Recovery methodThere are levels in erasing data in disks.
Asking a data recovery company (a data salvage company)? Level 1: Zero Write method (once)
seems the only way.? Level 2: Random Write method (once)
Even if the MD is not recognized a drive, a transmission may be? Level 3: Random/ Zero Write method (twice)
possible with the MD (light hardware failure). In this case, system? Level 4: US Department of Defense (DoD5220.22-M)
recovery software such as Norton Utilities in Norton System-? Level 5: US Department of Defense (DoD5220.22-Expanded)
Works 2004 (NOTE1: ) may help drive recognition.? Level 6: Guttmann method
Once the drive recognition is recovered, the record may be re-At least level 3 data erasure is recommended.
covered by the method mentioned in 4.5.2 MD software failure.Data erasure software is commercially available from software
However, if it is a hardware failure, banning the use of the MD iscompanies. It seems convenient to use Final Data 2.0 Premium
strongly recommended.as there is a data erasing function in it.
2.1.4.5.2Microdrive software failure2.1.5 Combinations of media and a main unit
Most of the software failures are caused by the unrecognizableMC100 - 200 can record movies, pictures, and audio on compact
MD after user's editing works such as formatting and adding/ de-flash cards, SD cards in addition to Microdrives. Recording mov-
leting files or maintenance works such as defragmentation andies is partially limited. Characteristics of each medium, available
check disk done with a device other than the main unit.or limited operation items, and available operation time are ex-
Many cases under this condition, recovery can be done by usingplained in this section.
recovery software, which can recover MPEG2 data, such as Final
2.1.5.1Types of media
Data 2.0 Premium. It enables the drive recognition and the data
Available media for MC100-200Data for comparison
reading. Once the data is recovered, follow the below procedure.
MicrodriveCompact Flash cardSD cardMemory stick
2.1.4.5.2
If backup is impossible,
Backup the user MD recorddo not proceed to the further works.Type
Countermeasure for
the software failure
Format the MD with the main unitCapacity2GB1GB1GB1GB
Start the data
recovery software
Price33000yen38000yen58000yen52000yen
Perform the DDD Clean Disk
Is the data YES15yen/9iMB38yen/9iMB58yen/9iMB52yen/9iMB
recognizedUnit price per 1MB
Further recovery is not expected.
NOPerform the DDD Full Check againPlease explain the user that it is Commercially available 4GB1GB1GB1GB
a MD failure.maximum capacity
Recommend a data
recovery companyCommercially available maximum capacity
Troubles?YESMD failure
MC100 - 200 are basically designed to record movies by using
NO
Perform an operation check on Microdrives.
all items including MD and SD.
Return the user backup dataExplain the user that the possible cause MC100 - 200 have 2 types of slots, one for a Microdrive or a
of the failure may be the users PC works.
Check again whether the user did a Compact Flash card, and the other for a SD card.
Perform a detailed operation prohibited or not guaranteed operation
check by using the user MDby the Instruction Book.From the menu, movies/ pictures/ audio can be selected for a
medium in either one of the slots.
Troubles?NOPerforming formatting
and Clean Disk resolve
the failureRecording modeFactory setting
YES
Main unit failureEndMoviesMD/CF
NOTE1:
Norton SystemWorks 2004 (Latest version on 2004/ 9/ 29)PicturesSD
It is Symantec's data recovery software.
For system requirements and other details, please check theirAudioSD
web site.http://www.symantec.com/region/jp/products/
As movies, pictures, and audio can separately select the slots,
NOTE2:
using one slot for all recording mode is possible. However, as
Final Data 2.0 Premium Office (Latest version on 2004/9/29)
movies require large capacity and high transmission speed, the
It is AOS Technologies' data recovery software.
available recording mode (image quality) is limited.
Although there are some kinds of recovery software as FINAL-
(Refer to 5.2.3 Image quality and support media.)
DATA series from this company, this is the cheapest one that
Recording movies in Microdrive setting is recommended.
can recover MPEG2.
2.1.5.2Movies
For system requirements and other details, please check their
Movies are recorded SD-VIDEO1.1 standard, (images) MPEG-
web site.http://www.finaldata.ne.jp/
2-PS (with RDI),(audio) Dolby Digital AC-3, NTSC 60 frame as-
2.1.4.5.3Reusing Microdrives
pect 4:3
If a Microdrive of a user is reused for another user, normal data
Movie recording is explained as follows.
deletion may not completely erase the previous user's informa-
2.1.5.2.1Recording rate
tion (images) and the previous user's information may come
ImageAudio
back. Unlike hard disks of PCs, most of the recorded contents of
Image quality mode Image quality BitCBR/Sampling BitCBR/RDITotal bit rate
Microdrives are images and audio data, thus there is a little pos-9�Image size9O(Sensitivity comparison)rateVBRfrequencyrateVBR
Ultra fineEquivalent
sibility of recorded personal information in Microdrives. However,9�720? 4809Oto DVC8.5MbpsCBR48 kHz384kbpsCBR32.768kbps8.92 Mbps
proper handling in reusing Microdrives is required as a businessFineEquivalent5.5MbpsCBR48 kHz384kbps CBR32.768kbps5.92 Mbps
9�720? 4809Oto DVD cam
organization. NormalEquivalent4.2MbpsVBR48 kHz256kbps VBR32.768kbps4.49 Mbps
9�720? 4809Oto VHS
EconomyEquivalent1.5MbpsVBR48 kHz128kbps VBR32.768kbps1.66 Mbps
9�325? 2409Oto video CD
(No.YF058)1-9 |
ACEC
JVC
