Motherboard Fualts

Motherboard Fualts

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Block Diagrams

VRM (VOLTAGE REGULATE MODULATION)
CLOCK  GENERATOR 
CPU
NORTH BRIDGE
GMCH (GRAPHIC MEMORY CONTROL HUB)
MCH (MEMORY CONTROL HUB)
RAM (RANDOM ACCESS MEMORY)
I.C.H (INPUT OUTPUT CONTROL HUB) OR SOUTH BRIDGE
USB (UNIVERSAL SERIAL BUS)
HDD (PATA/SATA SLOTE)
PCI, PCI X SLOTE (PERIPHERAL COMPONENT INTERCONNECT)
ISA (INPUT SLOTE EXPENSION) SLOTE
AMR (AUDIO MODEM RAIZER) SLOTE
I/O
BIOS (BASIC INPUT OUTPUT SYSTEM)
CNR (COMMUNICATION NETWORK RAIZER) SLOTE

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Mother Board Fault

If the check is performed when the power section, that is not in on the motherboard is dead. Then we VRM section is Check.  )

1. The first coil on 12 volts for a 12 volt output point to check. If the volt. The board is not yet online. Mosfet output of the main points to check if the voltage is at the core voltage. Mosfet fitted then they have a short. Mosfet instead.