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HST721025CLA382 not spint up. Problem With NV-RAM ???

Posted: 24.09.13, 20:15
by cuumaytinh
HST721025CLA382 not spint up. Problem With NV-RAM ??

i have Hiatchi HST721025CLA382 not sprin up. When i swap NV-RAM to Good PCB. New PCB not spinup too.
But In oginal PCB i can Read and Edit NV-RAM.
When I write Oginal NV-RAM to Good PCB. it spinup But not read ID.

What happen?

Hellp me Please !
Thanks alot! :?: :?:
http://cuumaytinh.com/123/NV-RAM28A.rar

Re: HST721025CLA382 not spint up. Problem With NV-RAM ???

Posted: 02.10.13, 05:48
by cuumaytinh
help.....

Re: HST721025CLA382 not spint up. Problem With NV-RAM ???

Posted: 02.10.13, 18:42
by AJ2008
Do you try non-native NVRAM to check that your HDD can power? did you try patient NVRAM on a donor drive?

Re: HST721025CLA382 not spint up. Problem With NV-RAM ???

Posted: 05.10.13, 11:52
by cuumaytinh
try othe nvram to oginal PCB - it spin up.

but change NVRam to other PCB - it stop.

Re: HST721025CLA382 not spint up. Problem With NV-RAM ???

Posted: 07.10.13, 10:08
by pcimage
Possibly the ROM ver does not match NVRAM version.

Did you match first two lines of numbers on sticker of PCB for replacing PCB?