). When the monitor supports this extension, you can obtain the display details by calling the INT 10 h bios in the system real-time mode.
You may need to call the following BIOS sub-functions:
AH = 0x4F00
Obtain BIOS-level extensions for the VESA of the monitor
AH = 0x4F01
Obtain a specific Display Mode Supported by the monitor
AH = 0x4F02
Set the current video mode
AH = 0x4F03
Obtain the current video mode
AH = 0x4F04
Save/restore svga Display Mode
files required to create a boot image. These files are in the isolinux directory of the Linux installation disk. This directory is a micro-Linux system.
Step 2: edit the original file isolinux. cfg of the execution configuration file syslinux. cfg of isolinux. bin.
default vesamenu.c32timeout 600The default value defined here is vesamenu. c32c. This vesamenu.32c is used to start the menu appearance extension tool. The timeout defined below refers to the upper limit of user selection time.
l
Author: Potter)
Essay Address: http://blog.csdn.net/sunnypotter/article/details/23201191Then install ArchLinux on the USB flash drive (specially purchased the 16G3. 0U disk)
Now we want to install xorg-server for Archlinux, and DE (desktop environment ):
#1. Disable the PC speaker# Vim/etc/modprobe. d/nopcspkr. confBlacklist pcspkr#2.1 create a user:Useradd-m-g users-s/bin/bash sunny#2.1.1 localeVim/etc/locale. gen+ En_US.UTF-8 UTf-8+ Zh_CN.GBK GBK+ Zh_CN.UTF-8 UTF-8+ Zh_CN GB2312Locale-gen#2.2
Gentoo startx Failed to load module troubleshooting, gentoostartx
Today, we re-installed gentoo again. Fortunately, it was smooth, and drivers such as wireless network cards and video cards were compiled.
Some problems were encountered during startx.
View the logs nano/var/log/Xorg.0.log and find:
[1, 75.403] (EE) Failed to load module "fbdev" (module does not exist, 0)
[75.403] (EE) Failed to load module "vesa" (module does not exist, 0)
Gentoostartx Failedtoloadmodule troubleshooting
Today, we re-installed gentoo again. Fortunately, it was smooth, and drivers such as wireless network cards and video cards were compiled.
Some problems were encountered during startx.
View the logs nano/var/log/Xorg.0.log and find:
[1, 75.403] (EE) Failed to load module "fbdev" (module does not exist, 0)
[75.403] (EE) Failed to load module "vesa" (module does not exist, 0)
Can not load intel
tab in the grub-like menu after installation, then, add the linux compiler xdriver = vesa in the environment, indicating that the ora vesa is used as the general graphics card driver. After the system is installed, you can install a dedicated driver.
For more information about the installation steps, see/installation. Install MIC2 according to the steps in this document. If we want to make moblin-image-cre
file MD5 Value
[root@CentOS ISO]# /usr/bin/implantisomd5 /ISO/CentOS-6.4_64.iso Inserting md5sum into iso image... md5 = 1355f3a08334162777e6ad867c448d2e Inserting fragment md5sums into iso image... fragmd5 = a832435cd7aeb593363287aa551476c9dd21be459aada4c29e9f3475da1e frags = 20 Setting supported flag to 0 [root@CentOS ISO]#
The content of the isolinux. cfg file is as follows:
Default vesamenu. c32 # prompt 1 timeout 100 ### 10 seconds display boot. msg menu background splash.jpg menu title W
note: the premise is that the video card driver is installed. GTF-calculate vesa gtf mode lines the Chinese meaning is the GTF mode command line Tool Driven by Vesa; what is GTF? GTF (generalized timing formula). Generally, the Program time defines the time required to generate the screen, including screen update rate), GTF is also an industrial standard for display equipment, and GTF can be used to au
This article was reproduced from: http://m.blog.csdn.net/bzw73/article/details/46564275With the front LCD driver frame, it is quite easy to re-port the VGA driver. By default, a number of VGA drivers have been supported on the disc, and we have added a driver with a resolution of 1440*900 on this basis. Add struct vga_1440_900 in KERNEL/DRIVERS/VIDEO/SAMSUNG/X4412_LCDS.C:
/* vga-1440x900 */
static struct S3CFB_LCD vga_1440_900 = {
. width = 1440,
. Height = 900,
. BPP = 32,
. Freq
Install a software first, then use the Ddcprobe to see the current supported resolution and refresh rate#sudo Apt-get Install XresprobeRun#sudo Ddcprobewill get the following informationVbe:vesa 3.0 detected.Oem:intel (R) Cantiga Graphics Chip accelerated VGA BIOSVendor:intel CorporationProduct:intel (R) Cantiga Graphics Controller Hardware Version 0.0memory:32704kbmode:1280x1024x256mode:1280x1024x64kmode:1280x1024x16mmode:1024x768x256mode:1024x768x64kmode:1024x768x16mmode:640x480x16mmode:800x60
to the ISA bus with a compatible interface connector
Designed for jumper-free devices
32-bit address and data cable, multi-master DMA, and shared disconnection
VLB
VLB (VESA local BUS,VESA partial bus) interface bus, which extends the ISA connector by adding a third vertical slot
SBus
has been around for a long time, with quite a high
finish, and windows like. After installing ATI and NVIDIA drivers, there is a graphical configuration tool on the menu, look for yourself.
If you are using Intel 855 as a display card, refer to the Intel set in Graphics resolution adjustment tool 855resolution
Third, non-Nvidia and ATI display cards or desktop display issues not supported by ATI manufacturers
If you pass System-config-display does not solve your display problems, such as screen offset, resolution does not go. We can use the
kernel of the VESAFB drive, reconfigure the compiler kernel. Configure BOOT.
Genkernel--menuconfig--LVM--install all
Device Drivers--->
Graphics support--->
Frame buffer Device--->
[*] VESA VGA Graphics support
Vi/etc/default/grub
grub_cmdline_linux_default= "DOLVM vga=0x315"Where the VGA kernel parameter values refer to the kernel document Https://www.kernel.org/doc/Documentation/fb/vesafb.txt
Grub-mkconfig-o/boot/grub/grub.
:
You can successfully compile Git clone git://git.moblin.org/moblin-image-creator-2, as well as normal operation, and if unicodeencodeerror occurs, the third step of processing method one with method.install MIC2 in FEDORA9 and 10
began to install F10 on the ancient P4 machine, the results of the old graphics card is not supported, and later installed in the new machine, the use of ATI graphics card, the results Tainu also do not support, depressed. When installing Fedora 10, if there is a prob
, so the system chooses the default value, that is, automatic booting.
Press F4 to ignore the X configuration because I suspect this configuration is a bit complicated and I don't want to be forced to abort when the installation is halfway through. Then, when prompted, set the root password. The system asks if you type the root password to configure X, and press ctrl-d to continue the boot sequence.
The next screen asks if you want to select media to continue installing. I select option 1, CD/
/pxelinux.cfg# CP/VAR/WWW/HTML/RHEL6/ISOLINUX/ISOLINUX.CFG?????/var/lib/tftpboot/pxelinux.cfg/default# chmod 644/var/lib/tftpboot/pxelinux.cfg/default# ls-l/var/lib/tftpboot/pxelinux.cfg/default8. Modify the contents of the menu file# Vim/var/lib/tftpboot/pxelinux.cfg/default......Menu Background Syslinux_splash.jpgMenu title Welcome to PXE server!......Label Linux? Menu Label Install RHEL7.2? Kernel Rhel7/vmlinuz? Append initrd=rhel7/initrd.imgLabel VESA
at Mem ce000000, IRQ +, node Addr 00:1a:64:ca:d5:f8[13.974877] eth1:broadcom netxtreme II BCM5708 1000base-t (B2) pci-x 64-bit 133MHz found at Mem ca000000, IRQ, node Addr 00:1a:64:ca:d5:fa[20.569505] bnx2:eth1:using MSI[22.169117] bnx2:eth1 NIC Copper Link is up, at Mbps full duplexExplanation: The server uses two network cards, the model is Netxtrme II BCM5708 1000base-t (B2), are 64-bit, the first network card IP address is: 00:1A:64:CA:D5:F8, the second network card IP address is: 00:1a:64:
) Master method calculates the Master method calculation (first case) t (n) = (n^2)Optimization:(A-B) * (c-d) = ac+bd-(Bc+ad) so the xy equation (a*d+b*c) can be replaced with ac+bd+ (B-A) (c-d).That is, the original calculation AC,BD,AD,BC four sub-problems, converted to AC, BD, CD three sub-problems.T (n) =3t (N/2) +θ (n) calculated t (n) =o (n^ (log2^3)) ≈o (n^ (1.59))Classic Question 3: matrix multiplicationInput: Two matrices A, B output: a*bDivide and Conquer:General thinking is divided in
, so add the following configuration:Set the scope property here to provided so that the jar package will not be included in the resulting war, because servers such as Tomcat or jetty will provide the relevant API classes at runtime. At this point, the Execute MVN Package command will get a war file that we can directly put under Tomcat (requires 7.0.42 or more).The above describes the process of developing an application based on spring boot, and its documentation is not yet complete, but there
confirm the M4, because M4 is the received out-of-sequence message segment. According to the principle of reliable transmission, the receiver can do nothing, or at the appropriate time to send a confirmation of the M2. However, according to the provisions of the fast retransmission algorithm, the receiver should send a duplicate confirmation of the M2 in time, so that the sender can know earlier that the message segment M3 did not reach the receiving party. The sender then sends M5 and
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