The myopic view of people in Nigeria and other developing West Africa countries regarding information handling and projection has made it difficult for advanced data solution. A typical computer user or organization attitude towards loss of data or information is very discouraging to enable any company come up at all to invest in standard data solution technology using advanced data recovery tools like SalvationData tools.

Samsung Hard disk drives belonging to VICTOR, PUMA, VICTORPLUS, VERNA, VERNALITE, and VANGO families do not use a conventional modules table; their ROM codes contain offsets, which define the locations of modules, but these are not linked to any names or identifiers. Older families of Samsung drives use a normal modules table stored in ROM. Tables of modules in those drives may differ as regards the location and the number of modules depending upon firmware version

It’s one very important step to find a donor PCB or donor hard drive for repairing and recovering hard drives. You may need to swap the PCB, exchange the head or find a donor firmware from the donor drive. This article may help you learn more on the donors of Seagate Barracuda 7200.10 Galaxy2D .

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 a reason 4D: Error reassigned during dynamic sparing 4E: Block release timeout error 4F: Buffer ready error 50: Slipped sector (P-List) 51: Alternated sector (G-List) 52: Pad and fill defects 53: Hard error w/AT retries no error with full retries (instability) 54: Error during scratchfill 55: Bad alt dest ID info (all messages refer to Niwot addressing whenever alternative destination is mentioned) 56: Unable to find valid alt dest 57: Unable to delete alt dest 58: Too many defects per head 59: Too many defects per track 5A: Too many dynamic slips 5C: Unknown full slip failure 5E: Pad and fill defects 5F: Entire defect span was not found in User Defect List 60: No spares available (for reassignment of defective sectors, tracks, servo labels and any resources required for the current operation in general) 61: Write blocked w/o a reason 62: Write gate came on early 63: Write gate went off late 64: GC thermal sensor fault detected 65: Shock sensor fault detected 66: Attempt made to write at the wrong target location. 68: FW initiated disc sequencer reset 69: FW sequencer abort; split sector runaway RG 70: Bad disc resident cert/diag code 71: Unable to read system sectors code 72: Unable to read packwriter auto-stamp 73: Invalid defect info loaded 74: Invalid alt info table (usually refers to reserved defect lists) 88: Unable to learn good zap on track 89: Cylinder to be skipped out in loopback test 8A: Wedge slipped (track portion from sector xxx to sector yyy) 8B: Write ID failed 8C: Cylinder padded (physical coordinates apply to two cylinders at once – translator problems) 8D: Cylinder filled in 8E: Cylinder skipped out 8F: Max cylinder skips has been reached 90: Zapped burst 91: 2 consecutive zapped bursts 92: Too many zapped bursts on a track 93: Unable to zap – 2 consecutive bad bursts 94: Sumsquare of PES (one of adaptive parameters) on this track exceeds limit 95: Unable to zap bad burst 96: Too many position plus velocity threshold breaks 97: Zapped splice code 98: Encroachment code (any corruption of servo packets) 99: Max number of slipped tracks has been reached 9A: The slipped cyl requested does not exist. 9B: Head switch timeout error code A0: Preamp miscommunication A1: Reserve track defect list bad A2: Boot adaptives bad A3: Bad application code A4: Not enough sectors saved to the disc for adaptives A5: Application code checksum error A6: Application code not compatible CE: Cert test passed CF: Cert test failed ED: Attempt to write the user slip list but no valid list FB: Missing critical parameter FC: Command aborted (internal only) FD: R/w command rejected FE: Invalid address passed to Niwot FA: Un-initialized preamp code for new preamp interface FF: Unsupported code in the new preamp interface

HDD and family model used here: Hitachi DK23BA including DK23BA-60, DK23BA-10 and DK23BA-20. The following information is useful for those who start Hitachi hdd repair or data recovery services .

HotSwap is a popular method used for data recovery in case of problems with HDD service area. Essentially, it means replacement of a PCB on recipient drive with an initialized PCB from a donor drive.

HDD malfunctions are frequently caused by damage to drive controller board.

The hard drive or HDD is not the most vital part of a computer. But, once it got corrupted, inaccessible or damaged, the feeling will be more than losing the whole computer itself to any user. All precious videos, photos, favourite MP3's and important written works and documents can be lost in an instant

When you are going to use PC3k in its command mode to repair Segate hard drives, you need to find the following information useful to indentify the parameters for SA objects. Information in this section is necessary when automatic identification of locations during loader creation fails ; it can be used to determine the coordinates of objects for manually specified surface reading if you have to work with a HDD from a currently unsupported drive family using known and supported procedure of data reading from disk surface. To identify the parameters of drive startup, you have to switch the level of logging for execution of commands performed by the HDD.

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 even in the same models with different dates of manufacture