June 28th, 2016, 8:15
June 28th, 2016, 8:52
June 28th, 2016, 9:07
June 28th, 2016, 10:26
pikus_09 wrote:Any new informations, or methods, for WD internal ROM pcb like 701499, 701640, 701537?
Because i have a few PCb in bad internal rom, and sediv and wd marvel are not support repair BAD internal ROM, previous methods are not helpful, because drives are not locate in external rom, or not propertly initialize. Understand me?
June 28th, 2016, 10:50
Work, fine.einstein9 wrote:This is too old my dear, here is a sample solution:
701499
Solder ROM chip on its place (prefer if you Program it with Programmer with its Match ROM i.e. Write Denali Family ROM)
Remove Both R13 & R6
Not work. and all methods not work, all checked.einstein9 wrote:701640
Solder ROM chip on its place, same steps as 701499
ADD 22k resister to R74
Connect and your done
June 29th, 2016, 7:34
pikus_09 wrote:Work, fine.einstein9 wrote:This is too old my dear, here is a sample solution:
701499
Solder ROM chip on its place (prefer if you Program it with Programmer with its Match ROM i.e. Write Denali Family ROM)
Remove Both R13 & R6Not work. and all methods not work, all checked.einstein9 wrote:701640
Solder ROM chip on its place, same steps as 701499
ADD 22k resister to R74
Connect and your done
June 29th, 2016, 16:48
well, checked in SST 25FL20, and Winbond 25X20einstein9 wrote:for the 701640, Did you try Diff. types of ROM chip (SST, Winbond) ?
Ok, no problem.einstein9 wrote:am refering to my old notes, its been long time really
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