app requires C: less than 1.9GB?

Ulf Zimmermann ulf at Alameda.net
Wed Mar 19 08:23:51 PST 2003


On Tue, Mar 18, 2003 at 10:45:19PM -0500, N. Thomas wrote:
> Someone just asked us puzzling question. They have a medical application
> that runs on Windows (don't know which version), and requires that the
> size of the C: drive it is installed on to be less than 1.9GB.
> 
> We've never heard of a size constraint like this and are puzzled as to
> why a maximum size was specified (as opposed to "you must have N bytes
> free"). The nearest that we can come up with is this: 1.9GB is just shy
> of 2^31 bits, so they must have something hardcoded into their
> application that can't address outside this range.
> 
> Anybody got a better explanation? My friends and I were just curious
> about this, that's all.
> 
> thanks,
> thomas
> 
> -- 
> N. Thomas
> nthomas at cise.ufl.edu
> Etiamsi occiderit me, in ipso sperabo

That program is probably really old and uses the old windows/system calls
which can't handle more then 2GB for a filesystem. Remember the times you
had a partition larger then 2GB and tried to install a program and the 
installer wouldn't let you because it thought there was negative free
space on the partition ?

-- 
Regards, Ulf.

---------------------------------------------------------------------
Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-865-0204
You can find my resume at: http://seven.Alameda.net/~ulf/resume.html



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