IO chip and clock chip on computer motherboard

1. IO chip

IO stands for I / O Manager. Some Q / S2 interface, serial port, parallel port, front panel, fan, etc. Combined with IO chip control. Common IO chip brands for mainboard maintenance are Fukoku, Itokin Fintek, SMSC, and Tangen (see Figure 1).

(A) Winbond IO chip (b) iTE IO chip (c) Fintek IO chip

(D) SMSC IO chip (e) nuvoTon IO chip

Figure 1 IO chip
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When replacing 10 chips in mainboard maintenance, it is important to pay attention to whether they are special to the manufacturer of the motherboard. For example, 华 Co., Ltd. The 10 chips for the final model A are dedicated to the kite (see Figure 2).