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 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78  % $Id$ \warn{Before starting this procedure, ensure that you have a copy of the original \playerman{} firmware. Without this, it is \emph{not} possible to uninstall Rockbox. The \playerman{} firmware can be downloaded from \url{http://www.tacp.toshiba.com/tacpassets-images/firmware/MESV12US.zip}.\\} Installing the bootloader is only needed once. It involves replacing the existing firmware file on your \dap{} with another version. When running the original \playerman{} firmware (a version of Windows CE), it is only possible to connect the \dap{} to a PC in MTP mode'', which hides the actual content of your \daps{} disk and provides restricted access to its contents. In reality, the \daps{} hard disk contains two partitions, a small (150MB) firmware partition'' containing the \daps{} firmware (operating system), and a second data partition'' containing your media files. The main firmware file in the bootloader partition is called \fname{nk.bin}, and this is the file that is loaded into RAM (by the \daps{} ROM-based bootloader) and executed when your \dap{} is powered on. \subsubsection{Bootloader installation from Windows} \begin{enumerate} \item Download \fname{sendfirm.exe} from \fixme{add download location}. \item Download the bootloader (\fname{nk.bin}) from \fixme{add download location}. \item From the command prompt, enter the directory into which you downloaded \fname{sendfirm.exe} and \fname{nk.bin} and run: \begin{code} sendfirm.exe nk.bin \end{code} \item After a successful installation, your \dap{} will immediately reboot and (because it is still connected to your PC) enter the Rockbox bootloader's USB Mass Storage'' mode, which exposes your \daps{} disk to your computer as a standard USB Mass Storage device. \end{enumerate} \subsubsection{Bootloader installation from Unix (Linux / Mac OS X)} \begin{enumerate} \item Download \fname{sendfirm} from \fixme{add download location}. \item Download the bootloader (\fname{nk.bin}) from \fixme{add download location}. \item From the terminal, enter the directory into which you downloaded \fname{sendfirm} and \fname{nk.bin} and run: \begin{code} chmod +x sendfirm ./sendfirm nk.bin \end{code} \item After a successful installation, your \dap{} will immediately reboot and (because it is still connected to your PC) enter the Rockbox bootloader's USB Mass Storage'' mode, which exposes your \daps{} disk to your computer as a standard USB Mass Storage device. \end{enumerate} \subsubsection{Fixing the partition table} The factory-standard partition table on your \daps{} disk is technically invalid, and the Linux kernel (and maybe other operating systems) rejects it. To fix this, you need to use the fdisk utility to correctly set the bootable flag'' field to a valid value (it doesn't matter if this is true or false).\\ \note{Windows does not seem to mind this, so if you only use your \dap{} with Windows the following steps are not necessary.\\} Assuming your \dap{} is appearing as /dev/sdz (the output of the dmesg command will show the log messages including the device node assigned to your \dap{}), type the following: \begin{code} fdisk /dev/sdz a 1 a 2 w \end{code} After exiting fdisk, you may need to unplug and then reattach your \dap{} in order for it to be recognised by your computer.