SCREEN 4 Fails on COMPAQ Portable III and Sharp Laptop (40633)

The information in this article applies to:

Microsoft QuickBASIC 4.0b
Microsoft QuickBASIC 4.5
Microsoft BASIC Compiler for MS-DOS and OS/2 6.0b
Microsoft Basic Professional Development System (PDS) for MS-DOS and MS OS/2 7.0

This article was previously published under Q40633

SUMMARY

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 4.0b and 4.5, Microsoft Basic Compiler version 6.0b for MS-DOS and MS OS/2, and Microsoft Basic PDS version 7.0 for MS-DOS and MS OS/2.

MORE INFORMATION

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
Sharp MZ-100 Laptop with AT&T compatible monochrome display, according to an unconfirmed report from a customer.

Modification Type:	Minor	Last Reviewed:	1/9/2003
Keywords:	KB40633