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What is the .MDS File Extension?


.MDS File Extension Description:

Alcohol 120% is CD and DVD burning software allowing you to create backup copies of your CDs and DVDs. Furthermore, it lets you store frequently used CD images on your computer so they can be called when the need arises.

Alcohol 120% saves its CD image files in MDF file extension and creates the corresponding catalog files that end with MDS file extension. If you do not intend to burn the image files, Alcohol has the capability of creating virtual drives where you can simply mount the image files making them as though they are physically burned and present on the virtual drive.

The file with the .mds file extension typically starts with one header containing 112 bytes, followed by 80 bytes of data blocks which depend on the number of entries, 8 bytes of extra blocks also determined by the number of entries, and end with 22 bytes of footer. The other follows each section immediately.

Files with the .mds file extension are designed in such a way that individual entries can be easily found by indexing their file content as they are simply loaded into the ready file structures. Earlier versions of these files do not contain the extra-blocks; rather, their number of sectors per block is calculated by getting the difference between the starting sectors and the results between the num_sectors and the last track's starting sectors.

The header of each file with the .mds file extension contains the following structure: Media Descriptor, File format version, Dummy, File format version, Dummy2, Pregap correction, Total number of sectors in image, Dummy4, Number of lead-in plus regular track data blocks, Number of lead-in track data blocks, Total number of sessions in image, Dummy5, Number of regular track data blocks, Dummy6, and Offset of lead-in plus regular track data blocks.

Following the header is the track data blocks that define the track number, which can be in the range of 0x01 to 0x99. If the number of the data block is from 0xA0 to 0xA2, it is referring to the lead-in track of the disc. In this case, the track mode is set to 0x00. It is track 0xA0 that provides the information concerning the first track of the image whereas track 0xA1 is the one that provides information regarding the last track of the image. Additionally, track 0xA2 provides information as regards to the lead-out track where sec, min, and frame are put to the MSF of the lead-out track.

Next are the track's extra blocks, which define the number of sectors in pregap and the number of sectors in the track. The ending component that is the footer starts offset of the image filename and the use of the OFS filename.

Author: Alcohol Soft
Author URL: http://www.alcohol-soft.com
Related Applications: Alcohol 120%
Common Path: C:/ Program Files

Recommendation:

Run a Free Scan to check for MDS related errors & to optimize PC performance.


Do you have errors with .MDS files?

What Causes .MDS files Errors to Occur?

When experiencing errors with .MDS files you are potential having a critical Windows file error - your error could be the effect of damage to your registry and you should act to correct it immediately to avoid further damage to the program registry. Having these errors puts your computer in danger for fatal crashes, blue screen errors as well as hardware failure.

What are the Symptoms of .MDS files Errors?

.MDS files error symptoms include program freezes, shut down or start up problems, jerky pc operation, sluggish behaviour, screen halts, internal speaker beeps, trouble accessing documents as well as issues during program installs.

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