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Does Oformat.exe run on W98/DOS?

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I was going to use the oformat.exe program on a win-98 system (booted into DOS) but got a "incorrect MS DOS version" error.  I used setver to create a setting for oformat.exe and set it to 8.00 and rebooted and verified the setver setting but oformat still complained about the dos version.  Format.com from win-me does seem to need a setver setting of 8.00 to run on Win-98 dos (7.10).  Has anyone run this oformat.exe program, and did you use setver?

 

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Would be nice if you could provide the exact EXE file.

Try using Windows ME's bootdisk for OFORMAT.COM.

Setver never helped in anything for me :) A nice question to add while on this topic, is why IO.SYS forces loading SETVER.EXE while starting 9x? What is it used for?

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I believe it sets up some default versions for some standard programs.

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I downloaded the win-me boot disk and booted ME-dos from floppy.  Oformat apparently *is* happy running under ME.  But I tried to format a drive and got "Your program caused a divide overflow error."  Tried this on two different systems (same target drive).  The drive is a 1 TB sata with a 250 gb primary partition and 750 gb extended partition containing 3 logical partitions of 250 gb each.  Partitioning was done with fdisk 121.  After not being able to run oformat, I formatted the primary partition with win98 format.com (worked fine).  Was trying to format the second partition with Oformat after booting ME-DOS.  Can't do it (divide overflow).

What do we know about large drives and oformat.exe (7/17/2004)?

Bonus question:  Is there a dos-mode format program that will let you specify cluster size ?  I think as of 5 or so years ago the answer was no - was wondering if that has changed.

 

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