Posts Tagged ‘BIOS’
Recently one of our forum members, EvanCarroll, started an online petition to request the removal of WIFI whitelists from Lenovo bios. I highly encourage everyone here to support this effort by taking a minute out of your day to sign it. If an online petition can get 270,000+ signatures supporting the deportation of Justin Bieber, then we should at least be able to get a few thousand to support the removal of WIFI whitelists. Thanks!>>>Click Here To Continue Reading
In case you didn’t already know, the Extensible Firmware Infrastructure’s Human Interface Infrastructure uses Internal Forms Representation protocol to display things like your setup utility’s menu. By having access to the Internal Forms Representation, we can know everything about a menu which can assist us immensely when modding bios. I’ll also be using this application in a few of the tutorials I write, so get used to using it now
I was getting tired of all the requests to expand EFI IFR Dumper to include support for UEFI’S IFR protocol, and as a result I decided that now is a better time than any to update my program.… >>>Click Here To Continue Reading
I first started working on Module Helper back in September when Andy’s tool V2.19 was released. As some of you may know, that iteration altered the format of the extracted EFI modules by storing a module’s header, code, and name all in the same file. This created some issues with disassemblers not being able to automatically recognizing the format of the EFI modules and the size of data modules not being updated if changed. Dealing with all these negative aspects was trivial but annoying, which is why Module Helper was developed. It was originally capable of splitting the modules header and data into separate files an it could update the sizes in the headers.… >>>Click Here To Continue Reading
With the advent of UEFI and Windows 8 comes some security and usability issues. When Windows 8 is released, UEFI’s “Secure Boot” will be required to be turned on by default and it will be left to the OEM’s on how to implement it. What does this mean to you? Maybe nothing.
Windows is still the most popular PC Operating System in the world. As such, it is highly likely that the computer you are reading this article on is running some version of Microsoft Windows. If you are running Windows 7 and up, your OS is compliant to UEFI specifications. But what if you want to run a different OS, like Linux, older versions of Windows?… >>>Click Here To Continue Reading
Ever since the computer was born, there needed to be a program to tell the CPU where things are and how to use them. In 1981 the IBM 5150 introduced the BIOS (Basic Input/Output System) to the IBM-PC market. The IBM 5150 had an 8088 16bit (16bit internal bus, 8bit external bus) processor, so the BIOS chip was limited to 16 bits and 1MB of memory space. Years went by and the CPU became more powerful, with a wider bus and more memory access. However, the BIOS remained the same, and retained it’s 16bit bus and 1MB memory limit, depending on the PC-AT hardware platform.
Enter EFI/UEFI (Extensible Firmware Interface/Unified Extensible Firmware Interface respectively).… >>>Click Here To Continue Reading
The HP MediaSmart Server is a versatile OEM Windows Home Server Version 1 product, and is well known for its low power consumption and small form factor. Several months ago, BIOS-Mods helped several other developers compile a BIOS image that would enable true dual core and quadcore CPU support for the EX485 platform to have similar if not better performance than the emerging EX495. After many successful upgrades without BIOS modification, it was established that there were several issues with sleep and shutdown with the “R0″ revision Intel CPUs.
The modding then plunged onward with flashing the EX495 BIOS to the EX485.… >>>Click Here To Continue Reading
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What is a Bios? A BIOS is defined as a Basic Input Output System.The BIOS is boot firmware, designed to be the first code run by a PC when powered on. The initial function of the BIOS is to identify, test, and initialize system devices such as the video display card, hard disk, floppy disk and other hardware. The BIOS sets the machine hardware into a known state, so that software stored on compatible media can be loaded, executed, and given control of the PC. This process is known as booting, or booting up, which is short for bootstrapping.… >>>Click Here To Continue Reading