Alcohol 120% lets you backup your original game CDs or DVDs even if they are protected. It can create 31 virtual CD & DVD-ROMs, allowing the user to play the discs without the need to insert the physical disc. In addition, it also allows you to create copies of your CD & DVD to CD-R / CD-RW / DVD-R / DVD-RW / DVD-RAM and DVD+RW discs. Since virtual CD-ROMs can be accessed a lot faster, you can play them at a reading speed of 200X.
Alcohol 52% is an emulation software allowing users to play CDs & DVDs without the need for the physical disc. (This functionality is included in Alcohol 120%)


http://www.alcoholsoftware.com/download.php

Alcohol 120% Version 1.4.6.711 (Released 2003-07-12)

New Supported TAO (Track at Once) burning method now.
New Support for PDI image file format (PDI is from Instant CD/DVD burning software).
New List all device driver loaded in system in system report info text (for Windows NT/2k/XP or greater only).
New Add two-menu item for users to delete the history image file list in shell context menu. (File->"Image file list"->"Shell context menu").
New Support AutoPlayV2 feature in Windows XP or greater platform.
New Add "Read Sector" function in the "CD/DVD Manager", "Image Making Wizard" and "Copy Wizard" (Just right-click the track you want to read in track list view).
New Added Support for more devices, you can find more detailed information on our development page at www.alcohol-soft.com/devsupp/
New Support for Bulgarian and updated the language files.

Fix Fixed some minor flaws.
Fix Fixed incorrect writing speed reported by some DVD Burner.
Fix Fixed hanging on burn completion reported on a few drives.
Fix Fixed the RMPS BSOD problem when user turns on Hyper-Threading function of CPU.
Fix Fixed some network mounting problem, that were occurring in some rare case only.

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Alcohol 52% Version 1.4.6.711 (Released 2003-07-12)

New Support for PDI image file format (PDI is from Instant CD/DVD burning software).
New List all device driver loaded in system in system report info text (for Windows NT/2k/XP or greater only).
New Add two-menu item for users to delete the history image file list in shell context menu. (File->"Image file list"->"Shell context menu").
New Support AutoPlayV2 feature in Windows XP or greater platform.
New Add "Read Sector" function in the "CD/DVD Manager" and "Image Making Wizard"(Just right-click the track you want to read in track list view).
New Support for Bulgarian and updated the language files.