[comp.sys.ibm.pc.hardware] EMS, High RAM with C&T chipset

fasciano@IRO.UMontreal.CA (Massimo Fasciano) (07/26/90)

Does anybody know a way to use EMS services and High Ram (for TSRs) 
without going into Virtual 8086 mode on a 386 ?

I've been told that boards based on a C&T chipset can do both...
Can anybody verify this? If so, what programs (Mem Manager) support
these features? (ShareWare, if possible, or not too expensive)


				Thanks in advance


--

Massimo Fasciano (fasciano@iro.umontreal.ca)

Kenneth.Whelan@f9.n391.z8.fidonet.org (Kenneth Whelan) (07/27/90)

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Kenneth.Whelan@f9.n391.z8.fidonet.org (Kenneth Whelan) (07/27/90)

-> MF>Does anybody know a way to use EMS services and High Ram (for
-> MF>TSRs)
-> MF>without going into Virtual 8086 mode on a 386 ?




I have used a program called Qemm386 that will change 386 extended memory
to expanded memory with it comes a utility that will load tsr's into the
expanded memory it seems to work well but takes a long time to get it
tweaked out in performance.  Qemm has a bad habit of taking all available
memory (and sometimes unavailable) and using it as expanded.   It will use
video memory and memory from the HD controller  both of which cause
problems.   YOu have to check and recheck and finally use several exlude
statements to get it to stop.    Hope this helps

Ken

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reisert@ricks.enet.dec.com (Jim Reisert) (07/28/90)

In article <63.26B08C8A@palace.fidonet.org>, Kenneth Whelan writes...
> 
>Qemm has a bad habit of taking all available
>memory (and sometimes unavailable) and using it as expanded.   It will use
>video memory and memory from the HD controller  both of which cause
>problems.

This is a little exagerated.  QEMM does a pretty good job of identifying
available and unavailable memory.  Some non-standard configurations confuse
it, and this is especially true of systems that use ROM shadowing.

Fortunately, QEMM also comes with Manifest, a memory-analysis tool which you
should run even *before* you install QEMM, just to make sure that there
aren't any hidden gotchas in your system.

jim

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