exceed the standard of work. Memory performance is the result of the decision time, frequency, and memory in the BIOS memory speed option. Here, for the overclocking users Regal DDR400 two methods and means: a reduction in memory latency parameters in the BIOS. Most of the Intel865 motherboard's BIOS is optimized to provide the memory noisy sound. For example, as a test platform on MSI 865PE Neo2 BIOS provides the Slow, Fast (3-3-3-6), Turbo (2.5-2-2-5) and Ultra Turbo, etc. Some memory optimization model. Test, generally a level to rise.

Overclocking is usually another way to increase the sense of the memory operating frequency, can increase the CPU's FSB or CPU FSB asynchronous work to achieve. In overclocking mode, the memory parameter becomes rich or 3-4-4-8 2.5-4-4-8. Test, test is usually one step up, and constantly increase the memory bus frequency.

The Regal FH256MDDR400 our memory products for the description, it uses its own brand of memory rich particles, TSOP packaging, speed of 5ns, single-sided 8 6 layers design, good work.

From our understanding of the situation Regal DDR400, FH256M outstanding performance, overclocking performance, the 2.65V voltage, can be super to 460MHz. Overall, Volvo FH256M DDR400 is a request to be cost-effective products. 285 yuan in the market price closer to the average consumer, but also to the counter to buy a separate room so that there are some consumers get more benefits, not only DIYer enjoy DIY fun, but the machine is full of energy, powerful.







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