Red lock—FBWF is disabled.

Green lock—FBWF is enabled.

Yellow lock—FBWF state will change on next boot.

You can change the status of FBWF by right-clicking the icon and selecting the desired FBWF state.

If you use the command line to modify the FBWF, right-click the icon to refresh the status icon display (click anywhere on the screen to close the context menu). The status icon display is refreshed automatically when you make modifications through the HP Write Filter Configuration utility.

NOTE: Because the fbwfmgr.exe utility and the FBWF status service execute separate code, status changes made by fbwfmgr.exe are not automatically reflected by the FBWF status icon.

Local drives

IMPORTANT: The write filter must be disabled for any configurations to be made permanent. See Write filters on page 2 for more information.

The following local drives are configured on the Digital Signage Player by default:

Drive C (storage device)—This is where the operating system and software are installed. Writes to this drive can be limited or restricted entirely by using a write filter.

CAUTION: HP recommends that you do not allow the available free space on the storage device to drop below 10% of the flash size. If the available free space on the storage device drops below 15 MB, the Digital Signage Player can become unstable.

Drive Z (RAM drive)—This is a virtual drive that is created from the system's physical RAM. This drive will look and behave like a standard fixed disk drive, but it is created at system startup and destroyed at system shutdown. Therefore, HP recommends that you do not store information or data on this virtual disk drive.

You can use the HP RAMDisk Manager utility to configure the size of Drive Z. For more information, see HP RAMDisk Manager on page 8.

Local drives

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HP MP4 Model 4200 manual Local drives

MP4 Model 4200 specifications

The HP MP4 Model 4200 is a robust and innovative device designed to meet the demands of various user environments, from business applications to educational settings. This versatile machine is characterized by its reliable performance, impressive features, and cutting-edge technology, making it a valuable asset for any organization.

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