What the hell is "MS-Dos compatibility mode"?

I’m having trouble installing a game,I was told by the tech support guy it is because “my cd-rom drive is in Ms-dos compatibility mode which is using 16 bit” game needs 32 bit.How do I remedy this?

Do you have the current version of MS-Dos installed? What error message are you getting?

'“my cd-rom drive is in Ms-dos compatibility mode
which is using 16 bit” game needs 32 bit."

That’s exactly it. Your cdrom drive is using a 16 bit driver & the game wants a 32 bit cdrom driver.

So…if I understand you correctly…I need to update my drivers?

You should edit your config.sys file and disable the line that contains the cd-rom driver, and the mscdex line from your autoexec.bat file. You should remove the cd-rom from the device manager as well. Reboot. Windows Plug & Play should (hopefully) pick up the cd-rom.

As was just said by Baraqiyal…

You have to remove the Dos drivers for the CD drive. This is from a Win95 boot floopy with cd support.

Edit config.sys

DEVICE=A:\HIMEM.SYS
devicehigh=A:\CDROM.SYS /D:MSCD000

change to

REM DEVICE=A:\HIMEM.SYS
REM devicehigh=A:\CDROM.SYS /D:MSCD000

Edit autoexec.bat

LH A:\MSCDEX.EXE /D:MSCD000 /M:12 /L:E

Change to

Rem LH A:\MSCDEX.EXE /D:MSCD000 /M:12 /L:E

Windows should load it’s own 32 bit drivers when you reboot. Run the find new hardware, if not.

You can edit the two files again removing the Rem that you added, if the computer won’t see the CD drive.

You can delete the drivers completly from the two files , if the CD drive was recognized by Windows.


I’m only your wildest fear, from the corners of your darkest thoughts.

MS-DOS

::snicker::giggle::Ha, ha, ha::

compatibiliy

::Ha ha ha::

Stop, Stop, yer killin’ me!

Virtually yours,

DrMatrix
These words are mine and they are true - Chief Meninock

I forgot to mention my cd rom is on a Scsi bus…also…none of those lines exist in config.sys or autoexec.bat…

“Trust the UBB code, it will come if you type it.”

I should have risked a double post. Now everything I typed is gone.


I’m only your wildest fear, from the corners of your darkest thoughts.

I’m not going to retype everything.

You need to post at minimal.

1 Operating system
2 Processor
3 SCSI card
4 CD drive
5 Mastercard # (kidding)

Your SCSI interface may be running in 16 bit mode and causing the CD drive message. I haven’t run a CD drive via SCSI so I can’t halp you any further.

Go to the FAQs on the web page for the SCSI card and the CD drive. Try the manufacturer’s email tech support, if the FAQs section doesn’t help you. It may take a couple days, but it’s free and can be helpful.

If you want to open yourself up to a bunch of immature, self centered, pompus people try this site.
http://forums.delphi.com/tomshardware/start/

It used to be informative, and you may still get a helpful answer. Don’t cringe when the immature ones post to your question.

This feels like sending the lambs off to slaughter.

Or just copy the game to the HD & play it from there.

OK…lets try this again…

Windows 95
Adaptec Scsi…AHA2940
Dell Optiplex GXa

under system manager I get the messages “one or more drive operating in MS DOS compatibility mode”

Handy…thats the problem…my cd rom drive only sees a readme file when I try to load the game…Software company said it’s because of above problem.

All files on a CD rom are read only files, since you can’t write to the CD. You may copy the Cd to the hard drive, and right click on the hard drive files. Under properties deselect read only. The files can now be writen to and saved. You may select all the files in a directory, and change them at once. Each directory would have to be changed one at a time. Is this of any help? I don’t see why the files would need to be installed and made readable.

I would try this method. You copy the CD to the hard drive and run set up from the hard drive. Set up will install the game to a different directory referencing the original installation location on the hard drive. The installed game will read the read only files on the hard drive where you originaly copied the CD to. This assumes no copy protection is involved.

Sorry misread readme for read only.

You didn’t post the complete Adptec number. That series seems to be 16 bit adapters. You can’t comunicate to the CD drive with 32 bit mode drivers, if the SCSI card is only a 16 bit card.

Try a new IDE drive for about $40 - $50. Thats cheaper than a new SCSI card.