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- Newsgroups: comp.os.os2.misc
- Path: sparky!uunet!usc!zaphod.mps.ohio-state.edu!swrinde!cs.utexas.edu!asuvax!chnews!hfglobe!bharris
- From: bharris@hfglobe.intel.com (Bennie Harris)
- Subject: Re: SVGA questions
- Message-ID: <BzFK22.Ins@hfglobe.intel.com>
- Organization: Intel Corporation
- References: <19879@ucdavis.ucdavis.edu> <1992Dec16.222141.22587@midway.uchicago.edu>
- Date: Fri, 18 Dec 1992 00:58:49 GMT
- Lines: 54
-
- sip1@ellis.uchicago.edu (Timothy F. Sipples) writes:
-
- >In article <19879@ucdavis.ucdavis.edu> phil@venus.engr.ucdavis.edu (Phillip W. Wong) writes:
- >>First the background... I was running at 1024x768x256 using the
- >>SP's ET4000 drivers. However, when I tried to run Word 4.0 and
- >>MS Works windowed, the error message said that the resolution
- >>requested was not available. (Any one know why?) Anyway, so I
-
- >When you try and run certain applications in a window (which require
- >certain video modes, particularly 256 color SuperVGA modes), OS/2 is
- >unable to virtualize them (and may suspend the program). They do,
- >however, run full screen. That's mainly a shortcoming of the PC
- >architecture (and SuperVGA specifically).
-
- >>then used Selective Install to try to downgrade the video to
- >>800x600x256 (which used to work). After grinding through the
- >>disks, it hung! I tried to reboot, and did, but when OS/2 came
- >>up, a blank screen, nothing. So, using the 3 disk emergency
- >>method, I managed to gain access to the OS/2 HPFS disk. It seems
- >>that when the system hung, it killed the svgadata.pmi file (it
- >>was zero length). Now come the questions...
- >>1] It seems to me, that the lack of the pmi file caused the video
- >>to come up blank. Am I correct in this assumption?
-
- >Yes, it is likely.
-
- >>2] If so, how would one regenerate such a pmi file? I tried SVGA
- >>ON under regular DOS5.0 and it said it could not recoginize my
- >>video card (ProDesigner IIs).
-
- >SVGA ON DOS should work. It will generate a SVGADATA.DOS file, which
- >you can copy over as SVGADATA.PMI.
-
- >>3] If I can't generate a new pmi file in an emergency, is there
- >>a way to force OS/2 to use regular VGA so at least I could bring
- >>the system up and use the Selective Install to undo my own
- >>damage?
-
- >I'll let someone else suggest a method -- I'm not yet completely
- >familiar with the new SuperVGA driver support methods.
-
- I don't use SuperVGA but if I found myself in this situation
- I would make a backup copy of the good SVGADATA.PMI file so
- that it could be restored if it get trashed. Just copy the
- backed up copy as SVGADATA.PMI. You may have to bootup from
- floppy before doing the copy.
-
- -- Bennie Harris
-
- >--
- >Timothy F. Sipples | Read the OS/2 FAQ List 2.0h, available from
- >sip1@ellis.uchicago.edu | 128.123.35.151, anonymous ftp, in /pub/os2/all/info
- >Dept. of Econ., Univ. | /faq, or from LISTSERV@BLEKUL11.BITNET (send "HELP")
- >of Chicago, 60637 | [Read the List, THEN post to ONE OS/2 newsgroup.]
-