troubleshooting Question

Modifying io.sys: boot floppy

Avatar of ram_einstein
ram_einstein asked on
Microsoft DOS
10 Comments4 Solutions9598 ViewsLast Modified:
Hi,

I created a custom boot floppy by modifying (+ adding and deleting a few files) the standard Win98 boot disk. It contains a variety of files including msdos.sys, io.sys, command.com, config.sys and autoexec.bat

I modified config.sys, autoexec.bat and help.txt to suit my needs. When I changed my boot sequence to Legacy floppy, the floppy succesfully registered and displayed:


Starting Windows 98....                                  <-- THIS


Windows 98 Startup Disk                                <-- AND THIS
================

1. Use Custom boot disk                                  // MODIFIED
2. View Help file                                             // MODIFIED


As you can see, I managed to modify the lines marked 'MODIFIED' but wasn't able to modify the lines marked 'THIS'

I figured out that these two lines of text are controlled by io.sys by method of elimination. So I opened io.sys in an ASCII text editor (notepad). Half of it was in the form of junk characters so I figured out I couldn't modify it that way. Is there any other way to modify it?

Thanking you for your time,

Ram
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