How to Setup CD-ROM Drives under DOS | Tech Info | CD-ROM | Troubleshooting CD-ROM Drives |
In order for the computer to see and use the CD-ROM drive while in DOS, several entries must be made to the autoexec.bat and config.sys files. The required files are always provided by the manufacturer of the CD-ROM drive. The entries below which are bold will vary from one drive to another. The best way to add these entries is to use the program that is almost always provided on the included CD-ROM drive Diskette and is normally named install.exe .
If the file is not found, you have to first make a new folder in the hard drive (the example below uses a folder called CDROM) and copy the contents of the floppy diskette to the hard drive into that folder.
Then you edit the autoexec.bat file (in a DOS prompt on the root directory you type EDIT AUTOEXEC.BAT <enter>) and add the line as shown below. I this example the entry "D:NCI000" is specific to a particular drive. You need to know what the entries are for your drive by looking at the users guide.
The config.sys file is also edited as above You need to look in the folder (where you copied the files and locate the file with the .sys extension. In the example below the file name is IDE-CD.SYS. You of course replace this name on the config.sys entry with the one you find on your own CDROM folder. Once again each cd-rom folder varies so check with the users guide.
If you have problems with any type of errors having to do with "not enough drives" you will need to add a statement to the config.sys file as follows... (edit the config.sys file after you do a Shut Down to th MS-DOS mode)
lastdrive=X (where X can be any letter from F to Z, if you don't know use the letter M, this would allow your computer to use drive letters up to the letter M )
If you want to be able to read cd-rom drives using windows while running DOS programs in a DOS window, restart windows do the following...
click Start, choose Shut Down, the shut down window will appear
click the "Restart the Computer in the MS-DOS Mode" and modify the autoexec.bat and the config.sys files using the parameters provided by the manufacturer or the ones shown below.
C:\WINDOWS\COMMAND\MSCDEX.EXE /D:NCI000 /V
If you need to be able to access the cd-rom drive in the DOS environment, press Start, select ShutDown, select "Restart the computer in the MS-DOS Mode" and make the above changes to the autoexec.bat and config.sys"
Acer - n/a
In config.sys file add the line below:
DEVICE = C:\BTCCDROM\BTCCDROM.SYS /D:MSCD001 /V
In autoexec.bat file add the line below:
C:\WINDOWS\COMMAND\MSCDEX.EXE /D:MSCD001 /V
In Windows 95/ 98/ NT, you don't need to install a CD-ROM driver because the system can recognize the CD-ROM drives
Sound Blaster 16
Device=C:\SB16\DRV\SBCD.sys /D:MSCD001 /P:220
c:\SB16\DRV\MSCDEX.EXE /D:MSCD001 /V /M:15
[C]:[DIR]\mscdex.exe /D: CDROM /M:10
- If you have the CD512E connected to the primary or secondary IDE port, ...
- If you have the CD512E connected to the tertiary IDE port,
DEVICE=C:\TEAC\TEAC_CDI.SYS /D:TEAC-CDI /P:T-X
- If you have the CD512E connected to the quaternary IDE port,
DEVICE=C:\TEAC\TEAC_CDI.SYS /D:TEAC-CDI /P:Q-X
DEVICE= <drv:\path\>TEAC_CDI.SYS /D:<xxxxxxxx> /P:<xxx>
/D:<xxxxxxxx>:Specifies the driver name. This <xxxxxxxx> name must be the SAME in the Config.sys statement as the one in the AUTOEXEC or DOSSTART.BAT files.
/P:<xxx> :Specifies the IDE port the CD512E is connected to. It also specifies whether the CD512E is the MATER or SLAVE drive.
For example: /P:T-M shows the CD512E connected to the TERTIARY port as a MASTER
to use CD512E in MS-DOS mode, edit the DOSSTART.BAT file located in Windows directory and add the CD-ROM extension statement as follows:
- Bootup the system
- When you see the message "Starting Windows 95", press the F8 key.
- At the Startup menu, select "Command Prompt Only".
- At the DOS prompt, change directories to the WINDOWS directory.
- Using the DOS editor, edit a file called DOSSTART.BAT and add the following statement:
C:\WINDOWS\COMMAND\MSCDEX.EXE /D:TEAC-CDI /M:15
( if you have problems, try eliminating the /M:15 at the end of the statement)
- Reboot your system
Device=SRAY.sys /D:mscd001 /P:1F0 ,14,S /V
c:\TBSCDROM\mscdex.exe /D:mscd001 /L:F
Toshiba Satellite Pro 425CDS
c:\windows\command\mscdex /L:D /D:TOSCD001 /M:10
Sony IDE -
...drivers @ Sony Link,
device=[path]slcd.sys /D:name /B:xxx /M:x /T:x
where /D: is the driver name of SLCD.sys to be used with MSCDEX.exe
/B:xxx is the I/O port if applicable
/M:data mode, p=polled d=dma which requires the /T:parameter
/T:x is the DMA channel
[path] MSCDEX /D:name
where /D:name is the driver SLCD.sys
where /D:name is the driver name of SLCD.sys
[path] MSCDEX /D:name
Mitsumi IDE CD-ROM v1.35 Driver
Systems with the Mitsumi 2x or 4x CD-ROM Drive. These systems can
be identified by the words "Double Speed" or "Quad Speed" imprinted on
the CD-ROM tray.
1.Download the latest driver from our ftp site.
2.Place a diskette into the floppy drive. All data on this disk will be
3.Enter FORMAT A: /U from the MS-DOS prompt to prepare the diskette
4.Enter MIT135CD.EXE -D A: from the directory you transferred the file
to. This will decompress the self-extracting file onto the floppy diskette.
5.Enter A:\SETUPD.EXE once the file is extracted to install the CD-ROM
driver and follow the prompts to complete the installation. During the
installation, you will be prompted for the location of MSCDEX.EXE.
In DOS 6.X this file is located in the C:\DOS directory.
In Windows 95 this file is located in the C:\WINDOWS\COMMAND
The installation process will automatically create the entry
MTMCDAI.SYS below the following lines in your CONFIG.SYS file if
you have an AcerMagic S20 sound card and a CMD IDE Controller
running MS-DOS 6.x.
DEVICE=C:\QUICKCMD\CMD640X.SYS /I15 /A33 /L
Mitsumi IDE (non-OEM)
c:\DOS\MSCDEX.exe /D:MTMIDE01 /M:10
DEVICE=[drive:] [path] MTMCDAI.SYS [/D:devicename] [/P:xxxx,yy] [/A:n] [/U:n] [/L:xx]
primary (channel 1)
secondary (channel 2)
15 or 10
12 or 11
10 or 9
Primary (channel 1)
Secondary (channel 2)
General Information on "autoexec.bat" is also provided at the "Autoexec.bat" page.
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