System for a primary BIOS ROM recovery in a dual BIOS ROM computer system

A basic input-output memory recovery system for use on a computer, the system comprising:

• a first basic input-output system (BIOS) programmable memory containing a series of computer instructions to initialize the computer, said first BIOS programmable memory having a programming input and an enable input;
• an error detection circuit to analyze data contained in said first BIOS programmable memory and to detect errors therein, said error detection circuit generating an error signal upon detection of errors in said data;
• a second basic input-output system (BIOS) memory containing at least a portion of said series of computer instructions, said second BIOS memory having an enable input;
• an enabling circuit to disable said first BIOS programmable memory enable input and to enable said second BIOS memory chip enable input in response to said error signal;
• a random access memory to store computer instructions;
• a memory loader to copy said series of instructions from said second basic input-output system (BIOS) memory to said random access memory if said error detection circuit has generated said error signal;
• and
• a programming circuit to reprogram said first BIOS programmable memory with the contents of said random access memory if said error detection circuit has generated said error signal.