Apparatus for recovering BIOS in computer system

• US 20060026462A1
• Filed: 04/27/2005
• Published: 02/02/2006
• Est. Priority Date: 07/07/2004
• Status: Abandoned Application

• Current Assignee: Hon Hai Precision Industry Co., Ltd.
• Original Assignee: Hon Hai Precision Industry Co., Ltd.
• Inventors: Zhang, Su-Shun, Pu, Ke
• Application Number:
  US11/115,709
• Publication Number:
  US 20060026462A1
• Time in Patent Office: Days
• US Class Current: 714/36
• CPC Class Codes: G06F 8/65 Updates security arrangements therefor G06F21/57

Abstract

A basic input-output system (BIOS) online burning system comprises a burning machine (100), a BIOS online burning card (200), a motherboard (300) and a corrupted BIOS (380) attached on the motherboard. The BIOS online burning card is connected between the burning machine and the corrupted BIOS. The BIOS online burning card comprises a serial communication circuit (220), a first buffer (272) working all the time, a second buffer (274), a third buffer (276), a single chip (260) controlling the working schedule to make the second buffer and the third buffer time-sharing work, a mother BIOS (280) and a connector (290) connected with the corrupted BIOS. The serial communication circuit is connected with the burning machine. The single chip, the first buffer, the mother BIOS and the third buffer together compose a loop. The single chip, the first buffer, the corrupted BIOS and the second buffer together compose another loop.

Claims

1. A basic input-output system (BIOS) burning card for updating a corrupted BIOS on a motherboard comprising:

a power-supply circuit;

a first buffer working all the time;

a second buffer;

a third buffer,;

a single chip controlling a working schedule to make the second buffer and the third buffer time-sharing work;

a mother BIOS; and

a connector connected with the corrupted BIOS;

wherein the single chip, the first buffer, the mother BIOS and the third buffer together compose a loop, the single chip, the first buffer, the corrupted BIOS and the second buffer together compose another loop.

2. The BIOS burning card as described in claim 1, wherein the motherboard is connected with the BIOS online burning card via a plurality of probes.

3. The BIOS burning card as described in claim 1, wherein a voltage control unit is connected between the BIOS online burning card and the motherboard.

4. The BIOS burning card as described in claim 1, wherein the single chip executes a hardware control through a windog circuit to reset the computer system.

5. A basic input-output system (BIOS) online burning system comprising:

a burning machine;

a BIOS online burning card;

a motherboard; and

a corrupted BIOS attached on the motherboard;

wherein the BIOS online burning card is connected between the burning machine and the corrupted BIOS.

6. The BIOS online burning system as described in claim 5, wherein the BIOS online burning card comprises a serial communication circuit connected with the burning machine, a first buffer working all the time, a second buffer, a third buffer, a single chip controlling the working schedule to make the second buffer and the third buffer time-sharing work, a mother BIOS and a connector connected with the corrupted BIOS, wherein the single chip, the first buffer, the mother BIOS and the third buffer together compose a loop, the single chip, the first buffer, the corrupted BIOS and the second buffer together compose another loop.

7. The BIOS online burning system as described in claim 5, wherein the BIOS online burning card further comprises a RST circuit that is connected to the single chip.

8. The BIOS online burning system as described in claim 5, wherein the burning machine is a host computer.

9. The BIOS online burning system as described in claim 5, wherein the power of the BIOS online burning card and the motherboard is provided by a motherboard power of the burning machine.

10. The BIOS online burning system as described in claim 9, wherein a voltage control unit is connected between the motherboard power and the motherboard.

11. The BIOS online burning system as described in claim 5, wherein the motherboard is connected with the BIOS online burning card via a plurality of probes.

12. A method for updating content of a basic input-output system (BIOS) of a motherboard, comprising the steps of:

installing said motherboard to a burning machine;

electrically connecting said motherboard with said burning machine via a control interface;

retrieving a barcode of said motherboard from said motherboard;

updating said content of said BIOS of said motherboard via said burning machine under control of said control interface; and

verifying results of said updating step.

13. The method as described in claim 12, wherein said control interface defines two different control loops to retrieve information from said motherboard and said burning machine respectively and perform said updating step.

14. The method as described in claim 13, wherein at least one buffer of said control interface is commonly usable by said two control loops.