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-
-
- STAC ELECTRONICS
- TECHNICAL SUPPORT BULLETIN
-
- NUMBER: 018
- SUBJECT: WINDOW3.0
-
- DATE: September 18, 1991
- TIME:
-
- SOURCE: Tech Support, Engineering, User's Manual
- SUPERCEDES/ TECH003 Dated 4/14/1991
- SUPERCEDED BY:
- RELEASE STATUS: Public
-
- TITLE:
- WINDOWS 3.0 in enhanced mode and STACKER
-
- OVERVIEW:
- WINDOWS is a memory-intensive program. It can be run in enhanced mode to
- take advantage of extended memory, and such operation is compatible with
- STACKER.
-
- ISSUES/COMMENTS:
- 1) When the XT/8 coprocessor board is present, its address range must be
- excluded in the WINDOWS SYSTEM.INI file. Overlooking this step can
- lead to corruption of the Windows directory. Omitting the EMMExclude
- can also lead to "Insufficient Memory" errors when launching Windows
- programs.
- Use of the AT/16 coprocessor presents no such problems.
-
- 2) Permanent swap files cannot reside on the STACKER volume; (Windows
- does not present it as an option).
-
- 3) Temporary swap files should also reside on the uncompressed drive.
-
- 4) With third party (non-Microsoft) memory managers, certain files
- must exist in the identical directory paths on both the compressed
- Stacker drive and in the uncompressed boot drive.
-
- 386MAX BLUEMAX QEMM386
- ----------- ------------ ------------
- 386MAX.SYS BLUEMAX.SYS QEMM386.SYS
- 386LOAD.SYS 385LOAD.SYS LOADHI.SYS
- 386MAX.VXD BLUEMAX.VXD WINHIRAM.VXD
-
- RECOMMENDED ACTIONS:
- 1) If WINDOWS is run in enhanced mode AND the XT/8 coprocessor board is
- installed, add an EMMExclude statement to WINDOWS\SYSTEM.INI under the
- heading [386ENH] (see User's Manual, "Microsoft Windows 3.0 in 386
- Enhanced Mode Users"). This should be done BEFORE WINDOWS is loaded,
- and can be accomplished using any text editor. (If the coprocessor is
- disabled, SYSTEM.INI may be modified using NOTEPAD.)
-
- 2) If a permanent swap file will be part of the configuration, leave
- sufficient uncompressed space on the host volume. If there is not
- enough uncompressed space and you have Stacker version 2.0 or greater,
- use SDEFRAG to physically shrink the STACVOL file.
- If you are using version 1.12 or lower,the STACKER volume must be
- SREMOVEd, and a smaller one created.
-
- 3) Temporary swap files left on the uncompressed drive will not cause
- fragmentation in the STACKER volume.
-
- 4) If the STACKER volume becomes corrupted or write-protected due to an
- interrupted 386-enhanced session:
- a) verify that STACKER coprocessor card address has been excluded in
- SYSTEM.INI;
- b) run SCHECK/F on the STACKER volume;
- c) delete the WIN386.SWP (temporary swap) file;
- d) run SCHECK/F again;
- e) reboot before writing anything to disk.
-