In large shopping malls, supermarkets and other places, we can find the touch cash register. The powerful function of the product can greatly improve the work efficiency. However, the cash register is similar to the computer, which uses the motherboard to operate all functions, so it is selected. When we check the cash register, we must first understand the indicators of the cash register motherboard.
In general, the cash register is the evolution of the computer, the quality of the motherboard directly affects the efficiency of the cash register.
When buying a cash register, you should pay attention to the performance indicators of the motherboard's external bus, external interface capabilities, CPU frequency, power consumption, power consumption and thermal design.
1. External bus of the motherboard: There are various motherboards for touching the cash register products. The external bus bandwidth is 33MHZ, 66MHZ, 100MHZ, 133MHZ, etc. The higher the external bus bandwidth, the faster the cash register runs.
2, external interface capabilities: most of the main board of the cash register has more than 4 serial ports, one or two parallel port, cash box port, Ethernet port, keyboard port, mouse port, USB port and so on.
3, CPU's main frequency, power consumption: CPU's main frequency determines the speed of the entire touch cash register product, so it should be selected according to the platform requirements of the running software. At the same time, the power consumption of the CPU should be considered. The power consumption of a normal CPU should exceed 30 watts, while the power consumption of a low-power CPU should be less than 10 watts. The CPU is an important heat source in the cash register. If the temperature is too high, the heat is not good, which may cause the cash register to crash. Therefore, you should choose a low power CPU.
4, the power consumption and heat dissipation design of the whole machine: the use environment of the touch cash register is relatively poor, and the ventilation is poor. Therefore, it is necessary to pay attention to the power consumption of the cash register, and try to select the product with low power consumption, which will greatly reduce the possibility of crash. . At the same time, we must consider the heat dissipation design of the whole machine, especially in the high temperature zone in the south.
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