1. Base plate: there are many specifications of base plate; It is mainly divided by the specification of the motherboard. Ordinary mainboards can generally be installed; The chassis with a length of less than 520mm cannot be installed with the main board of 12 * 13 dual Xeon board, and it must be installed with a chassis with a length of 520mm.
2. The slot of the passive backplane consists of a bus expansion slot. The bus expansion slot can be composed of multiple slots for expanding ISA bus, PCI bus, PCI-E bus and pcimg bus according to the user's actual application. The number and location of expansion slots can be selected according to the needs, but there are requirements for the combination of various buses according to different pcimg bus specification versions, such as pcimg1 Version 3 bus does not provide ISA bus support. The board has a four layer structure, and the middle two layers are the layer and power layer respectively. This structure can reduce the mutual interference of logic signals on the board and reduce the power impedance. The backplane can be plugged into various boards, including CPU card, display card, control card, I / O card, etc
3. Front and rear panels:
4. Hard disk rack and optical drive rack: hard disk rack is generally divided into two types, one is split type and the other is press card type.
The chassis with excellent quality is generally equipped with metal spring shockproof function; The number of hard disks installed is generally from 4 to 15.
5. Heat conduction of industrial control chassis: the rationality of heat dissipation structure is an important factor related to whether the computer can work stably.