How to identify the computer motherboard and switching power supply, restart, hard disk plug
3, PW LED is the power indicator, + is the positive, - or no sign there is the negative side, this can not be inserted, plug the power light is not bright. Similarly, Power sw is the power switch, also marked with positive and negative, but this is the plug is not a big relationship. Rest sw is to restart the pin, there are positive and negative, with the same as the Power sw, plug the anti-no relationship. Next to the English speech is a small speaker pin, usually dead feet and side by side.
2, HDD LED is the hard disk indicator, the general is the vertical look, + there is a positive side, - or not sign there is a negative side, the chassis is also reserved for such a plug, corresponding to insert the corresponding board can be set The HDD LED lights feet can not be inserted, plug the indicator light is not bright.
1, pick up a computer motherboard, in its surrounding observation generally have two rows of pins side by side pile together, and then carefully view, the motherboard plane also note the following words:
