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QEMM: General Troubleshooting
This QEMM 7 technote is an abridged version of a technical
bulletin that is available through our standard support channels.
The information contained in this version pertains ONLY to QEMM
version 7.0. If you need information relating to earlier versions
of QEMM you can obtain the unabridged version from the following
sources:
Quarterdeck Technical Support BBS: TROUBLE.TEC
CompuServe: TROUBL.TEC
Q/FAX: #241
Subject: A general, easy-to-follow, and efficient guide to
troubleshooting problems with QEMM 7.0.
This is a very general guide to troubleshooting QEMM, and
provides either quick fixes or references for additional
information. See the Appendix for information on obtaining
technical bulletins discussed in this document.
PLEASE NOTE: The information contained in this technical
bulletin pertains ONLY to QEMM version 7.0. If you require
information relating to earlier versions of QEMM, you should
obtain the longer, unabridged version through our standard
support channels.
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,
almost all of which are addressed here. If you wish to learn
more about the causes of Exception 13 errors, refer to the
technote EXCEPT13.TEC; for detailed troubleshooting, refer to
EX13FLOW.TEC.
There is a line in your CONFIG.SYS 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 re-boot your computer for them
to take effect.
1) Remove QEMM by placing the word "rem" before the word
"device" on this line; re-boot. 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 reboot. If this solves your problem, refer to our technote
STEALTH.TEC and follow its instructions.
3) Add the parameter "DB=2" to this line and re-boot. If this
solves your problem, refer to our technote BUS-MAST.TEC for an
explanation.
4) Add the parameter "X=A000-FFFF" to this line and re-boot. If
this solves your problem, refer to our technote "EXCLUDE.TEC" and
follow its instructions.
5) Remove all the parameters on the QEMM386.SYS line. 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
TR:N XBDA:N UX ON
then reboot. If this set of parameters solves your problem,
consult the manual for an explanation of the meaning of these
parameters. All of these parameters, even taken together, do not
seriously handicap the usefulness of QEMM. All 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 and re-boot. If this solves your problem, some program that
uses expanded memory is probably misbehaving, since this
parameter causes QEMM to cease providing expanded memory. Go to
step 7, and check to see if the other program involved 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
"FILES=40", then 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.
APPENDIX
Many of the technical bulletins discussed in this document were
installed in your QEMM\TECHNOTE directory when you installed QEMM
7.0. Those which are not included with QEMM 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) 1992-93 by Quarterdeck Office Systems
****************** E N D O F F I L E ***********************