{"product_id":"2940156921430","title":"Practical Guide To Hard Drive Repair","description":"Course Overview\u003cbr\u003e \u003cbr\u003eThe course is designed as an introduction to the design, function and components of the electronic and electrical circuitry of Hard Disk Drives as incorporated into the drives' Printed Circuit Board (PCB), together with the possibilities and techniques for the recovery of data where such components have failed.\u003cbr\u003e \u003cbr\u003eIt provides an overview of: The physical components of PCB's:\u003cbr\u003e\u003cbr\u003eThe Interface – The connection to the host computer that provides the channel for communication with the host, data flow in and out of the drive and also provides the power the device needs to operate\u003cbr\u003eThe voltage protection and filtering circuitry that control the voltages supplied to the drive\u003cbr\u003eThe Central Processing Unit (CPU) – The main processing chip of the device that controls all drive functions\u003cbr\u003eMotor Controllers – These chips control the operation of the motors that spin the drive disk platters and move the Read\/Write Head Assembly to track the data stored\u003cbr\u003eROM and NVRAM Components – Onboard memory storage devices that can hold key information and firmware needed for the correct operation of the drive\u003cbr\u003e\u003cbr\u003eDevice failure scenarios:\u003cbr\u003eInterface failure\u003cbr\u003eOther component failure and PCB damage\u003cbr\u003eMotor Controller failure\u003cbr\u003eROM and NVRAM content corruption\u003cbr\u003e\u003cbr\u003eData Recovery Techniques:\u003cbr\u003eDiagnostic procedures\u003cbr\u003eComponent replacement\u003cbr\u003ePCB replacement\u003cbr\u003eEquipment and\/or facilities required\u003cbr\u003eSpares requirement, matching criteria \u0026amp; acquisition\u003cbr\u003eOnboard firmware reinstatement","brand":"Greenwood Publishing Group, Incorporated","offers":[{"title":"Default Title","offer_id":47103778849008,"sku":"2940156921430","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/2940156921430_p0.jpg?v=1764089284","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/2940156921430","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}