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Accessing CD-ROM drive

By shibu ·
I have purchased a new Hard Disk and I want to install Win 95 in it. After installing the Hard Disk I have made settings to boot from CD in the CMOS. On booting the system does not identify the CD-ROM drive. How can I access the CD-ROM drive?

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Accessing CD-ROM drive

by Tim Parkins In reply to Accessing CD-ROM drive

Hi,

I am no expert, but it sounds like a driver problem. I believe that you can add the lines to your autoexec.bat to invoke the CD-Rom driver...

Best of luck!!

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Accessing CD-ROM drive

by shibu In reply to Accessing CD-ROM drive

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Accessing CD-ROM drive

by kevin.riggs In reply to Accessing CD-ROM drive

OK.

One factor is the age of your computer (namely the age of the BIOS, the motherboard and the CD drive).

Another factor is, are you positive of the jumper settings on the CD drive and the hard drive? Are both drives on the same ribbon cable?

Set the hard drive to Master or Single (should be same setting on most hard drives). Set the CD drive to Slave. IDE cables come as single drive cables (having only 2 connectors - one at either end) and double drive cables (having a single at one end and two connectors very close to each other at the other end). Let's assume you have a double drive cable and you've set the jumpers on the drives correctly. The hard drive must be on the end of the cable for most computers. This is becauseit is the Master and while IDE cables don't have the same problem with termination that older SCSI format does, sometimes the Master drive does not pass through any data.

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Accessing CD-ROM drive

by kevin.riggs In reply to Accessing CD-ROM drive

In many cases, putting the hard drive on the last connector and the CD drive on the middle connector takes a feat of gymnastics inside the computer. If yours doesn't fit, then either move the drives around inside the case, order a longer cable or consider putting two drive cables in the machine (in which case, both drives should be set as the Master -- as in the Master of its own cable). If you've done all this and you make the CMOS selection to boot from CD drive, you insert the bootable CD (Win 95 SR2, 98 or 2K) and you still cannot boot from the CD drive, then boot from a floppy. On the floppy, you need the necessary boot files (3 files io.sys, msdos.sys and command.com), a CD driver (something like mitsu89.sys), a Microsoft DOS extension for CD's (MCSDEX.EXE), a Config.sys (for loading the device driver) and Autoexec.bat (for using the DOS extension). The Config.sys that contains a reference to the CD driver that tells the computer how to use your CD drive. Normally this linewill be something like DEVICE = mitsu89.sys D=0xha S=xxx). Its been so long since I worked on a Config.sys file I can't even remember a well-formatted driver string. In the Autoexec.bat you need a line to load the file called MSCDEX.EXE (this is aMicrosoft program that is distributed with DOS and most Windows versions).

If all else fails, booting to DOS and loading the correct device driver in Config.sys and the Microsoft driver in Autoexec.bat should always give you access to the CD aslong as the CD drive is connected and has power.

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Accessing CD-ROM drive

by shibu In reply to Accessing CD-ROM drive

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by shibu In reply to Accessing CD-ROM drive

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