Thank you very much fzabkar!
Do you want to send it to me for a fee by email or do you upload it here for everyone?
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| Merge partially damaged module copy 0 with copy 1 http://forum.hddguru.com/viewtopic.php?f=7&t=45371 |
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| Author: | Jirbun [ June 4th, 2025, 15:12 ] |
| Post subject: | Merge partially damaged module copy 0 with copy 1 |
DR encounter this all the time, I guess they use the reading composite option. But if I want to read copy 0 and 1 separately, then there are different areas in both copies that are unreadable represented in digits 21, is there a way to automatically merge the correct data between the two copies? |
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| Author: | pepe [ June 4th, 2025, 15:27 ] |
| Post subject: | Re: Merge partially damaged module copy 0 with copy 1 |
of course, you can write a small prog for doing that... |
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| Author: | fzabkar [ June 5th, 2025, 20:31 ] |
| Post subject: | Re: Merge partially damaged module copy 0 with copy 1 |
Jirbun wrote: DR encounter this all the time, I guess they use the reading composite option. But if I want to read copy 0 and 1 separately, then there are different areas in both copies that are unreadable represented in digits 21, is there a way to automatically merge the correct data between the two copies? Upload your two copies and I'll write a merge tool for you. In fact, I may have already written one. |
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| Author: | Jirbun [ June 15th, 2025, 23:22 ] | ||
| Post subject: | Re: Merge partially damaged module copy 0 with copy 1 | ||
Thank you very much fzabkar! Do you want to send it to me for a fee by email or do you upload it here for everyone?
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| Author: | fzabkar [ June 16th, 2025, 13:56 ] |
| Post subject: | Re: Merge partially damaged module copy 0 with copy 1 |
I'll upload it here when I get around to writing it. It's a relatively trivial task. |
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| Author: | fzabkar [ June 16th, 2025, 18:21 ] | ||
| Post subject: | Re: Merge partially damaged module copy 0 with copy 1 | ||
Using a hex editor, I replaced every sector that was filled with 0x21 with 0x00 (using search and replace). Then I merged the two files by bitwise OR-ing their contents. I just need to modify my file merging tool to accommodate the bad sectors. Alternatively, if PC3000 can zero-fill each bad sector, then you can use this tool: https://web.archive.org/web/20230522150553/http://www.users.on.net/~fzabkar/FreeBasic_W32/Utils/filmerg7.exe https://web.archive.org/web/20230522150553/http://www.users.on.net/~fzabkar/FreeBasic_W32/Utils/filmerg7.bas I confirmed that the checksum for the merged module is 0x00000000.
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