User manual GAMES PC OBSCURE

[. . . ] Consult the documentation and software that came with your video card on the loading of the driver or contact your video card manufacturer. PROTECTED MODE IBM computers that have the 80286 microprocessor (or higher) have the ability to switch between two operating modes; REAL and PROTECTED. Applications that run under REAL mode can only address up to 1 MB of memory, while PROTECTED mode can access far more memory using the memory-management features. Standard DOS applications normally will run in REAL mode only. However, DOS-extended programs will be able to run in PROTECTED mode, as well as programs written for protected mode operating systems. [. . . ] IMPORTANT: To create a DOS boot disk you will need a blank disk the same size as your A: drive. Note: If you are formatting low density disks on a high density drive, use the following commands in place of step 3: 5. 25" low density disk: Type format a:/s /n:9 /t:40 and press ENTER. 3. 5" low density disk: Type format a:/s /n:9 /t:80 and press ENTER. You will be prompted to insert a blank disk into drive A:. Do so if you haven't already, and press ENTER. Once the disk is finished formatting, you will be asked to label (name) the disk. Type in a label or press ENTER for no label. You will now be asked whether you wish to format another disk. This boot disk completely bypasses the autoexec. bat and config. sys on your hard drive and starts up your computer in as clean a DOS environment as possible. FREEING UP ADDITIONAL MEMORY USING THE DOS BOOT DISK: Users WITHOUT a memory manager: It is not possible to free up much more base memory without using a memory manager, which allows one to access Expanded Memory (EMS) or Extended Memory (XMS). Most memory ambitious games require Expanded Memory (EMS) while Windows usually uses Extended Memory (XMS). After completing the procedure below, use the MEM command to verify that "largest executable program size, " and "bytes free EMS memory, " meet the requirements in the System Requirements section of the manual. To start up your machine using the DOS boot disk: 1. This information should already be included after the MSCDEX. EXE driver in the AUTOEXEC. BAT file you have just copied. For additional information regarding the installation and setup of your CD-ROM player, please consult your CD-ROM documentation. The mouse driver is normally located in one of the following directories: C:\MOUSE, C:\WINDOWS, C:\ or C:\DOS. If you do not have a line that loads your mouse driver, you must load a mouse driver before running your program. Example: LH C:\MOUSE\MOUSE. COM NOTE: Your mouse line may be different if you are NOT using the MOUSE. COM mouse driver. Do not change this line if it looks different. Drivers that have a . SYS extension will be loaded through the CONFIG. SYS file and you should leave that line the same when you are editing the CONFIG. SYS file. If you have other questions about loading your particular mouse driver, consult your mouse documentation or DOS manuals. Save the edited AUTOEXEC. BAT file and open the Boot Disk copy of the CONFIG. SYS file from within EDIT. To save, press Alt-F to bring down the File menu and press the "S" key. To open, press Alt-F, press the "O" key and then type "A:\CONFIG. SYS" and press the ENTER key. 6. [. . . ] Type C: and press ENTER to return to your hard drive. For more information on editing your CONFIG. SYS and AUTOEXEC. BAT files, or on changing your startup configuration, consult your DOS manual. TECHNICAL SUPPORT If you have questions about the program, our Technical Support Department can help. If your question isn't urgent, please write to us at: Electronic Arts Technical Support P. O. Box 7578 San Mateo, CA 94403-7578 Please be sure to include the following information in your letter: · Product name · Type of computer you own · Amount of and configuration of memory. [. . . ]