STACKER NOTE Stac Electronics Technical Note Subject: QEMM386 Optimize and Stacker 2.0 Tech030 - 3/06/92 2 Pages _______________________________________________________________________ If you are a STACKER 2.0 user with an SSWAPped boot drive, you can now OPTIMIZE with a minimal amount of effort using an upgraded SSWAP.COM. This file is available on Compuserve, the STAC BBS, and by mail through STAC technical support. The upgraded SSWAP handles the many changes OPTIMIZE makes "on the fly". It works with QEMM 5.XX as well as the latest version of QEMM 6. Just copy SSWAP.COM to the STACKER directory in the C: drive as well as the STACKER directory on the SSWAPed host drive. You can determine the host drive letter by typing: STACKER at the command line. You must also use the /SYNC parameter on the SSWAP device line in Config.sys. For example: DEVICE=C:\STACKER\SSWAP.COM C:\STACVOL.DSK /SYNC *Stacker 2.0, /EMS, and the QEMM 6 STEALTH option: If Stacker is using EMS and you choose to use QEMM's STEALTH option, you must include the DBF=2 parameter on the QEMM device line in Config.sys. For example: DEVICE=C:\QEMM\QEMM386.SYS RAM ST:M DBF=2 Note for QEMM 6.00 and 6.01 users: If you OPTIMIZE with the SSWAP upgrade and Stacker is using EMS, you will need to follow ONE of the simple procedure below. This is because a conflict occurs when ANY two or more programs, which OPTIMIZE attempts to load high, access EMS memory during the OPTIMIZE process. NOTE: Both procedures assume that SSWAP.COM has already been copied to both STACKER directories. These procedures are not required for QEMM 5.x, and 6.02 or later. Procedure 1: A) Run OPTIMIZE as you normally would. It will lock up during its final reboot. B) Power down the system, then power back up. C) Clean up by running QEMM's UNOPT.BAT which should be in the QEMM subdirectory on both the compressed and uncompressed drives. D) Run OPTIMIZE again. This time it should work without incident. Procedure 2: A) Create a text file (using SEDIT) called OPTIMIZE.EXC. (NOTE the EXC extension stands for "exceptions". This file lists those device drivers and programs which OPTIMIZE should not attempt to load high.) This file should be placed in the QEMM subdirectory on both the uncompressed and compressed drives. In most cases it's sole contents should be the following text: SSWAP.COM However, any other CONFIG.SYS and AUTOEXEC.BAT device drivers and programs which access EMS memory (execpt for STACKER.COM) should also be listed in this file, each on its own line. B) Run OPTIMIZE. ------------------------------------------------------------------------------- 1992 STAC Electronics