x220 drivers

Some time ago, the hard disk space was not enough. The original configuration was x220, 128 M4. Now I doubled the capacity and started with a 256 GB disk.Why choose micron M4-256 SSD, the reason is so.1: x220 supported firstSATA6 Gbps, so you need to find an SSD that supports this specification.2: micron is a famous memory chip, particle manufacturer, and professional match.3: Finally, this M4-256 supports

original link: https://www.gaojinan.com/thinkpad-x220-hackintosh-osx-10-11-el-capitan-perfect.html//update 2016.11.25Today official web page updated BIOS version to 1.43, the BIOS patch For1.43 also has the update, I post the new link, the Update method is identical with the method mentioned in the article.BIOS 1.43 Lenovo official update patch address 1 (recommended) Address 2BIOS Patch For1.43 MD5:38AE7F20E1DFA6D3B5AA034653E0EEC7Also note: Setting i

Tags: mount cos present--process Sierra from Unzip enterStep 1. Open/applications > Utilities > Disk UtilityStep 2. Open?/applications > Utilities > Terminal and then enter the following commands to creat Install MacOS Sierra (disk2 S1) sudo su;Open/volumes/linyongfeng\ hd/library/utilities/install.macos.10.12.6.mas.dmg;/volumes/install.macos.10.12.6.mas/install\ macos\ Sierra.app/contents/resources/createinstallmedia--volume/ Volumes/usb--applicationpath/volumes/install.macos.10.12.6.m

Install fingerprint identification on X220/T530Ubuntu14.10/LinuxMint17.1 On Ubuntu, you can install fprint-demo and fingerprint-gui as the fingerprint recognition software for ThinkPad. I tried fprint-demo, which can be used with the Ubuntu SYSTEM account, but the recognition effect is poor. Fingerprint-gui runs as an independent fingerprint software, and the recognition effect is good. Therefore, fingerprint-gui is used. Install Ubuntu 14.10 1.

1. Windows 7 was originally named x220, skipped; 2. There is only one C disk on the x220. You can use acronis Disk Director Suite to modify partitions; (Pqmagic was used for disk partitions in the past, but it seems that hard disk partitions will be damaged) 3. Use ultraiso to write the Ubuntu image into the U disk (refer to the http://www.jnnb.com/read.php? Tid-49748.html) 4, restart

It took more than a month to get started with x220, and all the programming programs that have been released have been used. Actually, I want to know what kits I need, and This is not required. For example, the autolock and screen function of a person's notebook can be upgraded to 90 degrees at the beginning to improve the function of the notebook. However, it is really cool to use it. In fact, the number of times is very small. My oem O

Install fingerprint identification on ThinkPad X220 Ubuntu 14.10 On Ubuntu, you can install fprint-demo and fingerprint-gui as the fingerprint recognition software for ThinkPad. I tried fprint-demo, which can be used with the Ubuntu SYSTEM account, but the recognition effect is poor. Fingerprint-gui runs as an independent fingerprint software, and the recognition effect is good. Therefore, fingerprint-gui is used. Install Ubuntu 14.10 1. Add PPA

This article is done original, reproduced please specify the source, respect for the original.Writing this article, I refer to some blogs on the Internet:Http://bbs.chinaunix.net/thread-3634524-1-1.htmlHttp://www.bkjia.com/gjrj/800182.htmlAlso refer to the "Linux driver development in detail" 3.4 chapters, to achieve the establishment of their own drive directory.The driving example in this article is: Linux device Driver Development detailed second edition of global Mem Tow, Song Baohua Editor'

This is a 2014kdd, geographic location service paper. Contents: 1) First, the author raised a valuable Question: recommend taxi drivers with routes that can be carried to the guests at the minimum cost. 2) Secondly, the novelty of the problem is that in the past, there were scattered recommendation points. This paper is a recommendation route. It can be said that the location service provided goes further. 3) then, two sub-problems are pointed out: a)

The stream device driver is actually the driver for exporting standard stream interface functions. This is the definition above. In wince, all stream devices export stream device interfaces, so that Device Manager in wince can load and manage these stream device drivers. Architecture of stream device driver First, I declare that I copied this image. When wincestarts, oal(oal.exe) First loads the kernel. DLL, and then kernel. DLL load device. DLL, devi

Make [2]: *** no rule to make target 'drivers/Char/tianc_ LCD .o ', needed by 'drivers/Char/built-in.o'. Stop. Make [2]: *** no rule to make target 'drivers/Char/tianc_ LCD .o ', needed by 'drivers/Char/built-in.o'. Stop. Make [1]: *** [Drivers/Char] Error 2 Make: *** [

Control program.In addition, routing and address resolution are handled by the kernel. Loadable Modules The features provided by the Linux kernel can be extended at run time, that is, when the system is up and running, we can add or remove functionality from the kernel to the kernel.Code that can be added to the kernel at run time is called a "module."The Linux kernel supports several types of modules, including but not limited to device drivers.Each module consists of target code

device in the private_data member that represents the opened file pointer filp for other operation functions. Release Operation: int yjpLED_release(struct inode *inode, struct file *filp){filp->private_data = NULL;return 0;} Release the content allocated by open in filp-> private_data. Write operation: ssize_t yjpLED_write(struct file *filp, const char __user *buf, size_t count, loff_t *f_pos){ssize_t retval;struct yjpLED *dev;dev = filp->private_data;if(down_interruptible(dev->sem))return -ERE

Poll for linux drivers and poll for linux driversPOLL operations 1. POLL execution process: Poll is a system call. Its kernel entry function is sys_poll. sys_poll calls do_sys_poll directly without any processing. The execution process of do_sys_poll can be divided into three parts: 1. Copy the input pollfd array to the kernel space. Because the copy operation is related to the array length, this is an O (n) operation, in do_sys_poll, the code in this

This document describes how to use ctl_code to communicate with a Windows NT driver. generally, user-Mode Applications can communicate with kernel-mode drivers by calling createfile and deviceiocontrol, if a driver in the kernel state wants to perform similar operations with another driver, how can this problem be achieved? Next, we will provide a detailed description. The main idea is to first get the handle of another driver, then construct an IRP,

How to use the device tree of linux drivers and how to use the device tree of linux drivers The Device Tree describes the hardware from the software perspective, and DTS is the Device Tree source file. DTC is responsible for converting DTS to DTB, and DTB is the binary form of DTS for machine use. The Device Tree is a tree structure. Each child node except the root node has a unique parent node, which can h

If you are interested in Linux user-state driver development, please read this article, otherwise please drift over.user-space Device Drivers in linux:a First Look | initial knowledge of Linux User state device driversuser-space Device Drivers in linux:a first look Mats liljegrensenior software ArchitectDevice drivers in Linux is traditionally run in kernel spac

interactions, the corresponding recommendation system is also for smart devices such as smart phone development. Indeed, the problem of building a mobile referral system for the taxi industry is still a lot of space.Recently, the rich GPs trajectory of taxis has made it possible to do a car rental in the field of new methods. A lot of energy into the use of taxi trajectory data to do mobile referral system. These systems can extract energy-ecient traffic patterns from historical trajectory data

A quick search in the Web reveals that the number of the books that are related to Windows Device drivers can be counted with the fingers of one hand. even worse, most of the books are either too old (published before or around Windows 2000) and/or not easilyReadable. Another problem is that the Windows Driver Model (WDM) is becoming more complex as time passes, so the newer books are relatively more complex to read than the older ones. Based on all o

TIPS:1. please install the driver in sequence. The downloaded driver is an executable file, but it is not installed only when the file is released. By default, it is released to C: in the/Drivers/win/*** directory, go to the file directory to continue the installation.2. before installing WINXP, you need to change the hard disk to compatible mode in the BIOS. Otherwise, the system will prompt that the hard disk or blue screen cannot be found during in