Diskless Windows Fully Embedded

Diskless Angel

1.Windows system running in RAM. C is the virtual ramdisk, D is the physical hard disk for booting up.



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2.The virtual ramdisk and the physical hard disk are shown here in the Device Manager .



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3.Windows system running in RAM. The physical hard disk has been removed and only virtual ramdisk C remains.




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4.The sizes of the virtual ramdisk and the system memory are shown here, totalling 3.6G divided between 1.75G for the virutal ramdisk and 1.84G for the system memory. (Total system RAM is 4G. Owing to the design of the computer system, somepart of the system RAM is not free for use.)




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This software provides a solution for running a diskless computer with Microsoft Windows fully embedded in virtual ramdisk. This solution can be used in computers using the operating system of Microsoft Windows 98/NT/2000/XP, including personal desktop computer, mobile notebook computer, ultra mobile personal computer, Automated Teller Machine and all other industrial computers using this series of operating system.

This software has the following distinguished features:
1. Putting a full installation of MS Windows 98/NT/2000/XP to run in virtual disk in ram.
Microsoft Corporation now provides trimmed-down system of Windows NT/2000/XP Embedded in the maximum of about 500Mb in size for running in ram. These trimmed-down systems have functional limitations and are not suited for general use as their full-version-equivalents. This software employs new technology, breaking the 500Mb size limitation of the aforesaid embedded systems, making it possible to fully embed the full versions of Windows NT/2000/XP to run in ram, using up to 4Gb memory in ordinary computers.

There are many ways to start running Microsoft Windows 98/NT/2000/XP on virtual disk in ram:

a. Boot up from hard disk. After the system is running normally, the hard disk can be removed.
b. Boot up from CD/DVD. After the system is running normally, the boot-up CD/DVD can be removed and the CD/DVD drive can be used normally.
c. Boot up from other storage media, including Compact Flash Card, Flash Disk, etc., if the BIOS of the corresponding computer supports booting from such storage media.
d. Boot up via network. With this method, the system image is stored on the network server, the client computer downloads and boots up the system image, using network protocols such as PXE, Etherboot, etc.

2. If booted up from hard disk, all hard disks can be taken away after Windows operating system is run up in ram.

This method saves power, avoids virus infection, provides mobility and portability, greatly facilitating daily maintenance work and use for network connection.

Nowadays, only diskless client computers booting up via network card connected to LAN can run up as diskless computing systems. The hard disks of ordinary standalone non-networked computers cannot be easily removed for creating a diskless system as the computers have to boot up from such hard disks. This software provides a solution, making possible the removal of fixed system hard disks, including ATA/SATA/SCSI hard disks and CD/DVD drives, when the computer operating system is in actual running. If needed, such storage devices can be re-connected for use, making possible a dual diskless-diskly system.

There is no need for powering down the computer when the disconnection and re-connection is in action and it can be run while the Windows operating system is running in ram. This solution package also includes a USB hardware device for managing the power safely when disconnection and re-connection is in process. This solution can also be used in network-connected computers for setting up diskless system, suitable for the use by enterprises, offices, schools, netbars, hotels, shopping malls, athletic meetings such as Bejing Olympic Games, etc.