sorry. forget attach
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OLM 2.jpg [ 134.32 KiB | Viewed 9950 times ] |
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OLM.jpg [ 141.96 KiB | Viewed 9950 times ] |
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OLM 1.jpg [ 130.71 KiB | Viewed 9950 times ] |
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| Olympus Digital Voice Recorder http://forum.hddguru.com/viewtopic.php?f=10&t=28044 |
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| Author: | ddrecovery [ February 25th, 2014, 19:14 ] |
| Post subject: | Olympus Digital Voice Recorder |
Any DR companies out there can handle recovery from an Olympus Digital Voice Recorder VN-7200. It is a non-USB version so makes it more complex. I think you need an eMMC adapter. |
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| Author: | HaQue [ February 26th, 2014, 2:38 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
Hi, still use the same DR techniques as USB. More-n-likely have a flash chip in there. want to take it apart and photograph it? or link to a teardown or something? If you want to ship to AU I can look at it. |
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| Author: | arvika [ February 26th, 2014, 14:56 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
HaQue wrote: Hi, still use the same DR techniques as USB. Yes, but it is little different. Usually Olympus voice recorder use own file system and sometimes it is a lot of manual work to recover data from this kind of device. |
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| Author: | HaQue [ February 26th, 2014, 17:16 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
Yes, like DVR formats. But recovery will still involve desoldering NAND and reading. But yes it would be difficult if the file system info is not in public domain. |
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| Author: | networkpc3000 [ March 3rd, 2014, 23:44 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
doing same here. http://www.rflashdata.com/olympus-vn-72 ... -recovery/ hex |
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| Author: | networkpc3000 [ March 3rd, 2014, 23:46 ] | ||||
| Post subject: | Re: Olympus Digital Voice Recorder | ||||
sorry. forget attach
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| Author: | fzabkar [ March 4th, 2014, 3:06 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
AFAICS, OLM.jpg is a standard MS FAT16 boot sector with a standard MS partition table at the end. That is, it is a boot sector and MBR in one. http://averstak.tripod.com/fatdox/bootsec.htm The partition table contains a single FAT partition (type 0x06) beginning at sector 0x8D and with a size of 0x3A3F73 sectors. The BIOS parameter block at the beginning of the boot sector indicates that the sector size is 512 bytes, cluster size is 64 sectors, and that the volume begins at physical sector 0x8D and has a size of 0x3A3F73 sectors. 0x3a3f73 x 512 = 1 954 473 472 It would appear that the card has a capacity of 2GB. The first 16 bytes of the next sector are consistent with a 16-bit FAT, namely "F8 FF FF FF FF FF FF FF FF FF FF FF 00 00 FF FF". OLM1.jpg looks like a regular FAT root directory. OLM2.jpg is the FOLDER_D directory. ISTM that the clusters are assigned as follows: Code: Cluster # contents -------------------- 02 root dir 03 - 04 FOLDER_A 05 - 06 FOLDER_B 07 - 08 FOLDER_C 09 - 0A FOLDER_D 0B FOLDER_A\INDEX.DAT 0C FOLDER_B\INDEX.DAT 0D FOLDER_C\INDEX.DAT 0E FOLDER_D\INDEX.DAT I presume that the card was formatted on Jan 11, 2014 and that FOLDER_D contains no data. If so, then all the file system structures appear to be consistent with a FAT16 volume. ISTM that one would simply mount the FAT16 volume beginning at sector 0x8D. As a precaution, I would write zeros to the partition table so as not to confuse your data recovery software. In short, I don't see anything special about the file system. Does it look any more complicated when voice recordings have been saved to the card? Is that where the difficulties lie??? |
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| Author: | ddrecovery [ March 4th, 2014, 11:59 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
networkpc3000 wrote: doing same here. http://www.rflashdata.com/olympus-vn-72 ... covery/hex Are you saying you can recover the data? Please keep me informed. |
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| Author: | networkpc3000 [ March 5th, 2014, 1:28 ] |
| Post subject: | Re: Olympus Digital Voice Recorder |
ddrecovery wrote: networkpc3000 wrote: doing same here. http://www.rflashdata.com/olympus-vn-72 ... covery/hex Are you saying you can recover the data? Please keep me informed. no success. working |
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