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FusionServer G5500 Server G560 V5 Compute Node User Guide 03

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).


The basic input/output system (BIOS) is the most basic software loaded to a computer hardware system. It serves as an abstraction layer between the computer hardware and the operating system (OS), and is used to perform hardware initialization during the boot process and provide runtime services for the OS and programs. Figure 8-1 shows the BIOS position in the system.

The BIOS data is stored on the Serial Peripheral Interface (SPI) flash memory. The BIOS performs a power-on self-test (POST), initializes CPUs and memory, checks the I/O and boot device, and finally boots the OS. The BIOS also provides functions such as advanced configuration and power interface (ACPI) for advanced power management, and hot swap.

The Huawei Purley-based BIOS supports UEFI 2.6.

The Huawei proprietary BIOS is developed based on Insyde code base for Purley platform. In addition to an array of in-band and out-of-band configuration functions, the BIOS can be easily customized to a variety of setups and provides high scalability.

Figure 8-1 BIOS position in the system

For details, see the Huawei Server Purley Platform BIOS Parameter Reference.

Updated: 2018-12-14

Document ID: EDOC1100031433

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