► Desktop Motherboard Voltage Overview: INTEL And AMD Technology.

► Understanding Desktop Block Diagram.

► BUS line Concept: Data BUS, Address BUS & Control BUS.

► Understanding FSB, LPC, DMI, SPI, PCI, PCI-E etc Interface.

► Desktop Motherboard Slot: All Types Working Details.

► Switching Mode Power Supply (SMPS) Working Concept.

► ATX Power Supply Connector: 20 Pin & 24 Pin Pinout Details.

► VRM Supply Connector : PIII , P4 & Latest Desktop Motherboard.

► RTC Circuit Function Details: 3V Cemos Battery, RTCRST# Signal, 32KHz Crystal.

► Fault Finding & Troubleshooting : RTC CEMOS Reset, Soft Reset, Hard Reset.

► Desktop Mothrboard Power Up Process : Before Press Power Button (Primary Voltages).

► Understanding Advanced Control Power Interface (ACPI) Process.

► Function Details ACPI In Four Process : ATX Signal 5VSB & PSON# .

► Front Panel Power Connector: pinout & Signal Details.

► Function Details: PWRBTN# Signal 3.3V or 5V Send to SIO or ICH / PCH.

► Dual Voltage Concept: 3V_Dual & 5V_Dual.

► Fault Finding & Troubleshooting : Motherboard Do Not Power Up At All.

► Fault Finding & Troubleshooting : Hanging & Restart Problem In Motherboard.

► Desktop Motherboard Power Up Process: After Press Power Button ( Secondry Voltages).

► PSON# Singnal: Functuonal Details After Press Power Button.

► POWER OK Signal: Working Details In this Section.

► Function Details Of All Other Voltages: +3.3V, +12V, -12V, +5V, -5V .

► Important Signals & Function Details: SUSB, SUSC, SLP_S3, SLP_S4, RSMRST# …

► Fault Finding & Troubleshooting: SIO Controller Section.

► Fault Finding & Troubleshooting: ICH Or PCH Section.

► RAM Section Power Supply & Function Details: PWM Regulator and Switch On Mosfet.

► Understanding Combo Motherboard RAM Power Supply.

► Memory Voltage Supply For DDR1, DDR2, DDR3 & DDR4.

► Memory Termination Supply Function Details: DDR1, DDR2, DDR3 & DDR4.

► RAM Power Supply Used In GMCH / PCH / CPU.

► Important Signals between GMCH Controller & Memory Slot Connector.

► Memory EEPROM Chip: It Works & Pin out Signals Details.

► RAM Slot or Connector Pin out Signals Details: DDR1, DDR2 & DDR3.

► Fault Finding & Troubleshooting: RAM Or Memory Section Not Work.

► Fault Finding & Troubleshooting: Network Register In GMCH & RAM Section.

► GMCH/ NB Power Supply & Function Details: PWM Regulator and Switch On Mosfet.

► GMCH Works With CPU Core Supply, RAM Supply & ICH Supply.

► VGA Controller Section in GMCH/ PCH : Works & Pin out Signals Details.

► VGA CRT Connector: Works & Pin out Signals Details.

► Function Details Of COM Port & LPT Port.

► Buffer IC: Working Concept.

► Fault Finding & Troubleshooting: GMCH/ MCH / North Bridge / PCH Not Work.

► Fault Finding & Troubleshooting: DVI, HDMI & VGA Section Not Work.

► ICH/ SB / PCH Power Supply & Function Details: PWM Regulator and Switch On Mosfet.

► ICH, RTC & 32KHz Crystal Working Details.

► Function Details Of Crystal & Career Signal.

► Clock Generator & Clock Crystal Section Function Details.

► LAN Section: Working Details LAN Chip With ICH / PCH.

► Function Details: LAN Transformer, LAN Crystal, RJ45 Connector.

► Fault finding & Troubleshooting: South Bridge / ICH / PCH Not Work.‘

► Fault finding & Troubleshooting: LAN Not Work.

► Sound Section: Working Details Sound Chip With ICH / PCH.

► Function Details: Front Panel Audio Connector & Optional Sound Crystal.

► Function Details: Rear Panel Audio Port Line In, Line Out & MIC.

► USB Section: Working Details USB Connector With ICH / PCH .

► Hard Disk Drive Section: HDD Function With ICH / PCH & Pin out Signals Details.

► Optical Disk Drive Section: ODD Function With ICH / PCH & Pin out Signals Details.

► PS2 Keyboard & Mouse Connector Section: Function Details Wthe SIO & ICH / PCH.

► Understanding DMA ( Direct Media Access) & IRQ (Interrupt ReQuest).

► Fault finding & Troubleshooting: Sound or Audio Not Work.

► Fault finding & Troubleshooting: USB Port Not Work.

► Fault finding & Troubleshooting: PS2 Keyboard & Mouse Not Work.

► Fault Finding & Troubleshooting: HDD & ODD Not Work.

► VRM PWM or Buck Controller Chip Function & Pinout Singnal Details.

► Understanding Darlington Pair Circuit & Push Pull Mathod In VRM PWM.

► Understanding General Regulator and PWM or Buck Controller Reulator Concept.

► CPU Core VRM Section: PWM & All Combination Of Main Mosfet & Supporting Mosfet.

► Driver IC: Works With PWM & Pin out Signals Details.

► Understanding VRM Phases & CPU Volt In Section.

► CPU Core VRM Power Sequence.

► Desktop Motherboard Power Sequence.

► Fault Finding & Troubleshooting: Problem In CPU VRM Section.  

► Fault Finding & Troubleshooting: Motherboard ON Then OFF Imedately. 

► Fault Finding & Troubleshooting: Motherboard ON But CPU Do Not Get Heat. 

► Fault Finding & Troubleshooting: Motherboard ON, CPU Heat Up But No Display

► Motherboard Fault Finding Using Post Debug Card / Analyzer Card.

► Understanding Post Debug Card Error Type:

(i)  LED Error

(ii) POST CODE Error

► LED Error Fault Finding & Troubleshooting Details :

(i)  Clock LED Error

(ii) Reset LED Error

(iii) IRDY LED Error

(iv) FRAME LED Error

(v) 3V, 5V & 12V LED Error

► POST CODE Error Fault Finding & Troubleshooting Details :

(i)  Numaric Post Code Error

(ii) Alfa Numaric Post Code Error

► Post Debug Card Fault Finding Flow Chart: LED Error.

► Post Debug Card Fault Finding Flow Chart: POST CODE Error.

► BGA Chip: ICH, PCH, MCP, FCH, GMCH, Graphic Chip (NVidia, ATI) etc.

► BGA Reflow Process.

► BGA Rework Station: Use & How it Works.

► Preheater: Use & How it Works.

► BGA Reballing rework station: Use & How it Works.

► Ultrasonic Cleaner: Use & How it Works.

► All other Components That Need for BGA Rework.

► BGA Reballing Process.

► ICH, PCH, MCP, FCH, GMCH, Graphic Chip (NVidia, ATI etc.) Reballing.

► Removing BGA  Chips.

► Reballing BGA  Chip using Reball Stencil.

► BGA Ball Arrangement.

► BGA Rework Process.

► ICH, PCH, MCP, FCH, GMCH, Graphic Chip (NVidia, ATI etc.) Replacement.

► Socket & Connector Removal Process Using BGA Rework Station:

  ♦ CPU Socket

♦ RAM Slot

  ♦ PCI Slot

♦ Other Sockets & Connectors