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One taboo: Budongzhuangdong, self-righteous



I have a friend who ran last year to buy a notebook, to see himself still a fit, want to buy but the feeling of the 24-speed CD-ROM with desktop appear to be somewhat compared to a very outdated, and asked the salesman replaced with 50-speed To increase how much money (notebook there is simply no 50-speed CD-ROM). compaq nx1050 battery How: This one can buy a do not slaughtered? Buy a computer that must be done before the knowledge of reserves, profits this year due to a single product becoming less and less people are selling things out of practice, and a rookie was found, Georgia slaughter or not. For example, the sales staff know that even the laptop people who do not understand basic common sense, certainly not aware of the need to consider who looks like a notebook "portable mini-computer", using a desktop CPU and motherboard chipset , looks like a little higher profile, the price a lot cheaper and listen to sales staff recommendation, immediately bought, but also made a lot of felt. Wait until discovered by a period of time, their notebooks longer and others not the same, there is no 1394, not even PCMCIA expansion slot, is simply a freak. But in the world can not buy medicine regret using them would not work, not worth selling, how can I do?



Here I want to say is, if this is not the line of the users need to buy their own laptops, they can find a knowledgeable friend with you, to help doing the reference. Of course, best to do a bit of their own stock of knowledge啦! Otherwise been slaughtered, and are still grateful. Of course, toshiba pa3465u-1brs battery we do not want you to buy a laptop notebook has become an expert啦! Probably understand a bit is always good, unless you're rich, you can buy a very high-end notebook computer, and simply do not care about the thousands of pieces, or you can go to the store where to buy big.



The second taboo: impractical, to catch up with the trend of



For notebook computers, the trend is only just promotion, advertising and more play, but not necessarily all very good. Now a lot of friends to buy the kind of ultra-low-end Centrino, and perhaps can be explained by this issue. Comparison of thermal time ago copied the domestic part of the brand play the yuan cheap Centrino notebooks, by comparison we can also find many of them are more able to meet only the basic operation Centrino and WindowsXP configuration, it can not be Centrino Experience superiority, at worst the battery life a little strong, but the performance may be compared with the same price of P4 models a lot worse.



The key is to look at your needs, if you particularly like the new experience of technology in your pocket, if need support, do not buy the cheapest kind of new products. Perhaps the performance of ultra-low-cost Centrino is not necessarily the same than the upper part of the price of the P3 laptop. hp presario c700 battery In this is only nothing wrong with selling to buy the wrong era, we must seize, "enough on the line" principle, good things can be more, the trend will never catch up.



First of all clear to buy their own laptop computers are used for what it does, the machine performance, mobile performance, battery life there, what other requirements, and then a slight expansion of the basic requirements that basically you compare the right machine.

题目 : laptop battery tips
种类 : 电脑

Apple will have to deliver their services to charge a fee. From the packaging to fine computer and then to the operating system, Apple's doing all it can transfer the competitors can not match the experience of the host. dell original inspiron 1525 battery As long as Apple keep living their professional experience and characteristics, I believe they will show even better.



But this is a designed specifically for consumer experience. Laptop battery Any use Mac OS X system, users will admit that this is a consumer product. Although it also features a number of enterprise-class features, but its style of business users than the adaptive Gengrang worry. Apple proud of the fresh Smart, design innovation, and other small features are making their products become popular fine operating system, ideal for users, but for the need to use it to complete some of the work load was too corporate users fancy a.



But who care about that? Mac OS X has nothing to do with business users, and sales of hardware. After all, have the iPod, iPhone, Apple TV, iMac, MacBook, MacBook Pro, MacBook Air and Mac Pro that make Apple the world's leading consumers to whom a popular product line, who would care about how the software?



Apple is a hardware company. In the past has always been and will continue to be. dell precision m65 battery Although they are developed irksome software, such as Mac OS X systems, notebook batteries, but the purpose of doing so is to increase the added value of their hardware. Consider; if Apple is a genuine software company, it will not waste time just for your computer operating system to develop a. It will send its own field of software sales to businesses of every major vendor to target Microsoft to improve their market share.



But this is not Apple's strategy. On the contrary, Apple has no plans to sell its own software, as they will attract users to buy the software as their hardware products, a key point of difference. If Apple makes Mac OS X sales to Dell, HP and other hardware manufacturers, Apple will lose the long run survival of a single advantage: a unique experience.





Is therefore time for us to have come to appreciate Apple's products, subtlety, dell vostro 1000 battery and laptop battery companies do not care about business users and should not be to take care of. Allow Microsoft to control the enterprise market bar. This is a complex market, honest to say that Apple is not necessary by virtue of control over the corporate market to succeed.<

题目 : 应用技巧
种类 : 电脑

1 3DMARK01
3DMark2001SE

2 3DMark 2003 V3.6.0
If you are a 3D game player, do not miss this set can be analyzed, tested, and to respond to the report of the performance of your computer's 3D effects of diagnostic tools, including image quality, dell xps m140 battery speed and other important reference data for mapping. At the same time it supports AMD 3DNOW! And P-III Streaming SIMD Extensions technology. Allows you to compare with the new generation of processors, take a look at the effect.

3 PCMark04 Build 130
PCMark 04 Version For Win2000/XP (2003 Nian 11 Yue 25 released) a comprehensive performance test computer tools. This is the famous Futuremark released another hardware test tools, software, exactly the same style and 3DMark03. Integrated online result browser can test your results with the world's largest performance database for comparison. PCmark 04 sets for ease of use and professional one, or even get started for just the PC users. PCMark 04 operation requires the following conditions: you must use Windows2000 or Windows XP, you must install Microsoft Internet Explorer 6, you must install the Microsoft Media Player 9, you must install the Microsoft Media Encoder 9, you must install DirectX 9.0 or later. Must be used in the HDD test part of the Windows XP, can not be carried out under Windows2000 this test. The hardware is not required to be so strict that you only have 130MB or more hard disk space and support for DirectX 7 of the display device can be. We, as an official download the node is still recommend this to a friend who is very easy to use test tools.

4 Super π Mod! V1.1 Chinese Version
Super π is a calculation of pi of small programs to support the calculation to 32 million after the decimal point. Because of its super-computing power, many people use it to measure the calculation speed of CPU computing performance, and CPU stability. The Super π Mod! Is n111co@hotmail.com in the original production based on the modified version, the time statistics accurate to milliseconds.

5 BatteryMark_401
Battery Mark is a notebook computer battery the authority of the test software to test laptop batteries in the general load and the maximum load of usage time.

Extract password:
Battery Mark is a notebook computer battery the authority of the test software to test laptop batteries in the general load and the maximum load of usage time.

6 3DMark05
3DMark05 Build 1.0.0

7 SiSoftware Sandra Professional 2005

This is a powerful tool for systematic analysis of competitions, dell xps m1330 battery with more than 30 kinds of the above analysis and testing of modules, as well as CPU, Drives, CD-ROM/DVD, Memory of the Benchmark tool, it can also report on the results list will be analyzed Save .

8 MobileMark 2002 (yet to find a download, there is download the software addresses or friend please contact me)
Finish the software
Your machine still survive, then
Note the machine is still very stable
Software testing can also be learned from the performance of their machines

As notebook computers in terms of relative to the desktop, compact structure, complex, unlike the desktop as easy to disassemble and inspection, and notebook computers, or relatively high-priced products, few users dare to casually chaotic demolition, no doubt to the user test has brought difficult.

More fortunate is that intelligent human beings always respond to a series of problems arise, there are a series of software can help test laptops, the source of the software includes two categories: one is notebook computer manufacturer, or parts makers to test their own products used in commercial professional software, such as IBM's hard drive, battery testing tools; the other is to share class of software, mostly for notebook computer users, or enthusiasts developed tools, such as the test speaker using High/Low- test.

Here we have the key components for notebook computers, to introduce a series of frequently encountered problems and associated common test software, want to help the general notebook computer users.

CPU distinguish the authenticity of



Buy notebook computer, the main problems we face to test whether to use a dedicated notebook for mobile-type CPU, Mobile CPU than the desktop CPU with a smaller heat it easier for system stability. dell vostro 1700 battery There is little need to note that due to motherboard problems, we have from the "My Computer" to see the properties of the information is not necessarily correct.



Test Software: 1, fidchs1739.exe



This procedure allows the determination of the frequency of the Intel CPU, from the Intel Web site can be downloaded. It can test the Pentium, P Ⅱ, P Ⅲ processor's frequency and bus frequency, including the factory frequency and frequencies currently in use. One Intel Processor Frequency ID Utility can be used to identify your Intel processor-based models and key performance data.

题目 : 应用技巧
种类 : 电脑

Axx company designs, can be dealt with at the same time, 64-bit integer operations, and compatible with X86-32 architecture. Which supported 64-bit logical addressing, while providing options for converting 32-bit addressing; but data manipulation instructions default to 32-bit and 8-bit, providing converted into 64-bit and 16-bit option; support for general-purpose registers, if it is a 32-bit computing operations, the results should be extended into a full 64-bit. dell inspiron 1000 battery This directive has a "direct execution" and "convert the implementation of" the difference between the instruction field is 8-bit or 32-bit, to avoid the field too long.



x86-64 (also known as Axx64) generation is not groundless, x86 processor, 32bit address space limited to 4GB of memory, while the IA-64 processors can not compatible with x86. Axx give full consideration to the needs of customers, strengthen x86 instruction set of the features that make this set of instruction set can simultaneously support 64-bit computing model, so the structure of Axx called them x86-64. Technically Axx on x86-64 architecture in order to carry out a 64-bit computing, Axx added for the introduction of general-purpose registers R8-R15 as the expansion of the original X86 processor registers, but in the 32-bit environment is not entirely the use of these registers. The original registers such as EAX, EBX has also expanded from 32 to 64. SSE unit in the newly added 8 new registers to provide support for SSE2 support. An increase in the number of registers will bring performance improvements. At the same time, in order to support both 32 and 64-bit code and registers, x86-64 architecture allows the processor to work in the following two modes: Long Mode (long mode) and Legacy Mode (genetic model), Long mode is divided into two kinds of sub - mode (64bit mode and Compatibility mode compatibility mode). The standard has been introduced in the Axx processor Opteron server processors.



Also introduced this year to support 64-bit EM64T technology, and then not yet been formally appointed as EM64T before IA32E, which is Intel's 64-bit extension technology's name, to distinguish X86 instruction set. Intel's EM64T 64-bit sub-mode, and Axx's X86-64 technology is similar to using a 64-bit flat linear addressing, adding eight new general-purpose registers (GPRs), also added eight registers to support SSE instructions. With Axx similar, Intel's 64-bit technology will be compatible with IA32 and IA32E, only when running 64-bit operating system when it will be used IA32E. IA32E will be composed of two sub-mode: 64-bit sub-mode and 32-bit sub-mode, as with the Axx64 downward compatible. Intel's EM64T will be fully compatible with the X86-64 technology Axx. Nocona processor now has joined a number of 64-bit technology, Intel's Pentium 4E processors also support 64-bit technology.



It should be said, both of which are x86-compatible 64-bit microprocessor instruction set architecture, EM64T and Axx64 but there are a few different places, Axx64 the NX-bit processor in the Intel processor will be not available.


RISC is in English "Reduced Instruction Set Computing" acronym, the Chinese meaning "reduced instruction set." It is based on the CISC instruction set developed, some of the CISC machine tests show that the frequency of the use of a variety of instruction rather poor, the most commonly used are relatively simple instructions, dell e1505 battery they accounted for only 20% of total orders, however, appear in the program accounted for 80% of the frequency. A complex instruction set will increase the complexity of the microprocessor, so that the processor developed a long time and high costs. And complex instructions require complex operations, is bound to slow down your computer speed. For these reasons, the 20th century, 80 years RISC-type CPU was born, as opposed to CISC-based CPU, RISC-type CPU is not only streamlined command system, also used a technique called "superscalar and super-pipelined structure," has greatly increased the capacity of parallel processing . RISC instruction set is a high performance CPU's development direction. It is with the traditional CISC (complex instruction set) relative. In contrast, RISC instruction format for a unified, relatively few species, addressing ways less than a complex instruction set. Of course, the processing speed for increased a lot. Now widely used in high-end server, the directive system, CPU, especially the high-end servers using RISC instruction set all the CPU. RISC instruction set is more suited to high-end server operating system, UNIX, is now part of Linux is also similar to UNIX operating system. RISC-type CPU with Intel and Axx's CPU in software and hardware are not compatible.



CISC instruction set, also known as complex instruction set, the English name is CISC, (Complex Instruction Set Computer abbreviation). In the CISC microprocessor, the program instructions are based on the order of the serial execution, each instruction in the various operations are performed according to the order of the serial. Sequential implementation has the advantage of simple control, but the utilization of the various parts of the computer is not high, the implementation is slow. In fact, it's an Intel x86-series (that is, IA-32 architecture) CPU and compatible CPU, such as Axx, VIA's. Even now the new date of X86-64 (also as Axx64) belong to the CISC category.



Want to know what is the instruction set but also from today's X86 architecture CPU talking about. X86 is the Intel instruction set for its first one 16-bit CPU (i8086) specifically developed, IBM1981 launched the world's first PC, the CPU-i8088 (i8086 simplified version) is also used by X86 instruction, while the computer to enhance the floating-point data processing capacity increased by X87 chip, the future will be X86 instruction set and X87 instruction set, collectively known as the X86 instruction set.



Although thanks to the continuous development of CPU technology, Intel has been developed and a newer i80386, i80486 until the past PII Xeon, PIII Xeon, Pentium 3, dell d830 battery and finally to today's Pentium 4 series, Xeon (not including the Xeon Nocona) However, in order to ensure that the computer can continue to run past the development of various types of applications in order to protect and inherit the rich software resources, it produced all of Intel's CPU still continue to use the X86 instruction set, so it's CPU is still a X86 series. As the Intel X86 series and its compatible CPU (eg Axx Athlon MP,) use the X86 instruction set, so we formed today's X86 series and is compatible with a large CPU lineup. x86CPU present mainly intel server CPU and Axx server CPU types.<

题目 : 应用技巧
种类 : 电脑

HP Pavilion / Compaq notebook computers - how to solve the problem laptop heat




ISSUE: How do I solve the HP Pavilion / Compaq laptop heat issues SOLUTION:


Many laptop users are more concerned about the maintenance problems, hp nc6400 battery especially laptop cooling performance problems. Here, I and everyone should work together to analyze this problem.


As the laptop's own characteristics, thermal performance than many desktops as perfect, because the laptop in the hardware to build the structure relatively close, is not easy to heat. As with the desktop size is relatively large, is conducive to good air circulation. Therefore, a notebook computer hardware components for each temperature are the key issues, then the constant attention to the process of notebook computer systems is a very necessary, and is well known that a large amount of the system if the process, then bring the hardware burden on the large, while the burden on the hardware large will have a direct impact on power consumption, there is power there will be heat, then the power consumption and heat would be proportional. Therefore, we believe that as far as possible to avoid prolonged laptop computers in the boot under the premise of regular anti-virus maintenance and data management is necessary, if able to do so you can re-install the system on a regular basis. This is not only good for notebook cooling aspects, but also make your system has been maintaining a healthy operating environment.



Notebook computer can also add some extra cooling devices, hp nc6120 battery such as laptop cooling tray, also could help improve the cooling capacity of notebook computers.



6, summer notebook Precautions




Summer Notebook Caution




The hot summer coming. The use of laptop computers Please note that the following


• use to avoid clogging notebook computer cooling holes, correct bad habits, such as: the notebook computer placed on the body on the bed and other soft objects. When necessary, can take advantage of some of the equipment to enhance heat dissipation.


• as far as air-conditioning, low-dust environment, the use of laptop computers. Into the notebook computer's internal long-term accumulation of dust will lead to bad cooling fan abnormal sound, thermal, the response is slow, or even crashes, can cause serious damage to notebook computer hardware. If conditions permit, we recommend periodically sent to the local Gold Service Center notebook cleaning house (Note: This service should bear the costs).


• notebook computer should be avoided in the sun exposure in order to avoid local heating temperature is too high notebook computers. This may result in damage to laptop casing or internal hardware can not work properly.


• thunderstorm days is not recommended in the absence of lightning environment facility hp nc2400 battery to use laptop computers in order to avoid lightning accidents.


• to prevent any direct contact with liquid and notebook computers, such as rain drops splashing, or in the air very humid environments, storage notebook computer. That if they inadvertently encounter the above notebook computer will immediately cut off power, remove the built-in battery, sent to the Gold service center (for more details refer "Notebook unexpected emergency treatment").



Note: Due to improper personal use of notebook computer hardware damage not covered under warranty.

题目 : 应用技巧
种类 : 电脑