This article was previously published under Q81348
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You can use the CMOS system Setup program on a CompuAdd 386 to set optionsuseful in troubleshooting possible problems when running Microsoft Windows.
Functions that can be changed include the setting for shadow RAM and theprotected mode operation of the 80386 microprocessor.
To activate the CMOS Setup program, press CTRL+ALT+ESC after the machineboots.
The CompuAdd 386 can shadow the system BIOS and video BIOS in fast32-bit RAM. You may want to temporarily disable this feature to testwith Windows or to regain a small amount of memory for programs.
For example, if the system needs expanded memory for applications, butit cannot set the page frame in the upper memory area, then a goodapproach is to disable the system and video BIOS settings individuallyto troubleshoot this kind of problem.
CompuAdd 386 Models 316S or 320S
If you have a CompuAdd 386 model 316S, you may receive the following errormessage:
Cannot run Windows in <x> mode with currently installed protect mode software
where <x> is standard or enhanced. This message may appear even thoughnothing is being loaded in the CONFIG.SYS or AUTOEXEC.BAT file.
The CMOS Setup program for the CompuAdd 386 model 316S shifts the processorinto protected mode if the "XFEATS" (Extra Features) option is enabled.This feature needs to be disabled to run Windows in standard or enhancedmode.
Please contact the manufacturer for an explanation of the Extra Features(XFEATS) option and for further assistance in using the CMOS system Setupprogram.
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