Switch Mode Power Supply (SMPS) alternating current (AC) convert in to DC current in to different output power supply. SMPS power supply to motherboard, Hard disk drive, DVD drive.
SMPS – two type available
- AT —— 12 Pins
- ATX —— 20 pins and 24 Pins
- Now days only available in ATX Model SMPS. With SATA cable attachment, SMPS Wattage — 400 Watts, 450 watts, 500 watts .
- SMPS — 500 Watt (24 Pin)
- Input — 230V AC
- D.C Output Voltage — +5V, +12V, +3.3V, -5V, -12V
SMPS output
SMPS output SATA Pin model cable to connect hard disk drive and DVD drive.
SMPS output 4pins cable to connect Hard drive and DVD drive.
motherboard input cable
How to test SMPS working or not in ideal Condition
SMPS power output cable i.e.. you take motherboard power input cable 24 pins, or 20 pins cable and another 4 pins power cable
to insert small connector cable black wire (4pins) – into — 24 pins green cable to link . Now SMPS run the fan. below see photos
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