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TIRAMISU FOR DOS/WINDOWS V3.07 - SOPHISTICATED DATA RECOVERY
(c) 1996, 97 by Plug'n Play GbR, Uwe Gissemann, Dirk Knoblauch
CONTENT
1. OVERVIEW
2. SYSTEM REQUIREMENTS
3. INSTALLATION
3.1. Boot diskette
3.2. Specify swap area
3.3. Which Drive To RECOVER.
3.4. How to copy some or all files to a safe medium
4. RESULTS
5. RESTRICTIONS
6. OPTIONS
6.1. Swap Area
6.2. Excluded Main Directory Entries
6.3. Logging (Logfile)
6.4. Automatic Identification (Verify correct file system structure)
6.5. Start Identification At Sector X (multi partition problem)
6.6. Bad File Entry Acceptance
7. TROUBLE SHOOTING
7.1. Wrong Disk Size
7.2. Drive Structure Recognition Routine
7.3. Missing files or directories
7.4. Other Disk Tools
7.5. Get a New Version
8. REGISTRATION
9. NO WARRENTY
10.DISCLAIMER
1. OVERVIEW
TIRAMISU is a software for reconstructing data from a crashed hard drive.
It helps when the drive is
- hit by a virus
- formatted
- 'fdisk'ed
- zapped by a power failure
- damaged by applications
TIRAMISU scans the drive even when there are physical damages. The found
data are analyzed and reconstructed. TIRAMISU can handle drives without
readable boot sector, readable Fat or readable directories. It can
handle drives that are not recognized by DOS anymore.
TIRAMISU automatically creates a VIRTUAL DRIVE in memory. This virtual
drive looks like a usual file manager. You can see the lost directories
and files of your crashed drive. Now files and directories can be viewed
and copied to a safe medium.
The extensive use of our sophisticated pattern recognition technology
enables TIRAMISU to put the right pieces of data together again. Even
disks with very few administrative informations left can reach a high
recovery quality.
TIRAMISU recovers much more data than any other 'disk doctor'.
TIRAMISU is NON DESTRUCTIVE and READ ONLY. It does not put any data onto
your crashed drive. Recovered data are restored to another destination
(disk, diskette, network, interlink).
TIRAMISU works on DOS and Windows platforms. Better Windows95 support
has been added in version 1.03. Multi partition recovery has been added
in version 2.0.
Versions for NOVELL and NTFS are available too.
2. SYSTEM REQUIREMENTS
- 286 processor and up
- 4 MB RAM and up
Depending on the size of the drive to be recovered we recommend a 486
with 8 MB RAM. Installing 5 MB of EMS (Version 4) is recommended.
3. INSTALLATION
3.1. Boot diskette
Create a boot diskette with a CONFIG.SYS similar to this:
┌─────────────────────┐
│files=25 │
│device=himem.sys │
│device=emm386.exe ram│
│DOS=HIGH │
└─────────────────────┘
Make sure you have specified the correct drive parameters
in BIOS setup (Look to sec 7.1.).
Boot the computer and start the program TIRAMISU.EXE (best starting point
is a good second harddisk).
3.2. Specify swap area
By default TIRAMISU uses EMS as swap area. If for some reason there is
no or not enough EMS you can specify a swap area on disk.
Select OPTION -> DATA RECOVERY, tag 'DISK ALLOWED', specify path.
CAUTION: Do not swap to the drive you intend to recover.
You can swap to another computer via INTERLINK if you do not have
enough memory or a second hard drive (typical laptop situation).
However this should be your last choice because the speed would
decrease dramatically.
3.3. Which Drive To RECOVER.
You can switch between the drives using the TAB key.
Hit RECOVER for the drive you want to recover.
HD 128 is normaly C: and 129 is D: and so on...
┌──────────────────────────────────────────────────────────────────┐
│ File Options Registration Help Registered 14:05:35 │
│ TIRAMISU DATA RECOVERY │
│ SOPHISTICATED DATA RECOVERY (V3.03) STATUS │
│ (c) '96 by Plug'n Play, Uwe Gissemann │
│ IDENTIFICATION │
│╔═══ HD 128 ════╗ ┌─── HD 129 ────┐ Cluster │
│║ 1022*64* 63 ║ │ 786*64* 63 │ Main │
│║ 4120704 sec ║ │ 3169152 sec │ FAT │
│║ 2012 MB ║ │ 1547 MB │ │
│║ RECOVER ▄ ║ │ RECOVER ▄ │ CLASSIFICATION │
│║ ▀▀▀▀▀▀▀▀▀ ║ │ ▀▀▀▀▀▀▀▀▀ │ Cluster │
│╚═══════════════╝ └───────────────┘ Fat │
│ │
│ PROCESSING │
│ Main │
│ Subs │
│ Files │
│ │
│ DONE │
│ │
│Alt+F3 Close F10 Menu F7 Copy F8 View E:28896 403648 │
└──────────────────────────────────────────────────────────────────┘
TIRAMISU starts processing. Depending on your system's speed and the size
of your drive this can take 5 minutes or even up to 2 hours.
3.4. How to copy some or all files to a safe medium
Now you see the virtual drive and you can view and copy (registered
version only) the files to any DOS-available destination by pressing
the F7-key.
4. RESULTS
The virtual drive is a file manager like window. It will look like this:
File Options Registration Help Registered 12:13:11
╔═[■]═════════════╤════ Virtual Drive ════════════════════════════[]═╗
║─ROOT128 IO.SYS 41055 31.05.94 06:22 a__shr8BF0─8
║ ├──AOL25I ■ MSDOS.SYS 38186 31.05.94 06:22 a__shr8C0A─8■
║ │ ├──DOWNLOAD ▒ COMMAND.COM 57377 31.05.94 06:22 a____r8BC6─8▒
║ │ ├──SPOOL ▒ DRVSPACE.BIN 66294 31.05.94 06:22 a__shr8BD4─8▒
║ │ ├──ORGANIZE ▒ AOL25I <DIR> 05.05.97 13:31 _d____0015─│▒
║ │ │ └──SAVE ▒ AWR <DIR> 05.05.97 13:31 _d____03FB─│▒
║ │ ├──CCL ▒ BATCH <DIR> 05.05.97 13:31 _d____043A─│▒
║ │ ├──IDB ▒ BITMAP <DIR> 05.05.97 13:31 _d____044A─│▒
║ │ │ └──SAVE ▒ CHIP <DIR> 05.05.97 13:31 _d____0475─│▒
║ ├──AWR ▒ CORELDRW <DIR> 05.05.97 13:31 _d____070C─│▒
║ ├──BATCH ▒ CORLSCSI <DIR> 05.05.97 13:31 _d____0716─│▒
║ ├──CLUS1234 ▒ CSERVE <DIR> 05.05.97 13:31 _d____073B─│▒
║ │ ├──ANW16 ▒ DBASE3 <DIR> 05.05.97 13:32 _d____0EB8─│▒
║ │ └──ANW256 ▒ DECODER <DIR> 05.05.97 13:32 _d____0EF2─│▒
║ ├──CHIP ▒ DESKJET <DIR> 05.05.97 13:32 _d____10BE─│▒
║ ├──CLIPART ▒ DOS <DIR> 05.05.97 13:32 _d____10DA─│▒
║ │ ├──BUSINESS ▒ DUMMY <DIR> 05.05.97 13:32 _d____12AF─│▒
║ │ └──CARTOONS EATEMS <DIR> 05.05.97 13:32 _d____12B7─│
╚▓▓▓▓▓▓▓▓▓▓▓▓▓▓═╧══════════════════════════════════════════════════─┘
Alt+F3 Close F10 Menu F7 Copy F8 View E:26320 F:7576 117696
On the left side you can see the directory names. If for some reason your
main directory was destroyed there can be some dummies ("CLUS1234"). This
usually does not effect the quality of the recovered files. You will find
the recovered files inside of these dummy directories.
The right part of the windows contains the file and directory entries of
the directory you selected on the left side.
You can copy (registered version only) the recovered files either from
the left or the right side of the virtual drive window. If you want to
retrieve the whole drive you should select "ROOT128" on the left side
and press F7-Copy.
The quality of the recovered files depends on the condition of the drive.
The recovery quality of a single file can be checked by selecting the file
in the right part of the window and pressing the space key:
File Options Registration Help Registered 12:13:11
╔═[■]═════════════╤════ Virtual Drive ════════════════════════════[]═╗
║─ROOT128 IO.SYS 41055 31.05.94 06:22 a__shr8BF0─8
║ ├──AOL25I ■ MSDOS.SYS 38186 31.05.94 06:22 a__shr8C0A─8■
║ │ ├──DOWNL╔═[■]════════════ SAMANTA.DOC ════════════════╗___r8BC6─8▒
║ │ ├──SPOOL║Attributes: a_____ _shr8BD4─8▒
║ │ ├──ORGAN║Date: 20.02.97 ▓____0015─│▒
║ │ │ └──SA║Time: 18:00:22 ▓____03FB─│▒
║ │ ├──CCL ║Length: 484864 (x00076600) ▓____043A─│▒
║ │ ├──IDB ║Methode: DSF ▓____044A─│▒
║ │ │ └──SA║Chaining: ▓____0475─│▒
║ ├──AWR ║8C36─8C37─8C38─8C39─8C3A─8C3B─8C3C─8C3D─ ▓____070C─│▒
║ ├──BATCH ║8C3E─8C3F─8C40─8C41─8C42─8C43─8C44─8C45─ ▓____0716─│▒
║ ├──BITMAP ║8C46─8C47─8C48─8C49─8C4A─8C4B─8C4C─8C4D─ ▓____073B─│▒
║ │ ├──ANW16║8C4E─8C4F─8C50─8C51─8C52─8C53─│ ▓____0EB8─│▒
║ │ └──ANW25║ ▓____0EF2─│▒
║ ├──CHIP ║ Ok ▄ ▓____10BE─│▒
║ ├──CLIPART ║ ▀▀▀▀▀▀▀▀ ____10DA─│▒
║ │ ├──BUSIN╚═■▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒═╝____12AF─│▒
║ │ └──CARTOONS EATEMS <DIR> 05.05.97 13:32 _d____12B7─│
╚▓▓▓▓▓▓▓▓▓▓▓▓▓▓═╧══════════════════════════════════════════════════─┘
Alt+F3 Close F10 Menu F7 Copy F8 View E:26320 F:7576 117696
The characters next to "Methode:" tell you something about the quality
of this single file.
F - FAT approved. This file has been recovered using a valid FAT
entry. This is a very good sign. In all probability this file
is good.
D - Directory entry found. A directory entry was found for this
file. This is usually a minimum requirement for a good file
quality
S - Confirmed by signature. Some kinds of files (for example EXE
files) has signatures. An 'S' indicates that the found data
indeed have this signature.
Another way to check the file quality before you copy is viewing it with
the hex-viewer (F8).
5. RESTRICTIONS
TIRAMISU handles only drives with 16-Bit Fats, which applies to most
systems. Very old (10 MB) drives have another Fat (12-Bit). The very
new 32-Bit Fat is not supported.
Since TIRAMISU is very memory hungry, your PC might run out of memory.
If you face this problem, install a memory manager with as much RAM and
EMS as possible.
Watch the available memory displayed at the bottom line. The value
displayed at the far right shows the free RAM. The E:XXX shows the free
EMS. The RAM should not go below 50000.
6. OPTIONS
There are several options you can change in the OPTIONS->DATA RECOVERY
screen:
╔═[■]═════════ Tiramisu Data Recovery Options ═════════════╗
║ Swap area: ***CAUTION: Don't swap to the drive ║
║ () EMS only you intend to recover! ║
║ ( ) Disk allowed D:\TEMP ║
║ ║
║ Excluded main directory entries: ║
║ FILE*.CHK;DIR*.CHK;*._DD;PCT*.FIX;DIR0????.* ║
║ ║
║ Logging to file: ║
║ ║
║ ║
║ [X] Automatic Identification ║
║ Start identification at sector: 0 ║
║ Bad file entry acceptance (0-100 %): 50 ║
║ ║
║ OK ▄ Cancel ▄ ║
║ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀ ║
╚══════════════════════════════════════════════════════════╝
6.1. Swap Area
By default TIRAMISU stores memory intensive data in EMS. If your have no
or not enough EMS available you can allow swapping to a drive. Be sure to
choose a drive you are not just recovering.
6.2. Excluded Main Directory Entries
This option tells TIRAMISU to ignore files entries that have been created
during a previous run of another disk doctor (Norton, Scandisk,...).
6.3. Logging (Logfile)
Use this option to create a log file of TIRAMISU's processing. This might
be interesting for debug purposes.
6.4. Automatic Identification (Verify correct file system structure)
The first thing TIRAMISU does is to retrieve the original structure of
the file system: place of Fat1, Fat2, main directory, number of sectors
per cluster, number of clusters.
If you tag off this option TIRAMISU shows you what it thinks what kind
of file system it found. Usually you confirm this by pressing OK. If you
do not confirm the structure TIRAMISU found, you can continue the
identification procedure by pressing SEARCH AGAIN. After a while TIRAMISU
will make a new proposal.
6.5. Start Identification At Sector X (multi partition problem)
By default TIRAMISU starts its identification procedure at sector 0.
However you might be interested in recovering another but the first
partition. Then you can enter a value in this field.
Example: Let's suppose you have a 600 MB drive with two partions (400 MB
and 200 MB). You want to recover the second (200 MB) partition. The first
partition uses 400 MB space on the hard drive. These are approximately
800000 sectors (one sector has 512 bytes). Consequently you should enter
the value 800000 in this field.
You should tag the "Automatic Identifation" off. So you can verify if
TIRAMISU retrieved the correct file system structure.
6.6. Bad File Entry Acceptance
TIRAMISU uses statistical algorithms to decide if file entries are
included into the recovery process. If you set this option to 0
TIRAMISU is very strict. If you set it to 100 TIRAMISU is very loose.
50 is a good value. Increase it if you miss some files in the resulting
virtual drive. Decrease it if you get scrambled results.
7. TROUBLE SHOOTING
Sometimes you might think the computer is frozen and TIRAMISU is
crashed. Be patient! Some procedures might take up to one hour. If
TIRAMISU crashes you usually get an error code.
7.1. Wrong Disk Size
A nasty source of problems is a wrong disk size reported from BIOS.
Check the size TIRAMISU thinks your drive has:
╔═══ HD 128 ════╗
║ 1022*64* 63 ║
║ 4120704 sec ║
║ 2012 MB ║
║ RECOVER ▄ ║
║ ▀▀▀▀▀▀▀▀▀ ║
╚═══════════════╝
If this size (2012 MB in this example) is not correct you won't get
correct recovery results.
Reboot your computer and enter the BIOS setup. Let it "auto detect"
(if available) the drive size or enter the values manually.
If the drive is bigger than 504 MB make sure the LBA mode is enabled.
If you still get a wrong drive size try this (experts only!):
- make a backup of the very first sector (physical sector 0,0,1)
- Overwrite the very first sector (512 bytes) with zeros.
You can use a disk editor like Norton's DISKEDIT for this task.
Reboot the computer again.
7.2. Drive Structure Recognition Routine
If you get only scrambled results this could be due to the TIRAMISU
drive structure recognition routine. Try this:
Select OPTION -> DATA RECOVERY, tag 'AUTOMATIC IDENTIFICATION' off.
Press RECOVER. After a while you get a window that proposes a certain
drive structure:
╔═[■]════════════════════ Drive structure ════════════════════════╗
║STRUCTURE-INFORMATION FOR DRIVE: 128
║1022 Cyl x 64 Heads x 63 Sec = 120704 phys. Sect. = 2012 MByte ■
║ ▒
║Cluster size: 32 (x20) ▒
║Data start (Cluster 0) at sector: 538 (x0000021A) ▒
║Last Cluster: 64767 (xFCFF) ▒
║ ▒
║FAT start: 64 (x00000040) ▒
║FAT end: 316 (x0000013C) ▒
║ ▒
║Free: 27676 (x6C1C) Cluster = 42.73 % ▒
║Reserved: 0 (x0000) Cluster = 0.00 % ▒
║Used: 37090 (x90E2) Cluster = 57.27 % ▒
║Bad: 0 (x0000) Cluster = 0.00 % ▒
║Undefined: 0 (x0000) Cluster = 0.00 % ▒
║ ▒
║ Ok ▄ Search again▄ Cancel ▄ ▒
║ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀▀▀▀▀▀
╚═■▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒═╝
Check the value "Cluster size". It tells you how many sectors a cluster
uses. In the example above the cluster size is 32 sectors (=16 kB).
Check the value of "Data Start (Cluster 0) at sector". If you are
retrieving the first partition it should be below 1000. If you try to
retrieve - let's say - the 2nd partition of a 2 GB drive with two 1 GB
partitions this value should be around 2000000.
Check the value of "Last Cluster". Do the following calculation:
(Last Cluster * Cluster Size) / 2
This is the size (in kB) of the partition you are going to recover.
In the example above the partition size is
32 * 64767 / 2 = 1036272 kB
This is approximately 1 GB. Since I know that my 2 GB drive had two
partitions of 1 GB this identification is likely to be correct.
If you are not satisfied with what you see you can press 'Search Again'.
TIRAMISU tries to retrieve another structure. Repeat this until the
proposed structure seems to be correct.
Finally press 'Ok'.
7.3. Missing files or directories
You can change the option "Bad file entry acceptance". 0% means a
very strong directory recognition routine. Use only if TIRAMISU crashes.
100% means a very loose directory recognition routine. Use if TIRAMISU
goes through but you miss some directories. 50% is a good standard value.
(see 6.6.)
7.4. Other Disk Tools
You should not use any other 'disk doctor' before running TIRAMISU. If you
did so, please 'undo'.
If you cannot 'undo' you can tell TIRAMISU to ignore the file entries
the 'disk doctor' created (something like FILE0000.CHK...).
Select OPTION -> DATA RECOVERY, modify the field 'Exclude Main
Directory Entries'.
7.5. Get a New Version
Download a new version from our Internet site (address below).
If you find any bugs, please send a description to one of the addresses
below or use our support form at "http://www.recovery.de".
8. REGISTRATION
TIRAMISU IS DISTRIBUTED AS SHAREWARE. FEEL FREE TO COPY, DISTRIBUTE OR
UPLOAD IT TO ANY MEDIUM. The unregistered version has all functions
for recovering your crashed hard drive. But only the registered version
of TIRAMISU allows you to COPY files from your recovered drive.
There are two kinds of licenses available:
- A limited version that can only be used for a PERIOD OF ONE WEEK.
In effect this is a PAY PER USE registration. The fee is
DM 145 (approximately US $95).
Orders within the European Community add 15% VAT.
- An unlimited version that can be used for an UNLIMITED PERIOD at
one computer at the same time. The fee is DM 290 (approximately
US $190).
Orders within the European Community add 15% VAT.
The registration procedure is this:
- Run TIRAMISU and check if it can restore your data (VIEW your files)
- Select REGISTRATION->REGISTRATION. You will be asked to insert a
diskette in drive A:.
╔═[■]════════ Information ═════════════╗
║ ║
║ Please insert the license or a ║
║ blank diskette in drive A: ║
║ ║
║ ║
║ OK ▄ Cancel ▄ ║
║ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀ ║
╚══════════════════════════════════════╝
Please have ready a blank formatted 1.44 MB or 1.2 MB diskette.
This diskette will become your license diskette later. Be aware
that any data on this diskette might be damaged during this procedure.
╔═[■]══════════ Confirm ═══════════════╗
║ ║
║ Disk in drive A: will be prepared ║
║ now for STEP 1 of registration. ║
║ DATA MIGHT BE DESTROYED! Continue? ║
║ ║
║ Yes ▄ No ▄ ║
║ ▀▀▀▀▀▀▀▀ ▀▀▀▀▀▀▀▀ ║
╚══════════════════════════════════════╝
If you encounter any problems please try it again using a fresh
formatted and error free diskette.
If you are running TIRAMISU from diskette do not remove the diskette
during the registration process because it is needed for reloading
overlays. If you do not want to risk this diskette's data, please
terminate the program, put the TIRAMISU program files onto a new
diskette and start TIRAMISU again to do the registration.
Finally you will be shown a 16- or 17-letter code.
╔═[■]════════ Information ═════════════╗
║ ║
║ Your license diskette is prepared ║
║ for registration now. Send us this ║
║ code: ║
║ CPYQ BVVN MHVA VCWX K ║
║ OK ▄ ║
║ ▀▀▀▀▀▀▀▀ ║
╚══════════════════════════════════════╝
- Submit this code to the TIRAMISU registration service (preferably
by fax, use the form you can find in REGISTER.TXT):
Tel.: 49-30-292 00 99 (Germany)
Fax: 49-30-292 60 63
Email: data_recovery@compuserve.com
http://www.recovery.de
http://ourworld.compuserve.com/homepages/data_recovery
Address: Plug 'n Play
Uwe Gissemann
Scharnweberstr. 43
D-10247 Berlin
Germany
- Specify the kind of license you want to purchase (7 days license or
unlimited license). Send the money or credit card information (VISA,
MASTERCARD or DINERS).
- The registration key will be forwarded to you immediately by fax
or email after we charged to your account.
- After receiving the registration key from us, please insert the
prepared diskette. Start TIRAMISU. Select REGISTRATION->REGISTRATION.
Enter the received key in the registration screen.
- Ready! Now you can use COPY to save your data.
IMPORTANT: Label the diskette as your license diskette. You will need it
anytime you run TIRAMISU. The license diskette can not be duplicated.
This is a copy protection.
The limited license allows you to recover data only from one
computer. It is not valid for other systems. (This restriction does not
apply for the unlimited license.)
9. NO WARRENTY
The quality of data recovery that is done by TIRAMISU depends on:
- physical condition of the hard drive
- fragmentation of the files
- grade of the loss of drive informations
TIRAMISU data recovery software, as all applications, has limitations.
We cannot provide recovery capabilities under certain conditions. Due
to the many variables associated with drive corruption, we cannot
guarantee recovery in all cases.
However, downloading and running the shareware version gives you the
closest idea to what we can offer.
All customers are recommended to check the files with the build-in
quality control (file information and file viewer) before they buy.
We do not do refunds.
10. DISCLAIMER
PLUG'N PLAY DOES NOT WARRANT THAT THE SOFTWARE IS ERROR FREE.
PLUG'N PLAY DISCLAIMS ALL WARRANTIES WITH RESPECT TO THE SOFTWARE,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
OF THIRD PARTY RIGHTS.
NO LIABILITY FOR CONSEQUENTIAL DAMAGES. IN NO EVENT SHALL
PLUG'N PLAY BE LIABLE FOR CONSEQUENTIAL, INCIDENTAL
OR INDIRECT DAMAGES OF ANY KIND ARISING OUT OF THE DELIVERY,
PERFORMANCE OR USE OF THE SOFTWARE, EVEN IF PLUG'N PLAY HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IN NO EVENT WILL
PLUG'N PLAY'S LIABILITY FOR ANY CLAIM, WHETHER IN CONTRACT, TORT OR
ANY OTHER THEORY OF LIABILITY, EXCEED THE LICENSE FEE PAID BY
THE BUYER.