ATX chassis refers to a chassis made using ATX specifications. The full English name of atx is AT Extended, which is a standardized structure of PC (extended AT structure), that is, the ATX motherboard standard, and the chassis derived from the ATX specification is also called an ATX chassis.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
ATX chassis refers to a chassis made using ATX specifications.
The full name of ATX in English is AT Extended. Due to the irregularity of the Baby AT motherboard market and the outdated AT motherboard structure, Intel Corporation released a specification for PCs in 1995 in order to standardize the motherboard structure. Structure - extended AT structure, which is the ATX motherboard standard, and the chassis derived from the ATX specification is also called an ATX chassis.
Compared with the Baby/Mini-AT structure, the layout of ATX has made considerable changes: Baby-AT uses a horizontal structure chassis, and the I/O interface is located on the narrow side of the motherboard (24.4cm), while ATX changed the chassis to a vertical structure, and moved the I/O interfaces to the wide side (30.5cm) and made it into a "backplane" form.
In addition, ATX also stipulates that the hot air from the CPU radiator must be exhausted, which not only enhances heat dissipation, but also reduces dust accumulation in the chassis.
Based on the ATX specification, several specifications including ATX, Micro ATX, NLX, WTX, MiniATX and Flex-ATX are derived. The chassis sold on the market are mainly ATX and Micro ATX chassis.
Micro ATX chassis is smaller in size and has limited scalability, and is only suitable for users who do not have high requirements for computer performance; while ATX chassis is much better than Micro ATX chassis in terms of heat dissipation and performance expansion. ATX Still the mainstream of the market
Advantages of the chassis
First, when the board is longer than the chassis, other components will not come into contact with each other;
Second, the peripheral cable and hard disk cable are shortened to bring them closer to the hard disk;
Third, the CPU fan and power supply fan are combined to optimize the cooling system.
Compatible motherboard
A chassis with one structure can only be installed with one corresponding motherboard, but if the chassis is backward compatible, then, A chassis with one structure can be matched with more than one motherboard. For example, ATX chassis is backward compatible with Micro ATX chassis, so MicroATX motherboards can also be installed on ATX chassis.
The standard ATX motherboard design specifications are 12 inches wide (305mm) and 9.6 inches high (244mm). With further optimization of the motherboard design, the motherboard specifications can be reduced to Micro-ATX 11.2 inches (284mm) *8.2 inches (208mm). Therefore, when choosing an ATX chassis, you can choose the motherboards of the above two specifications for assembly.
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