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AST RESEARCH TECHNICAL BULLETIN TB-0228 09/18/86 3G FAMILY COMPATIBILITY WITH STSC APL*PLUS SOFTWARE Configuration: IBM PC-AT (8 MHz) with 512 KB 30 MB FXD 3 MB Advantage! 3GPLUS/PAK/Model 1 IBM 5154 EGA Display/ IBM 5153 CGA Display Software: STSC APL*PLUS Release 5.2 with EGA support. Results: The software was installed using the three normal installation diskettes and the special EGA diskette. There may be some confusion during the installation, because there are two diskettes labeled "Disk 1" (one of which is the special EGA diskette), and both must be installed to properly use an EGA adapter. If the user follows the instructions that are supplied with the EGA diskette, there will not be any problem. In order to execute the APL*PLUS program, the user MUST set up the EGA environment for proper program execution. This is accomplished by executing a .COM program provided on the EGA special disk. For example, if the user has an EGA monitor connected to the 3G board, then he must execute the program ECDCHAR.COM prior to running APL*PLUS. 3GPLUS and 3GPAK APL*PLUS PASSED testing without problem with the 3GPLUS/PAK with both an EGA and a CGA monitor. 3G Model 1 APL*PLUS FAILED with both monitors. Failure occurs after executing either ECDCHAR.COM or CLRnCHAR.COM to initialize the working environment. With an EGA monitor, all text disappears after running ECDCHAR. You have to cold boot to continue. With a CGA monitor, garbage is displayed on the screen and a cold boot is necessary to continue.