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CD Backup Hints

CD Readers capable of reading unreadable sectors 21-12-1998
EMPiRE
CD-Writer Int #1 #2 #3 #4 Comments
Panasonic 7502B SCSI - Yes - - -
Philips CDD2600 SCSI - Yes - - -
Philips CDD522 SCSI Yes - - - 1 hour using CDRWIN 3.6b
Ricoh 6200S [1.0] SCSI - Yes - - -
Sony CDU-948S SCSI - Yes - - CDRWIN 3.6a
Teac CD-R55S SCSI Yes Yes - - 10 hours using CDRWIN 3.6b
Yamaha CDR400t [1.0i] SCSI Yes - - - 8 hours using CDRWIN
Nero 4.0.0.1
Yamaha CRW4260T SCSI No Yes - Yes Prassi
Yamaha CRW4416S SCSI No Yes - - -
CDROM Int #1 #2 #3 #4 Comments
Plextor UltraPlex PX32-TS SCSI No Yes Yes - -
Plextor UltraPlex PX32-TS SCSI Yes - - Yes 4 hours with CDRWIN at 1x
Pioneer DR-U12X SCSI Yes - - - 4 hours with CD Wizard Pro 4.2
CDRWIN failed to do the job!
Teac CD-R532S SCSI Yes - - Yes -
Toshiba XM-3801TA SCSI Yes - - - Very fast reading errors
#1 = Settlers 3 /Die Siedler 3
#2 = Fallout 2
#3 = Powerslide
#4 = Star Wars: Rogue Squadron 3D
CDRWIN last readable track error 06-12-1998
PSX PIRATE
The error about the last readable sector is one of those errors which occur with cdrwin which doesn't seem to make logical sense much like the warning about 4 second tracks. I have received many warnings about 4 second tracks with cdrwin although in many cases the shortest track on the disk wasn't even under 1 minute. In these cases cdrwin probably incorrectly interprets one of the 2 second pregaps as an actual track.

If Cdrwin displays the "GREEN mode 2 data track circle" do the following:

Right click on it and it should display the starting and ending time of the track and to the right of this the LBA which is the sector starting and ending "logical block address" (LBA). When you can see this you know that in can in fact read all the sectors from beginning to end and that this is a mistake on cdrwin's part.

I have never received this error with an original disk regardless of how poor of condition it was in. I have however received this message a few times when reading a copy of a copy. What I have done in these cases is one of the following things which has always worked: (The names to click on are the ones used in Cdrwin 3.4c. The newer versions may use different names.)

When you receive the error click finish again and see if it starts reading it. This will
often times work. If that doesn't work try ejecting the disk and reinserting it to refresh it and when you try again it may read it. Try adjusting the Read Retry Count - Specifies the maximum number of times to retry a failed read operation. This feature is not supported by all CDROM devices.

Finally as a last resort try rebooting your computer to clear any information from your system which may be causing the problem and try again.

How to handle Tracks Shorter than 4 Seconds 27-11-1998
PSX PIRATE
The first step is to choose no when it asks if you want to continue after the 4 second message.

Check the disc to see if the game really has any tracks under 4 seconds. 99% of the time you receive this message the disc won't contain any tracks under 4 seconds. You can right click on the "RED" audio buttons that appear after you select copy disc and that will tell you the length of that particular track or you can use your  computer's CD player and go down through the tracks to see there length.

If there isn't any tracks that are actually under 4 seconds go back and change the Analyze Subcode Option of "AUTO" which is the default setting to "FIXED" then repeat what you normally do. With fixed the audio subcode won't be analyzed like it is with the auto setting and cdrwin will immediately start to read the disc to hard drive without the warning appearing.

If the game does in that rare case contain a track under 4 seconds then you will have to edit the cuesheet in a specific way to get around this or you can use a sound editor to add enough extra time to the track so it will be larger than 4 seconds.

If you choose to continue after you see the warning without changing any settings then cdrwin will read the disk to an image file but when the cuesheet is loaded
in will be rejected and an error message will be displayed.

CDRWIN Help File 21-11-1998
PSX PIRATE
The following is from the Cdrwin help file:

Windows 95/98 Tips

Check the settings for all CDROM devices:
  • Open the "Control Panel" folder and click on the "System" icon.
  • Select the "Device Manager" tab.
  • Click on the CDROM icon.
  • For each CDROM device in the list.
    • Select the device.
    • Select the "Settings" tab.
    • Disable the "Auto insert notification" option.
    • Enable the ?Disconnect? option.
    • Enable the ?Sync data transfer? option.
    • Click on "OK"

Windows 95 Caching

The following tip can greatly improve CDROM recording performance under Windows 95. This could prevent buffer underruns and other common problems from occurring.

By default, Windows 95 does excessive file caching. This is a waste of CPU time, memory, and possibly disk space, since you will never go back and use anything in the cache.

To fix this problem, do the following:

  • Open the file SYSTEM.INI with a text editor (this file will usually be found in C:\WINDOWS or C:\WIN95).
  • Find the section of the file called "[vcache]"
  • Add the following lines after the "[vcache]" line:
    minfilecache=512
    maxfilecache=4096
  • Save the file changes.
  • Reboot your PC.

File/Disc Caching

We strongly recommend that you enable the file/disc caching feature on the Devices and Settings screen. This feature will greatly reduce the possibility of "buffer underruns" and also make efficient use of your CPU and other system resources.

Description

File/Disc caching (also known as "cyclic buffering") is the most important performance feature that has been added to CDRWIN this year. It will greatly reduce the possibility of "buffer underruns" and also make more efficient use of your CPU and other system resources. On most systems, you will not be restricted from running other programs while a disc recording is in progress (even at 4x recording speed). Now you can use your word processor, Internet browser, or other favorite application while your disc records safely in the background.

Important Note: The performance of the cache is determined by the speed of your CPU, harddrives, SCSI adapters, and other critical system components. Don't expect miracles when using non-Pentium systems, old harddrives, or ISA based SCSI cards (especially when recording at 4x speed).

Cache Settings

Enable Caching - Enables the caching feature.

Enable Debug Log - Enables the debugging log file. This option should only be used if you are having a major problem with the caching feature (the debug information will be written to the file C:\THREAD.LOG). Please contact Golden Hawk Technology before using this option.

Cache Size - Selects the size of the cache in megabytes (the minimum size is 1Mb and the maximum size is 32Mb).

Recommended cache size based on the amount of memory on your system:

System Memory Recommended Cache Size:

16 Mb 1 to 2 Mb
32 Mb 2 to 4 Mb
64 Mb 4 to 8 Mb
128 Mb 8 to 16 Mb
256 Mb 16 to 32 Mb

Warning: Do not use cache sizes larger than the recommended size. This can cause performance problems that are worse than not using the cache at all.

Full to Empty Ratio - Selects the percentage of the cache that must be read before the cache is filled again. Example: If the ratio is set to 85% / 15%, then the cache will be filled to 100%, wait for 15% of the data to be read, and then be filled to 100% again (this cycle will repeat over and over again until there is no more data to be cached). This algorithm is much more efficient then trying to keep the cache completely full all of the time.

CPU Priority Level - Selects the CPU priority level of the caching thread. For 99% of all systems, the "Normal" setting is more than adequate.

Nero PSX CD-Copy Settings 17-11-1998
DTEMPLE [Source]
How to copy psx games with NERO

Unfortunately Playstation CDs are heavily copy protected. Nevertheless it?s possible to create backups of most Playstation games.

This is hat you need:
  • A MOD chip, which must be soldered into the Playstation.
  • A CD recorder capable of burning CDs using the ?disc at once? method.
  • About 700MB of free drive space to store a CD image file.

Proceed as follows:

  1. Start Nero
  2. Insert the Playstation CD in your recorder
  3. Choose the menu command File->CD Copy
  4. Select the page Copy Options and uncheck the on the fly option. Select your CD recorder as input device and choose (for safety considerations) 1x as read speed.
  5. Open the page Read Options and select (if these options are available for your recorder): ?Read media catalog number and ISRC?, ?Continue copying?, ?Data Mode 1?: ?Force Raw reading? ?Write uncorrected?, ?Data Mode 2?: ?Force Raw reading? ?Write uncorrected?, ?Read audio with subchannel?, ?Ignore read errors? and uncheck ?Jitter correction?.
  6. Open the Image page and choose a harddisk drive with at least 700MB of free disk space.
  7. Select the page Burn and choose (for safety considerations) 1x as write speed.
  8. Click the Burn button
CDRWIN CD-Copy Settings 09-11-1998
PSX PIRATE
Q: I get a message that some tracks are too short for cdr specs and my Ricoh Writer refuses to accept the cuesheet
A: Under Subcode Options change the Analyze mode from the default of Auto to "FIXED". Instead of the audio subcode being analyzed which would normally happen with "Auto" it will begin reading the first data track which will avoid the warning about tracks under 4 seconds which in turn will cause the cuesheet to not be rejected.
Q: I am trying to burn a heavily scratched original copy of Marvel Superheroes using CDRwin in repair mode. Every time I copy the disk to the hard drive I get 3 errors. Since CDRwin is in repair mode and the game works fine in my Playstation, is it safe to burn a copy even with 3 errors? Any advice on this subject would be greatly appreciated.
A: According to the Cdrwin help file here is what occurs when you ignore and repair errors:

Ignore - Replace the unreadable sector with another unreadable sector and continue reading the disc. This option is only applicable to raw data sectors (for non-raw sectors, this option is identical to ?Repair?). Note: Some recorders do not support the writing of unreadable data sectors (they will be corrected before being written to the disc).

Repair - Replace the unreadable sector with a readable one (the sector will contain all zeros) and continue reading the disc.

How is replacing an unreadable sector with a readable one unsafe? Both ignore and repair will produce a valid working copy. However when you try make a copy of that copy is when you will see why its best to use repair. If you used ignore when you try to read the copy to make another copy of it you will receive the exact same amount of errors as you did with the original disk because the errors were ignored. If there was hundreds or thousands of errors on the original as I have seen in the past then it will take a very long time to
read through all these errors. If you use repairall the original errors will be replaced with readable data and when you try to make a copy of the copy there will be no errors on it just like a new disc and it will read to an image file in a much shorter time.

CD-Wizard Pro/Gold CD-Copy Features 01-11-1998
EMPiRE
The latest version of VOB CD-Wizard Pro/Gold claims that is able  copy to following interesting formats:
  • PSX CD's
  • CDs with read errors
  • Copy protected games CDs (e.g. Laserlock), but not ProtectCD CDs.
CD Volume Label 09-11-1998
EMPiRE
Prassi Cd-Right allows the use of spaces in the CD Volume Label.

Nero Burning Rom also supports spaces in the CD Volume Label, just go to the File Options tab and select ASCII in the Character Set part (the default is ISO 9660).

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