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How to make MS-DOS 6.22 to stop consuming 100% CPU in VirtualBox on Ubuntu

So you have a MS-DOS installed to a virtual machine on your super new multicore computer and it consumes 100% of your CPU (well… 100% of one core actually…)?

You need a dosidle util (zipped files, zipped floppy image).

Start your MS-DOS virtual machine. “Insert” a dosidle.img into a virtual FDD. Copy dosidle folder to C:\ drive.

In “C:\>” prompt type:

edit autoexec.bat

Insert “C:\DOSIDLE\DOSIDLE” after the last line.

File -> Save.

File -> Exit.

“Eject” dosidle.img from a virtual FDD. Turn off and on virtual machine.

Dosidle installed successfully. Your virtual machine is not consuming 100% of CPU (one core) anymore.

2 comments to How to make MS-DOS 6.22 to stop consuming 100% CPU in VirtualBox on Ubuntu

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