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 Post subject: Can someone identify the ROM F/W Version of this FBLite ROM
PostPosted: November 13th, 2019, 9:00 
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I have this FBLite ROM, 256KB size. Long story short, the last three quarters of the ROM have been lost (erased), so I only have the first 25% (64KB) of the ROM contents. Can someone ID the ROM F/W version by examining the contents?

ROM can be found here: https://gofile.io/?c=U4XplN

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 11:39 
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Could you please post drive model?


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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 11:43 
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I would say a qualified guess:
>ROM version............................. : 16.1VH
>ROM F/W version......................... : 0016001V

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 11:48 
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mr_spokk wrote:
I would say a qualified guess:
>ROM version............................. : 16.1VH
>ROM F/W version......................... : 0016001V

+1
The drive model should be WDC WD10JMVW-11AJGS1/2 (USB drive)


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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 16:55 
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ISTM that the ROM verison is of no consequence. The OP would still have trouble gaining access to the SA. If he were to succeed, then module 0x109 would have the ROM template, would it not?

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 17:15 
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Without ROM mod 4F, SA access is extremely difficult.

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 17:28 
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In that HDD model it is very simple to obtain the original ROM from a rom of that model. I don't think you have any difficulties.

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 18:17 
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pcimage wrote:
Without ROM mod 4F, SA access is extremely difficult.


+1

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 13th, 2019, 18:34 
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Is this yet another job that was botched or sabotaged by a data recovery company?

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 14th, 2019, 9:30 
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It seems that 4F sits almost right at the end of the ROM and doesn't fall within the first 25%, and speaking to those who know their stuff it doesn't seem this is possible (unless perhaps paying someone else a large sum of money, which isn't viable).

Thanks for the input.

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 11:32 
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yes, it is possible to recover it but it is a major pita.

pepe

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 14:22 
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pepe wrote:
yes, it is possible to recover it but it is a major pita.

pepe


I can imagine! With a lot of “trial and error” on mod 4F

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 15:01 
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I insist that it is a very easy process to recover the ROM of that HDD.
You have to take a firmware and ROM from an HDD of that model.
ROM is recorded.
Access to the SA is blocked.
The LDR is loaded.
And it gives the option to rebuild the ROM reading by TRACK.

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 15:17 
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mhp666 wrote:
I insist that it is a very easy process to recover the ROM of that HDD.
You have to take a firmware and ROM from an HDD of that model.
ROM is recorded.
Access to the SA is blocked.
The LDR is loaded.
And it gives the option to rebuild the ROM reading by TRACK.


With respect, I think you are wrong.

But wish you weren’t!

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 15:34 
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I skipped a step, sorry.
After loading the ldr you have to make the option to search for SA modules and save a copy of the SA.
Once saved, module 01 is loaded and then you can give the option to rebuild the ROM by TRACK.

I might be wrong and not as I say, but I've done it many times and it worked for me.

Greetings.

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 15:45 
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mhp666 wrote:
I skipped a step, sorry.
After loading the ldr you have to make the option to search for SA modules and save a copy of the SA.
Once saved, module 01 is loaded and then you can give the option to rebuild the ROM by TRACK.

I might be wrong and not as I say, but I've done it many times and it worked for me.

Greetings.


We are talking FBlite here, I have to insist that you are wrong :wink:

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 16th, 2019, 19:35 
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you may search for whatever you want in the sa, without 4F you won't find what you need.

to Sean: it is not by trial and error. It is a well defined process.

pepe

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 17th, 2019, 15:42 
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pcimage wrote:
pepe wrote:
yes, it is possible to recover it but it is a major pita.

pepe

I can imagine! With a lot of “trial and error” on mod 4F

Some time ago I parsed an example of module 4Fh. There was one new section whose function I did not understand. Do you understand which adaptive parameters are required? If so, then that may mitigate the need for trial-and-error approaches.

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 17th, 2019, 17:11 
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Hello Franc,

i do know precisely which params make the mess and what they are used for. That's what makes the recovery process a lot faster than simple trial and error - right as you wrote.

pepe

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 Post subject: Re: Can someone identify the ROM F/W Version of this FBLite
PostPosted: November 17th, 2019, 17:20 
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First of all, I apologize for my incorrect comments, because in a fblite you cannot do what I said.
On the other hand I pass a modified 4F module, with the only data that it needs to make the HDD boot correctly.
Tomorrow I will try to find a recognizable pattern.


Attachments:
4F.rar [166 Bytes]
Downloaded 367 times

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