By: Alexander Bergmann

June 27, 2018 1:31 pm


Secure Boot Network Installation

1. Preboot Execution Environment (PXE) We have to start with the standard PXE setup that is used for decades for disk-less client bootstrapping. The client requests an IP address and gets it together with the information where to find a boot file that can be loaded via TFTP. In our case the network connection is […]

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By: Meike Chabowski

April 7, 2017 5:44 am


Revolutionizing ARM Technology: x86_64 Option ROM on AArch64

The following article has been contributed by Alexander Graf, Principal Software Engineer at SUSE.       Every piece of hardware, every electronic device comes with so-called firmware–software that is deeply embedded in the piece of hardware, that provides the low-level control program for the device, and that is necessary to […]

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By: Drew

April 25, 2016 9:17 am


Comparison of UEFI and BIOS – from an operating system perspective

In a recent blog (the one right below this one, on the previous .../communities/blog/ page) I discussed the transition from BIOS (Basic Input Output System) to UEFI (Unified Extensible Firmware Interface) firmware from a hardware perspective. In this blog I’ll address the comparison from the operating system perspective. There is a definite overlap between […]

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By: Drew

April 25, 2016 8:58 am


Comparison of UEFI and BIOS – from a hardware perspective

For the past several years, x86 hardware systems (including desktops, laptops, workstations and servers) have been transitioning from BIOS-based (Basic Input Output System-based) to UEFI-based (Unified Extensible Firmware Interface-based) firmware interfaces. This firmware interface is usually just called “system firmware.” It is the initial code that recognizes the hardware components in the system […]

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