Q40633: SCREEN 4 Fails on Compaq Portable III

Article: Q40633
Product(s): See article
Version(s): 4.00b 4.50
Operating System(s): MS-DOS
Keyword(s): ENDUSER | B_BasicCom SR# S890116-25 | mspl13_basic
Last Modified: 12-DEC-1989

BASIC's SCREEN 4 is designed for the Olivetti/AT&T high-resolution
screen mode (640 x 400). This screen mode allows you to run programs
that utilize the special screen mode available on the Olivetti PC,
models M24, M28, M240, M280, and M380, and the AT&T PC 6300 Personal
Computer series.

This information applies to Microsoft QuickBASIC Versions 4.00b and
4.50, Microsoft BASIC Compiler Version 6.00b for MS-DOS and MS OS/2,
and Microsoft BASIC PDS Version 7.00 for MS-DOS and OS/2.

If you have one of the computers mentioned above, you can utilize the
640 x 400 resolution screen mode by using SCREEN 4. The computers
listed above are the only computers with which this mode was tested;
therefore, Microsoft cannot guarantee that the mode works correctly on
any other hardware configuration.

SCREEN 4 fails on the following hardware:

   Compaq III