Dell_rbu driver

This document discusses the functionality of the rbu driver only. It does not cover the support needed from applications to enable the BIOS to update itself with the image downloaded in to the memory. In case of monolithic the driver allocates a contiguous chunk of physical pages having the BIOS image. In case of packetized the app using the driver breaks the image in to packets of fixed sizes and the driver would place each packet in contiguous physical memory. The driver also maintains a link list of packets for reading them back.

The rbu driver needs to have an application as mentioned above which will inform the BIOS to enable the update in the next system reboot.

The driver supports two types of update mechanism; monolithic and packetized. Replies 3. Aparantly 3. Magenbrot 2 Bronze. Hi, same problem here. When can we expect an update? Post Reply. Top Contributor. Dell Support Resources. Latest Solutions. Can't find what you're looking for?

You can post your question in our community. In the packet update mechanism, the user needs to create a new file having packets of data arranged back to back. This makes one packet, the user needs to create more such packets out of the entire BIOS image file and then arrange all these packets back to back in to one single file. In monolithic update the user simply get the BIOS image.

So on the next reboot the BIOS knows about the new image downloaded and it updates itself. The Linux Kernel 5. The user should not unload the rbu driver after downloading the BIOS image or updating.