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Ihab
 Post subject: PCB with mutiple ROMs
PostPosted: November 16th, 2023, 11:35 
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Joined: September 4th, 2019, 2:25
Posts: 59
Location: Germany
Drive Model: TOSHIBA MG07ACA12TE
Drive Capacity: 10TB

Hello, i have ths broken PCB and a donor. I want to replace the ROM but im not sure which i have to change.. do you guys know which one i have to change? Thank you.


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fzabkar
 Post subject: Re: PCB with mutiple ROMs
PostPosted: November 17th, 2023, 11:28 
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I believe those other ROMs constitute nonvolatile cache for power loss data protection. I suspect that if you don't transfer all 4 ICs, there may be a finite risk of contaminating the patient's data with the donor's NVcache (if the NVcache is not empty).

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northwind
 Post subject: Re: PCB with mutiple ROMs
PostPosted: November 18th, 2023, 8:02 
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Location: Greece
What he said ^^^

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Ihab
 Post subject: Re: PCB with mutiple ROMs
PostPosted: November 20th, 2023, 9:03 
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fzabkar, Tank you for your reply! I got the Solution. I replaced the yellow marked ROM and it worked fine.
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