# US 2013/0159770 A1 · System and method for acquiring basic input/output system debug codes

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- Number: US 2013/0159770 A1
- Document ID: US20130159770A1
- Status: Published application
- Kind: A1
- Application number: 13/406,543
- Filed: 2012-02-28
- Published: 2013-06-20
- Earliest claimed: 2011-12-20
- Assignees: Hon Hai Precision Industry Co., Ltd.; HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
- Inventors: ZHENG-XIN GAO
- Web page: https://patentgrep.com/patent/US20130159770A1

## CPC

- G06F 11/2284: {by power-on test, e.g. power-on self test [POST]}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

A system is used for acquiring Basic Input/Output System (BIOS) debug codes. The system includes a platform controller hub (PCH), a storage chip, and a baseboard management controller (BMC). The PCH reads power-on self tests (POST) codes from an address port of a bus, and converts the POST codes to binary data and stores the binary data in the storage chip. The BMC reads the binary data stored in the storage chip and defines the binary data as virtual sensor data, which conform with threshold type data, and decodes the virtual sensor data to POST codes and controls a display unit to display the POST codes.

## Claims

### Claim 1

A system for acquiring Basic Input/Output System (BIOS) debug codes, comprising:
a platform controller hub (PCH) with an interface, to read power-on self tests (POST) codes from an address port of a bus of a computer through the interface and convert the POST codes to binary data;
a storage chip to store the binary data;
a baseboard management controller (BMC) to read the binary data stored in the storage chip and define the binary data as virtual sensor data, which conform with threshold type data, and decode the virtual sensor data to POST codes; and
a display unit controlled by the BMC to display the POST codes.

### Claim 2

A method for acquiring Basic Input/Output System (BIOS) debug codes, comprising:
starting up a computer, and reading power-on self tests (POST) codes from an address port of a bus of the computer through a platform controller hub (PCH);
converting the POST codes to binary data through the PCH;
storing the binary data in a storage chip through the PCH;
reading the binary data stored in the storage chip and defining the binary data as virtual sensor data, which conforms with threshold type data, through a baseboard management controller (BMC);
decoding the virtual sensor data to POST codes through the BMC; and
displaying the POST codes through a display unit.