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Device Driver for Displaying a Logo on a Personal Computer Monitor

IP.com Disclosure Number: IPCOM000040459D
Original Publication Date: 1987-Nov-01
Included in the Prior Art Database: 2005-Feb-02
Document File: 1 page(s) / 12K

Publishing Venue

IBM

Related People

Bertram, RD: AUTHOR

Abstract

A logo screen is displayed on a Personal Computer (PC) monitor as soon as possible after power-on-reset (POR) through the use of a device driver, which is a program on a disk that is installed in a random- access memory (RAM) of the PC by DOS. The logo screen is displayed before the DOS causes the display of messages from other device drivers or from an AUTOEXEC.BAT file, which contains a list of commands to be executed upon POR. When an operator turns on or reboots a PC system, the logo screen is displayed on the PC monitor as soon as possible by having the logo display program as the first device driver installed in the RAM of the PC.

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Device Driver for Displaying a Logo on a Personal Computer Monitor

A logo screen is displayed on a Personal Computer (PC) monitor as soon as possible after power-on-reset (POR) through the use of a device driver, which is a program on a disk that is installed in a random- access memory (RAM) of the PC by DOS. The logo screen is displayed before the DOS causes the display of messages from other device drivers or from an AUTOEXEC.BAT file, which contains a list of commands to be executed upon POR. When an operator turns on or reboots a PC system, the logo screen is displayed on the PC monitor as soon as possible by having the logo display program as the first device driver installed in the RAM of the PC. This not only causes the logo screen to be displayed as soon as possible, but it also hides the messages from any other device drivers, which are normally used to support external devices such as virtual disks, disk drives, and emulator interfaces (these enable the PC to talk to a host computer). Because all of the device drivers are loaded before the AUTOEXEC.BAT file is processed, the logo display program also can prevent any normally displayed initial command of the AUTOEXEC.BAT file from being displayed until desired. The messages are hidden by setting aside several blank lines of the logo screen in which the foreground and background colors are the same so that any character written in these blank lines cannot be viewed. This is where DOS writes the messages f...