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Article #11995Why can't I use 640x480x256 mode
From: Gunjan Bhow
Date: Sun, 19 May 1991 09:00
Date: Sun, 19 May 1991 09:00
46 lines
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2365 bytes
I have a Western Digital VGA with the Paradise chipset alongwith
the following configuration:
386SX motherboard
2 MB RAm
1024x768 monitor
I run Windows 3.0 in 386 Enh mode.
Till now, I was running 800x600x16 resolution. (my vga has 256K memory)
and using the "win3_16f.exe" driver from cica. No problem so far.
I read somewhere that with 256k, i can also use the 640x480x256 resolution.
Since I had lots of .bmp files in this resolution and they looked much nicer
than their dithered 800x600x16 counterparts, i decided to give this new
resolution a try.
I loaded the "win3_256.exe" file from cica and extracted it. From
Setup, I had two choices, 640 x 400 x 256 and 640 x 480 x 256. I chose
the 640x480. After I exited setup and ran win, two things happened.
First, after the inital banner, my hard disk light was on for a long time.
I expected this since the driver I was using before was a "fast" kind.
Second, and more important, I could not see anything even after my hard disk
stopped ( not even the hourglass). I assumed windows was loaded and exited it
by Alt+F+X and I was back to dos.
Again from setup, I tried the other choice, 640x400x256 and to my surprise,
everything worked fine. Although the loading was still slower, I could use
my 640x480x256 bitmaps (of course, at a loss of the 80 pixels).
One more thing, when I use the grafwk51.zip (graphics workshop) which is
a non-windows utility with the Paradise plus driver it comes with
(PARAPLUS.DRV), I AM able to use 640x480x256 pictures.
Any ideas why I can't use the 640x480x256 resolution in Windows? Do I need
extra memory just for Windows sincw dos apps have no problem?
Thanks for any suggestions.
Gunjan Bhow
gunjan@garnet.berkeley.edu
Instructional Technology Program
UC Berkeley
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!ucbvax!agate!garnet.berkeley.edu!gunjan From: gunjan@garnet.berkeley.edu (Gunjan Bhow) Newsgroups: comp.windows.ms Subject: Why can't I use 640x480x256 mode Message-ID: <1991May19.090016.15758@agate.berkeley.edu> Date: 19 May 91 09:00:16 GMT Sender: root@agate.berkeley.edu (Charlie Root) Organization: University of California, Berkeley Lines: 46 Originator: gunjan@garnet.berkeley.edu