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echo: os2dos
to: JONATHAN DE BOYNE POLLAR
from: DAVID NOON
date: 1997-02-23 15:49:00
subject: DPMI parameters

On Friday, 97/02/21, Jonathan de Boyne Pollard wrote to George White
about "Genealogy Program Proble" as follows:
JP>  GW> "The DOS/4GW virtual memory manager (VMM), included in the package, 
is
JP>  GW> restricted to 32MB memory."
JP> 
JP> Remember that VMM and its limitations are not relevant to 
JP> the operation of DOS4G/DOS4GW in an OS/2 Virtual DOS 
JP> Machine because OS/2 provides the DPMI services (including 
JP> virtual memory).
Hi Jonathan,
The VMM inside a VDM is not the reason I suggested 32MB. I suggested
this value because all DOS/4GW programs that will run under real mode
DOS [switched to DPMI] will also run in a VDM provided DPMI_DOS_API is
ENABLED and DPMI_MEMORY_LIMIT is 32 or more -- unless they do something
else that causes them to crash.
John's genealogy program appears to be doing the latter, i.e.
something else that is causing it to crash.
Regards
Dave

 * KWQ/2 1.2i * Sure, when... OINK FLAP, OINK FLAP... Well, I'll be damned.
--- Maximus/2 3.01
---------------
* Origin: DoNoR/2,Woking UK (44-1483-725167) (2:440/4)

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