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Spegs21
 Post subject: WD2500BEVT-75ZCT2 Spins up, not recognized by bios
PostPosted: January 26th, 2015, 22:29 
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Joined: October 2nd, 2009, 2:48
Posts: 1
Location: PA - United States
I have this drive which is not longer recognized by the bios. It crashed while in a laptop. I put the drive in a desktop and it was recognized intermittently by the bios but could never be accessed in Windows. The drive spins up but nothing else.

It does not appear to have an external eeprom. I have a blackcat usb jtag at my disposal if that would help to read the information from the pcb but I cannot find any direction on how to do this. The pcb version is 2061-701499-500AF.

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jono-ats
 Post subject: Re: WD2500BEVT-75ZCT2 Spins up, not recognized by bios
PostPosted: January 26th, 2015, 23:27 
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Joined: June 8th, 2006, 19:44
Posts: 3144
Location: Atlanta, GA
PCB failure on this model is possible, but unlikely.

Odds are in favor of a heads or firmware issue.

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pcimage
 Post subject: Re: WD2500BEVT-75ZCT2 Spins up, not recognized by bios
PostPosted: January 27th, 2015, 3:28 
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Joined: November 29th, 2006, 10:08
Posts: 7864
Location: UK
jono-ats wrote:
PCB failure on this model is possible, but unlikely.

Odds are in favor of a heads or firmware issue.


+1 for fw or head(s)

Very very rare for a PCB to fail in this manner on this model, in fact I don't recall a single case with failing PCB and these symptoms.

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