Furthermore:

Nokia-N810-43-7:/bin# apt-get install ncurses-base
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run âapt-get -f installâ to correct these:
The following packages have unmet dependencies.
ncurses-base: Depends: libncurses5 (>= 5.4-5) but 5.4-3.osso4 is to be installed
xmms-mp4: Depends: libfaad0 (>= 2.6) but it is not going to be installed
E: Unmet dependencies. Try âapt-get -f installâ with no packages (or specify a solution).

Nokia-N810-43-7:/bin# apt-get install 5.4-3.osso4
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package 5.4-3.osso4