lpt1 to usb

Tool Preparation ① make a quick Start U disk Startup disk② a ghost Win7 system image file and deposit into the prepared Quick Start U disk Boot disk mode to AHCI mode Fast Start USB disk Installation System Tutorial We put the production of U disk Boot disk inserted in the computer USB interface, and then restart the computer, in the presence of the boot screen long press the start shortcut to enter the

1 We first click on the phone "settings" and then into the Vivo xshot mobile phone "about the phone" interface. 2 In addition, we open the "about the phone" continuously non-stop click Version number, until the phone prompts "you are in the developer mode, do not need to do this" we can not click. 3) Then we go back to the "setup" of the phone just now and you will see there is a "developer option" we click on it to go in again here to find "USB

1 Click the "Settings" icon to enter, in the "More" menu bar to find "about the device", and then click Enter. (as shown in the following figure) 2 Click on "About Equipment" to enter, find "build number", continuously click on the "Build Number" column, until the display "No need, developer mode is enabled" after the stop. (as shown in the following figure) 3 Finally, return to the "Settings" menu bar, you can see the "Developer Options" Menu key. Click on "Developer Options" to enter, ch

1. Click "About Phone" as shown in the picture after "setting" the phone to enter the setting. 2. On the phone we find "version number" has been clicked Non-stop Click on the phone to wait for the screen to appear "You are in the developer mode!" "No more, please." 3. Then we return to the phone's "settings" Here you will see that there is a "developer option" now click to enter after we can see "USB debugging", remember to hit the back of "√."

1 First, we will open the developer selection, enter the phone "settings" and click "About the Phone" click on open Access. (pictured below) 2 After we click on the phone in the "version number", see the ScreenTip "You are in the developer mode!" "No, then we'll go back to the Settings page and we can find the developer option at the bottom." (pictured below) Now to open the USB mode, we click on the mobile desktop "Settings", drop-down m

In 1991, one introduced the concept of pipelines in Linux and used pipelines in many places, such as file systems and device drivers. So we can see that there are various pipelines in Linux. But the same thing is that all pipelines are used to transmit things, but some pipelines transmit real material while some pipelines transmit data. The pipe we see in the USB code is used for data transmission and communication. Communication is from both parties,

This article was reproduced from: http://blog.csdn.net/u013686019/article/details/50165059[HTML]View PlainCopy android:4.4.4 First, the problem analysisWhen the USB printer is plugged into an Android device, there is no printer node (/DEV/USB/LP0) generated in the System/dev directory.The first reaction is to check the printer device and access the Ubuntu-equipped PC, normal: /dev/

USB device is a collection of ports, interfaces, configurations, USB protocol is a variety of USB descriptors to characterize the function of USB devices. The computer uses these descriptors to obtain the functionality of the USB device.USB descriptors include:

Disable usb in Domain Policy and usb in Domain Policy Documents and templates can be downloaded in http://pan.baidu.com/s/1qYTcjTy Pro_usb_users.adm this template can be disabled to the specified drive letter, for user policy Pro_usb_computers.adm this template is intended for computers. Generally, it is enough. You can start from three aspects In fact, the adm configuration file seems to have modified th

Recently, as a result of the business relationship, we need to install an HP server that was originally installed with win2003 into a red hat linux61. I thought it was a simple task. Recently, as a result of the business relationship, we need to install an HP server that was originally installed with win2003 into a red hat linux6.1. I thought it was a simple task. I ran into the data center with a CD. as a result, I was stunned. no one of the three DVDs was available, and all of them showed medi

Http://www.easyuefi.com/wintousb/index-cn.html Tools to use Wintousb attached: Win8 can be used Windows to Go Easily install WINDOWS/WINPE to a USB removable hard disk or USB flash drive!Wintousb is a free application software. It installs the Windows operating system from an ISO disc image or CD/DVD drive to a USB removable hard drive or

First, set the CMOS parameters For a friend who has never used a USB add-in, it is possible that the system cannot detect a USB hard drive even if the driver is properly installed, mainly because the default CMOS port on the motherboard is turned off, and if it is not set to open, Then Windows naturally cannot detect the removable hard drive. To solve this problem, we can reboot, enter the CMOS Setup wind

Usb_stor_control_thread () is basically finished, but the following lines are the climax of the climax. The so-called bulk-only protocol for batch transmission. It is shown here. 371/* we 've got a command, let's do it! */ 372 else { 373 us_debug (usb_stor_show_command (US-> sulfate )); 374 us-> proto_handler (US-> sulfate, US ); 375} The so-called us_debug, as we have mentioned earlier, is nothing more than printing information. At present, this sentence is to execute the function usb_stor_show

Storage_probe is a very interesting function with a total length of less than 100 rows, but has done a lot of things. It is like the Back Waist on the football field, such as Chelsea's mark le. It is not remarkable on the court, however, they have made outstanding contributions to the entire team. Let's continue to read the storage_probe code: 972 mutex_init ( (us-> dev_mutex )); 973 init_MUTEX_LOCKED ( (us-> sema )); 974 init_completion ( (us-> notify )); 975 init_waitqueue_head ( us-> del

the daemon loops. Line 3: as long as the result of the preceding command is that the result of the port-> result is not DID_ABORT, the command is successfully executed. So we call the scsi_done function. Row 390, SkipForAbort, is a row flag that corresponds to the previous goto SkipForAbort statement. To continue, Row 3 and the preceding comments are also quite clear. If us_f1_x_timed_out is set, the process with this flag is actually wakened by command_abort, we will talk about command_abort

Usb_stor_control_thread () is basically finished, but the following lines are the climax of the climax. The so-called Bulk-Only protocol for batch transmission. It is shown here. 371/* we 've got a command, let's do it! */ 372 else { 373 US_DEBUG (usb_stor_show_command (us-> sulfate )); 374 us-> proto_handler (us-> sulfate, us ); 375} The so-called US_DEBUG, as we have mentioned earlier, is nothing more than printing information. At present, this sentence is to execute the function usb_sto

1. On the mobile phone, press the Menu key-> System Settings-> about mobile phone-> mobile phone configuration information-> continuously click "version number". Then we can see a prompt on the mobile phone..Step 2. After opening it, click "system settings"-"developer options" and select "USB debugging.Okay, then we can connect the mobile phone to the computer for flash or software installation.

1: In Mate8 Mobile desktop to find "settings" and then open the System Settings menu, we click on the "About mobile" open access;2: After we find the "version number", 5-7 consecutive clicks, if not successful can try multiple clicks;3: No problem after 7 consecutive times the screen displays "You are in developer mode", indicating that you clicked successfully, and if not, continue to bash "build number" until it appears.4: Then we exit and then go into the phone's "settings" and now see there

1. We first need to switch on the mobile phone on the USB debugging, first in the mobile phone desktop to find the "application" as shown in the picture. 2. Then we'll find the "Set" button and click Enter. 3. Then click on the "More" button as shown in the following figure. 4. Well, in more, you'll see a "about the device" panel. 5. In the click into the device we will see a "build number", straight now we continue to

1. Click "Settings" in the Xperia Z1 interface to enter the phone 2. Then in the open Xperia Z1 settings click on "About mobile" into 3. Then we entered the "About mobile" interface as shown in the following figure 4. We move to the bottom, we will see the software version 5. Now we just click 3 times on the software version and click 3 consecutive times. 6. So the phone screen will prompt you to open the developer mode press the return key 7. Now we go back to the setup and we