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Mscdex: Need help getting my CD Drive working in DOS

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First post, by Totempole

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I've been having some trouble getting a CD Drive to work on one of my machines in MS-DOS mode. I've tried a number of different drives, so can confirm that the drive itself is not the issue.

When I load the driver and test the CD-Rom, the CD Spins up as if it's reading the contents, then says "File Not Found". I've tried using oakcdrom.sys and sscdrom.sys, but the outcome is the same.

This is what my Autoexec.bat and Config.sys looks like:

Autoexec.bat

@C:\LETASSIG\LETASSIG.EXE @LETTERS.INI /O:DRIVEMAP.DAT /CD
SET SOUND=C:\PROGRA~1\CREATIVE\CTSND
SET MIDI=SYNTH:1 MAP:E MODE:0
LH C:\MOUSE\MOUSE.EXE
LH C:\WINDOWS\CTCM.EXE
LH C:\MSCDEX\MSCDEX.EXE /D:MSCD001

Config.sys

LASTDRIVE=Z
DEVICE=C:\WINDOWS\HIMEM.SYS
DOS=HIGH,UMB
DEVICE=C:\WINDOWS\EMM386.EXE NOEMS
DEVICE=C:\WINDOWS\setver.exe
DEVICE=C:\MSCDEX\OAKCDROM.SYS /D:MSCD001

ANy thoughts on this would be much appreciated. Thanks.

My Retro Gaming PC:
Pentium III 450MHz Katmai Slot 1
Transcend 256MB PC133
Gigabyte GA-6BXC
MSI Geforce 2 MX400 AGP
Ensoniq ES1371 PCI
Sound Blaster AWE64 ISA

Reply 1 of 5, by PhilsComputerLab

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Try the W98 SE bootdisk from here: http://www.bootdisk.com/bootdisk.htm

or my startup files from here: http://www.philscomputerlab.com/cd-rom-mouse- … t-up-files.html

Test with NOTHING connected apart from the CD-ROM drive and floppy. No hard drives, no master-slave setup.

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Reply 2 of 5, by Davros

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ps:
you might be able to do DEVICEHIGH=C:\MSCDEX\OAKCDROM.SYS /D:MSCD001
does lastdrive need to be z (can you use lastdrivehigh ?)
you seem to be missing a set blaster line

in mscd001 you havnt accidentally typed a O instead of 0 ?

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Reply 3 of 5, by Totempole

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philscomputerlab wrote:

Try the W98 SE bootdisk from here: http://www.bootdisk.com/bootdisk.htm

or my startup files from here: http://www.philscomputerlab.com/cd-rom-mouse- … t-up-files.html

Test with NOTHING connected apart from the CD-ROM drive and floppy. No hard drives, no master-slave setup.

I should have mentioned, the CD Drive reads fine when I use a boot disk, but not in MS-DOS Mode.

Davros wrote:
ps: you might be able to do DEVICEHIGH=C:\MSCDEX\OAKCDROM.SYS /D:MSCD001 does lastdrive need to be z (can you use lastdrivehigh […]
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ps:
you might be able to do DEVICEHIGH=C:\MSCDEX\OAKCDROM.SYS /D:MSCD001
does lastdrive need to be z (can you use lastdrivehigh ?)
you seem to be missing a set blaster line

in mscd001 you havnt accidentally typed a O instead of 0 ?

I tried DEVICEHIGH first actually, it doesn't make any difference.

I don't have any issues with sound, so I think one of the other lines has me covered for the SET BLASTER command. I installed the DOS Sound Driver form the original CD.

Also, I definitely typed MSCD001 correctly.

I suspect that maybe the top line is the problem:
@C:\LETASSIG\LETASSIG.EXE @LETTERS.INI /O:DRIVEMAP.DAT /CD

But if I remove that, it'll cause a whole bunch of other issues. 🙁

UPDATE:

I've sort of managed to fix it.

By changing
DEVICE=C:\MSCDEX\OAKCDROM.SYS /D:MSCD001 to
DEVICE=C:\MSCDEX\OAKCDROM.SYS /D:MSCD001 /L:E

I now have a working CD Drive in DOS Mode, but with the letter E instead of D, not ideal but better than no CD-Rom at all. It's definitely directly related to the first line of my Autoexec.bat file.

My Retro Gaming PC:
Pentium III 450MHz Katmai Slot 1
Transcend 256MB PC133
Gigabyte GA-6BXC
MSI Geforce 2 MX400 AGP
Ensoniq ES1371 PCI
Sound Blaster AWE64 ISA

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