| Patent Number |
Title Of Patent |
Date Issued |
| 5410699 |
Apparatus and method for loading BIOS from a diskette in a personal computer system |
April 25, 1995 |
| An apparatus and method for loading BIOS from a diskette drive into a personal computer system normally connected to a hardfile, such as a fixed disk. The personal computer system further includes a system processor, a random access main memory, a read only memory and a switching means. |
| 5355489 |
Bios load for a personal computer system having a removable processor card |
October 11, 1994 |
| An apparatus for loading BIOS stored on a direct access storage device in a personal computer system, the system comprising direct access storage device, and a processor card removably mounted to a planar board. The processor card comprises a system processor and ROM memory, while the |
| 5210875 |
Initial BIOS load for a personal computer system |
May 11, 1993 |
| An apparatus and method for loading BIOS stored on a direct access storage device into a personal computer system. The personal computer system comprises a system processor, a system planar, a random access main memory, a read only memory, and at least one direct access storage device. |
| 5193161 |
Computer system having mode independent addressing |
March 9, 1993 |
| A computer system and method for operating a computer system capable of running in mutually incompatible real and protected addressing modes, in which programs written for one mode can be run in the other mode without modification. The BIOS assembles two different common data areas for t |
| 5136713 |
Apparatus and method for decreasing the memory requirements for BIOS in a personal computer syst |
August 4, 1992 |
| An apparatus and method for decreasing the memory requirements of BIOS in a personal computer system includes storing a first portion of BIOS in memory and a second portion on a direct storage access device. The personal computer system comprises a system processor, a random access m |
| 5063496 |
Signaling attempted transfer to protected entry point bios routine |
November 5, 1991 |
| A data processing system has a microprocessor, a memory system and a plurality of system devices the operation of which is controlled by BIOS routines. The BIOS routines are accessed through protected entry points. When an application program attempts to access one of the routines by |
| 5022077 |
Apparatus and method for preventing unauthorized access to BIOS in a personal computer system |
June 4, 1991 |
| An apparatus and method for protecting BIOS stored on a direct access storage device into a personnal computer system. The personal computer system comprises a system processor, a system planar, a random access main memory, a read only memory, a protection means and at least one direct |
| 4928237 |
Computer system having mode independent addressing |
May 22, 1990 |
| A computer system and method for operating a computer system capable of running in mutually incompatible real and protected addressing modes, in which programs written for one mode can be run in the other mode without modification. The operating system using BIOS assembles two different |
