Many people are still very confused about the installation, do not know how to do it, to say that assembling a computer is not difficult, not difficult is also a bit difficult, if skilled installed is really very simple, if not installed the person, that is not good, installed out of the computer can not use even the parts to burn out so I must not blindly install the computer. Assembling a computer requires proficiency, and the choice of computer configuration requires skills, but also need exp
First, the hardware compositionMotherboard CPU hard disk memory graphics card NIC Optical drive chassis monitor Keyboard mouseSecond, Hardware introduction1. CPU ProcessorClock frequency: The CPU core works64-bit technology: Processor 1 times can run 64bit of dataCache: Alleviates the speed difference between CPU and memoryMulti-core technology: one processor on a single semiconductor has multiple processing cores of the same functionInterface: Number of pins INTEL 478 775 1366AMD 939 940 938Com
this problem is simple, try not to put the hard disk full, to frequently delete some of the system generated temporary files, exchange files, so you can free space. Or you can manually configure virtual memory, select Advanced, the default address of virtual memory, go to other logical disk. This avoids the blue screen caused by a lack of virtual memory. 2, CPU overclocking results in operational errors overclocking is common to enthusiasts, so the various malfunctions caused by overclocking
radiator. Due to improper installation caused the radiator and CPU contact bad, the impact of the CPU heat dissipation, after a long period of use, greatly shorten the life of the CPU.
Summary: For general computer failures, if the system is not completely paralyzed, we rarely suspect the possibility of CPU damage. But nothing is absolute, in the event of failure, we have to carefully and carefully in order to carefully troubleshoot, not to let off a hint of suspicion, you can find the real fa
54 yuan of money.
Cost Calculation:
In the formation of this network, we used the above sample products, of which the network cable used 6 meters, Crystal Head 4, two network cards, a total of about 70 yuan, the cost is very low.
Small tip:
In order to be beautiful, we have also found a few wire cards, ready to put the network cable along the corner of the book. In fact, if you are going to the market to buy these several equipment, you can completely let the dealer to the line for you to do, i
CPU as the core part of the computer, the frequency of failure is relatively low, in many cases, the failure of the processor is due to the motherboard problem. such as the following troubleshooting, really let the author cost some twists and pains.
Failure performance: a compatible machine assembled for friends in 2004, using the Intel Celeron 1.7GHz processor, has been in use for two years, the most recent in a move, love Machine is unable to start
The demand from "lightweight" computers
With the price of PC hardware falling, the need for Home Office has increased, and more families are having the need to buy a second, low-cost computer. So, with a large vision, home appearance and price less than 3000 yuan in one computer has become a lot of users in the eyes of the second PC quality choice. Don't rush, because from the configuration and price will be a new generation of mini PCs have been compared to the same computer wire. For example,
follows. +12V≥18A, you can choose any one of the cpu;+12v≥14a on the market, you can choose Intel Celeron D and P4 processor, +12v≤14a can only P4 low speed and normal Celeron. We suggest that we should tailor it to avoid unnecessary waste.
You can also calculate yourself according to the following formula: (CPU Power consumption W1/12) +2A (motherboard VR power consumption) +1A (hard disk rated power con
Of the CPUs currently produced by Intel, Pentium 4 and Celeron are PC-oriented, Xeon, XEONMP, and Itanium are for workstations and servers. Where Itanium is a completely different 64-bit CPU from other CPUs, the design is not considered for existing Windows applications. While other processors vary in their maximum operating frequency, FSB (front bus frequency), and cache size, the internal design is essentially the same while ensuring software compat
thermal grease, but I am in some assembled computer is very difficult to see its traces, practice has proved that the silicone grease can reduce the temperature of about 5-10 degrees, especially Pⅲ computer, if not coated silicone grease, the computer can not work properly. The main configuration of the machine is as follows: Pan UK 815EP motherboard, PⅢ733CPU, 133 FSB 128M memory, when the machine assembled, frequent panic, even Windows system can not be installed, but replace the
run normally. Of course, some motherboards can provide a lock on the frequency of various interfaces.
Set the CPU standard FSB
The current CPU standard FSB only 66MHz, 100MHz, 133MHz (already 200MHz), although the current new motherboards support "soft jumper", that is, through the "BIOS" to set the CPU FSB, but this soft jumper generally can only set a section of non-standard FSB ( Used for overclocking, such as overclocking the standard FSB 100MHz new C
100-series generation still plays an important role, but in fact, as the chipset upgrade, its expansion capacity has been consistent with B85, 85 can fire, indicating that its expansion capacity is sufficient, that H110 is not also have such potential? Let's take a look.
H110 motherboard schematic
To more visually show the difference between the three chipsets, Beastmaster on the ASUS website to compare the B150, H110, B85 three boards for the plus series, which are basically the
168-bit 3DES IPSec VPN throughput
130Mbps
Concurrent VPN tunnels
2000
Concurrent connections
130,000 5000/sec
Technical Specifications
Processor
433MHz Intel Celeron
Random Storage Memory
32MB, or 64MB SDRAM
Flash
16MB
Cache
128KB level two cache, frequency 433MHz
System bus
Single 32-bit, 33MHz pic bus
Power
replaced the fan and the radiator. Due to improper installation caused the radiator and CPU contact bad, the impact of the CPU heat dissipation, after a long period of use, greatly shorten the life of the CPU. Summary: For general computer failures, if not the system completely paralyzed, we rarely suspect that the possibility of CPU damage. But nothing is absolute, in the event of failure, we have to carefully and carefully in order to carefully troubleshoot, not to let off a hint of suspicion
the CPU failure, do not know how to exclude, that the CPU failure, under normal circumstances will have to replace the new products. In fact, in many cases, as long as the CPU processor does not burn, we can still solve all kinds of problems. Next, in the form of reality to introduce a number of causes of failure and solutions.One. Analysis and solution of computer frequent crash failureSymptom: A host of Intel Celeron 1GB, a frequent crash occurred
Computer host installation and assembly, the graphical description of the assembly, so that you easily learn to install the computer. is a very classic tutorial. Video Tutorials The following tutorial will be divided into seven steps to teach you DIY installed.
Computer installation and assembly host first step: Install CPU processor
The current market, Intel processors are mainly 32-bit and 64-bit Celeron and Pentium two (core is currently listed,
blue-screen crashes, which require me to reload the system or check for hardware failures.
This time, I decided to give them a try at the same time Chromebook and low-end Windows 8 notebooks, models for Toshiba Chromebook and satellite nb15t, the price is equivalent (1870 Yuan and 2200 yuan respectively), to see which system is more suitable for them.
Chromebook: Low price but limited system
Toshiba Chromebook has a 13.3-inch screen with a design that resembles an Apple MacBook s
in system work instability, we can in Safe mode with the System File Checker to repair the system files.
2, due to the thermal stability of some components caused by such failures (specific performance in the CPU, power, memory, motherboard)
In this case, we can let the computer run for a period of time, after the crash, and then hand touch the above parts, if the temperature is too high to indicate that the part may have problems, we can use the replacement method to diagnose. It is worth no
J2ee
Objective
This article through the actual combat to write a shopping website to explain how to use Java EE to build enterprise-class network applications! This article is for the absolute beginner like me, if you are the master will not be laughed at!
One: Build development platform
This article from the actual combat, so on some conceptual issues do not say more, these things can be found from Google, the first to prepare the following guy:
1.oracle2.weblogic3.jbuilder
Other: struts-
difficult to see its traces, the practice has proved that the silicone can reduce the temperature of about 5-10 degrees, especially Pⅲ computer, if not coated silicone grease, the computer can not work properly, I have encountered such a phenomenon once. The main configuration of the machine is as follows: Pan UK 815EP motherboard, PⅢ733CPU, 133 FSB 128M memory, when the machine assembled, frequent panic, even Windows system can not be installed, but replace the
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