We have been using BIOS for more than 20 years. today, however, there are still many friends who do not know what the BIOS is, what it mainly does, and how it is positioned in the PC. in fact, BIOS is the most important underlying system software in the entire computer system. for more than 20 yearsProgramThe developers ignored the BIOS or the Development Technology derived from the BIOS. On the contrary, we talked about how to adjust one or two BIOS settings. today, the BIOS industry is quietly
This second install Ubuntu system, the first time is installed under the Win7, to the WIN10, due to the use of EFI, and Win7 installation method is not the same, the same points are:1. You can still start with the U-disk, I use Ultroiso this software.2. Setup in BIOS before install, turn security xx in boot into disabled3. The settings for the partitions are approximately the same, and can be set up with reference to previous tutorials.The difference
. After modification, see:
7. Change the boot sequence to USB flash drive boot. Some motherboard can also be modified on the BIOS interface, insert the USB flash drive, and select SaveChange and exit
8. Now you have changed the BIOS from EFI to the legacy bios. The following system installation steps are the same as the original ones. Refer to Step 1 or other Tutorials:System download and InstallationComplete Record
9. One thing to note is that
OS loader is a special type of EFI image. It is responsible for entering the system from the firmware environment into the OS environment. It has to complete the following important steps:
1. the OS loader must determine where the file is called, so that the OS loader can obtain other files from the same location.
2. the OS loader must determine where the OS is stored in the system, which is exactly the location of oskernerl. Bin.
3. OS loader must es
Recently bought a solid-state drive, first installed a win 7 system, now installed system and the only difference between the previous system is that the boot is not the previous MBR, but the latest seems to be a trend of the gpt+uefi way.Win 7 loaded, or the same as the previous installed Ubantu (Ubantu 12.04), Ubantu boot Disk sector selection is installed Win7 is the boot disk (the ESP partition of the disk);Ubantu installation First off the networ
1.win8.1 system disk, Ubuntu system disk2. Modify BIOS settings to support the EFI boot and Scureboot settings support non-Windows systems, boot the installation in UEFI mode with the USB drive as the system disk3. Install WIN8.1, generate EFI boot partition and recovery partition4. Boot selected as/boot mounted partition
http://xu3stones.blog.163.com/blog/static/205957136201210309424303Primary partition, extended partition, logical partition, active partition, system partition, boot partition ...Main boot sector, Mbr,bootloader .....All kinds of c
computers with UEFI bios are not available to all netizens, and VMware (8.0 or more) is now being created to enable everyone to experience "UEFI" the "Uefi virtual Machine", which was provided last year, is now re-provided for the completeness of this series of tutorials: After you create a new virtual machine, locate the file with the suffix VMX in the virtual machine directory, and then, with Notepad open, add a line of text (in red):-----------------Firmware = "
Attached 2, MDT Update 1 boot image litetouchpe_x64. ISO cannot be modified in the EFI environment of VMware WORKSTATION ProJust hit a test machine, using a 3T hard disk, not much to think, accustomed to the use of MDT UPDATE 1 for deployment, unexpectedly deployment process error, just think of the traditional BIOS boot, unable to install Windows system on a boot disk larger than 2T.So think of EFI boot, o
Apple Mac EFI Memory Corruption Vulnerability (CVE-2015-3693)Apple Mac EFI Memory Corruption Vulnerability (CVE-2015-3693)
Release date:Updated on:Affected Systems:
Apple OS X
Description:
CVE (CAN) ID: CVE-2015-3693IOS is an operating system developed by Apple for mobile devices. It supports iPhone, iPod touch, iPad, and Apple TV.In versions earlier than Apple Mac
Http://blog.csdn.net/hgf1011/article/details/4635888
Containing_record in EFI
Almost all the efi bios is completed in C, and it uses almost all the skills of C language to the extreme. The essence of C is the pointer, and the macro is also very commendable. The comments of programmers on macros are mixed. Some people say that macros are the source of all evil, while others praise them as a blade. I pers
Used in the past few daysCentOS-6.3-x86_64-minimal-EFI.isoThe Virtual Machine is installed in the image, and the NIC cannot be found when it is started ...... The problem has been solved. Record it here for me to check it later.
Virtual Machine network configuration options:
As you can see, the access network is selected here.
Log on to the Virtual Machine System (CentOS-6.3-x86_64-minimal-EFI), ExecuteIfconfigCommand. The output result is as
Overclocking has always been a dangerous and troublesome thing, with the BIOS option, setting up errors can make the system fail to boot or even burn hardware. The EFI BIOS uses jumper overclocking for overclocking and can only overclocking through the BIOS multiplier. Here for you to introduce the jumper overclocking.
Jumper Overclocking is a major feature of MSI motherboard, usually on the motherboard will have several sets of jumpers, through diff
Problem one: This is the case that the hard disk is broken, do not have to try to repair, and directly replace the new one can beThe cause of this problem is: voltage instability, often caused by power outagesProblem two: This situation can be solvedYesterday installed the operating system on the POS, found that installed two times the XP system has such errors, and finally ready to install the Win7 system, Win7 system after installation, I again format the Win7 system, and then install XP found
disk. As we mentioned earlier, "under Solaris,A disk contains eight partitions marked as 0-7, because the value of X can only be 0-7.
The above content gives a detailed description of c0t0d0s0.
Tired. Let's talk about the introduction of Disk Label.Disk label in Solaris
Disk Lable always records the Disk information and data storage format at the beginning of the Disk, including the Label type, Disk size, Disk partition information, and Disk geometry
CentOS6.3 minimal EFI Nic problems these days with the CentOS-6.3-x86_64-minimal-EFI.iso image installed virtual machine, found that the start up can not find the network card ...... The problem has been solved. Record it here for me to check it later. Network Configuration Options for the Virtual Machine www.2cto.com: You can see that the network is selected here. Log on to the installed Virtual Machine System (CentOS-6.3-x86_64-minimal-
Http://blog.csdn.net/hgf1011/article/details/4713371
This is really a great commodity. It's a good talk. stay here so that you won't be able to find it again later.
Va_arg in EFI
1. Introduction
Variable parameters are actually a built-in function of the Standard C language. They have little to do with EFI itself. However, it is re-implemented and used in EDK, and our code base is frequently used. Many O
HP Notebooks Setting the hard drive IDE/AHCI mode in the EFI BIOS
1, after the boot continuously press F10 or ESC key, press F10 to enter the BIOS, move around or with the mouse to click System configurations;
2, under the system configurations select device configurations;
3, according to the need to select the corresponding hard disk working mode IDE or AHCI, and finally press F10 Save and exit.
The above is about HP noteb
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