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Full Version: "FLAG" module for HP-41C ???
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anyone can help me with following thing ?

I bought couple of HP-41C modules (cheaply, because they are in unknown state, possibly non working).
One of those modules is non-working and have the name "Flag Module".

Anyone knows what was the function of this module ? I never saw any description, manual etc. for this kind of module.

This is probably a modified HP 82106A memory module that has been modified to be used with the system test module. It allows the FLAG input on the module bus to be tested.