Drakey on page 247
If that's Silver, Gold, or Crystal, it's most likely useless. All of those cartridges have had their internal batteries run dry by now, so unless it had a fresh battery put into it, it won't save games anymore. Ruby, Sapphire, and Emerald have a similar problem: they'll save games, but their internal clocks won't work without the battery, so nothing that relies on the clock will happen.