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Article #2390

WIN 3.0 and protected mode

#2390
From: Chima Echeruo
Date: Fri, 25 May 1990 16:51
28 lines
1953 bytes
I have used windows /286 and found it's tasking of DOS programs to be 
wretched compared to WIN 386. I am told that WIN /386 does that by using the
virtual 86 mode (not the 32 bit protected mode). The new windows 3.0 claims to
run under the protected mode of the 286 processor. I would like to know if it
runs completely in protected mode and if it multitasks programs using the full
powers of "protected mode" including virtualization of memory/screen, memory
protection, 16MB of address space, virtual memory (386), HUGE segments (386),
memory protection and task management (286 & 386).

It is my impression that even though users will sufer from being unable to run
the average DOS program, owners of 286 systems can finally make use of all
those features of the 286 which no DOS operating enviroment exploit. OS/2
claims to multitask but it requires too much hardware investment and it has
NO compatibility with existing DOS programming princples. Will it be possible
for plain DOS programs to multitask  under 286 prot-mode if the authors make
trivial changes to their source code - stop findling with segments etc..

How does the 386 Enhanced mode version of WIN 3.0 work? Does it still cling to
16 bit pointers and segments? How does it fare performance-wise with OS/2?

Does microsoft have any plans to introduce a version of BASIC for windows?
I hope they do. 

-------------
Chima Echeruo
sl197009@silver.ucs.indiana.edu 
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From: sl197009@silver.ucs.indiana.edu (Chima Echeruo)
Newsgroups: comp.windows.ms
Subject: WIN 3.0 and protected mode
Keywords: protected mode,windows 3.0,OS/2
Message-ID: <45811@iuvax.cs.indiana.edu>
Date: 25 May 90 16:51:11 GMT
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Distribution: comp.windows.ms
Lines: 28