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1994-01-12
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ID:GT QEMM: General Troubleshooting
Quarterdeck Technical Note #241 Filename: TROUBLE.TEC
by Quarterdeck Testing & Compatibility CompuServe: TROUBL.TEC
Last revised: 8/10/93 Category: MIS
Subject: A general, efficient, and easy-to-follow guide for solving problems
involving QEMM, this technote provides "quick fixes" as well as
referencing other technical bulletins contaiing product-specific
information. Please refer to the Appendix of the QEMM manual for
information on obtaining these other technotes.
PRELIMINARIES:
IF YOUR PROBLEMS ARE RELATED TO: REFER TO OUR TECHNOTE:
Stacker STACKER3.TEC
SuperStor SSTOR.TEC
XtraDrive XTRADRV.TEC
DoubleDisk DBLDISK.TEC
DR-DOS 6 DRDOS6.TEC
Microsoft Windows WINFLOW.TEC
IBM PS/1 computer PS1.TEC
Unrecognized Microchannel Adapter MCA.TEC
PROTMAN.DOC (OR PROTMAN.SYS) PROTMAN.TEC and LANMAN.TEC
[LAN Manager (and some other networks) load this driver.]
Keyboard misbehavior IA.TEC
Pathworks/DECNET DECNET.TEC
XGA video XGA.TEC
IBM's PC Support for 5250 AS400.TEC
"Cannot find ROM handler for Int ??" XSTI.TEC
Exception 13 errors can occur for a wide variety of reasons, most of which are
addressed below. For a more detailed troubleshooting guide, refer to our
technote EX13FLOW.TEC; for a lengthy, highly technical explanation of the
causes of such errors, refer to EXCEPT13.TEC.
BASIC TROUBLESHOOTING:
In your CONFIG.SYS file is a line that reads:
DEVICE=C:\QEMM\QEMM386.SYS [parameters]
Steps 1-6 in this technote involve editing the [parameters] on this line, and
nothing else. Every time you change the parameters on this line, you must
reboot your computer for them to take effect.
1) Remove QEMM by placing the word "rem" before the word "device" on this
line and rebooting your system. If this does not solve your problem, QEMM
is not involved. If this does solve your problem, remove the "rem".
2) If there is a Stealth parameter ("ST:M" or "ST:F"), remove it and rerun
Optimize. When Optimize completes, try to recreate the problem. If
removing the Stealth parameter solves your problem, get the technote
STEALTH.TEC and follow its instructions.
3) Add the parameter "DB=2" to this line and reboot. If this solves your
problem, see technote BUS-MAST.TEC for an explanation.
4) Add the parameter "X=A000-FFFF" to this line and reboot. If this solves
your problem, get the technote "EXCLUDE.TEC" and follow its instructions.
5) Remove all the parameters on the QEMM386.SYS line. If you are using QEMM
version 7.0 add the following ALL ON THE SAME LINE:
DB=2 DMA=128 IOTRAP=64 LD FILL:N CF:N VDS:N MR:N RH:N SH:N TM:N
TR:N XBDA:N UX ON
If you are using an earlier version of QEMM, use the following:
DB=2 DMA=128 IA IOTRAP=64 NO LD NCF NOVDS NR NRH NOSH NS NT NTR NX UX ON
then reboot. If this set of parameters solves your problem, consult the
manual for an explanation of these parameters. All of these parameters,
even taken together, do not seriously handicap the usefulness of QEMM.
Together they cause QEMM to use only 2K more conventional memory, 116K
more extended memory, and will not cause QEMM to be any slower. You can
find the one(s) you need by eliminating them, one at a time.
6) If you are still experiencing the problem, add the parameter EMS:N
(for QEMM 7 systems) or NOEMS (earlier versions) and reboot. If
this solves your problem, some program that uses expanded memory is
probably misbehaving, as this parameter tells QEMM not to provide EMS
(expanded memory). Go to step 7 and check to see if the other program
you are trying to run uses EMS.
7) Rename your AUTOEXEC.BAT to TEST.BAT. Make a backup copy of your old
CONFIG.SYS by typing:
COPY CONFIG.SYS CONFIG.XXX
Edit your CONFIG.SYS so that it contains ONLY the QEMM line and the line
"FILES=40". (If you need some other driver in order to boot your
computer, such as a driver for a hard drive, that line should be left in,
also.) Now reboot your computer. If this solves the problem, restore
your old CONFIG.SYS and AUTOEXEC.BAT files one line at a time to find out
what other program is causing your problem.
8) If you are not able to solve your problem using these techniques and
referenced technical bulletins, contact Technical Support by voice
(310-392-9701), FAX (310-314-3217) or our Technical Support BBS
(310-314-3227). If you have solved your problem but are unsure of
the consequences of using the parameters needed to solve it, you may
want to contact Technical Support for further information.
If you are using QEMM version 7.0 you will find many of these technical
notes in your QEMM\TECHNOTE subdirectory. If you are using an earlier
version, they can be obtained from the Quarterdeck BBS (310-314-3227),
by calling QFAX (our automated FAX-back service, at 310-314-3214), on
Compuserve (go QUARTERDECK, library 2), or BIX. Many technotes are also
available on large local BBSs, often in "DESQview" or "multitasking"
file areas.
Quarterdeck BBS QFAX# Compuserve BIX
--------------- ----- ---------- ---
STEALTH.TEC 205 STEALT.ZIP Technote
XSTI.TEC 233 XSTI.TEC names are
EXCLUDE.TEC 219 EXCLUD.TEC not
BUS-MAST.TEC 121 BUSMAS.TEC changed
MCA.TEC 223 MCA.TEC for BIX,
WINFLOW.TEC 207 WINFLO.ZIP but may
EXCEPT13.TEC 142 EXCP13.ZIP be
EX13FLOW.TEC 232 X13FL.ZIP ZIPped.
PS1.TEC 234 PS1.TEC
LANMAN.TEC 258 LANMAN.TEC
PROTMAN.TEC 183 PROTMN.TEC
IA.TEC 221 IA.TEC
XGA.TEC 208 XGA.ZIP
DECNET.TEC 220 DECNET.TEC
AS400.TEC 212 AS400.TEC
STACKER3.TEC 104 STAC3.ZIP
SSTOR.TEC 249 SSTOR.ZIP
XTRADRV.TEC 199 XTRADR.TEC
DBLDISK.TEC 218 DBLDSK.TEC
**********************************************************************************
* This technical note may be copied and distributed freely as long as it *
* is distributed in its entirety and it is not distributed for profit. *
* Copyright (C) 1993 by Quarterdeck Office Systems *
************************** E N D O F F I L E *****************************