Ich kann Deutsch erst am Niveau B2 sprechen.
They are also used as parking ticket machines (in Europe we don’t have parking meters, you buy a ticket and display it on the dashboard, or in some places get a virtual ticket for your license plate). I don’t think the company exports these outside the Czech Republic, and Euro coins are not magnetic. So I’m afraid you’ll have to find another magnet-related exploit (maybe this)?
Here is a datasheet of one / photo. I don’t have the video of me fishing coins, I probably deleted it because it was unwatchable (it’s hard to fish coins while filming covertly!) but about 5 coins fit into the space behind the keyhole before they start being visible. The front panel is non-magnetic, unlike CZK coins, and the sound of fishing them out is very similar to throwing them in, so there is little suspicion unless you are at the wrong-gender toilet. Unfortunately, 10 CZK coins take effort to jam into the slot, so almost only coins up to 5 CZK ($0.25) get accidentally thrown in. Still, pays for my bus home.
A common public toilet till machine has a keyhole that looks like a coin slot. Turns out, HDD magnets are the perfect shape to fish out any coins mistakenly thrown in there.
This is the most likely failed part, yes. If you feel adventurous, you can try repairing it like DiodeGoneWild. Looks like the auxiliary power supply (5V 1A independent of others; powers BIOS chips in standby to allow soft power-on) works but the main one does not. Unplug the connectors, connect the black (GND) and green (ENABLE) wires to signal a POWER ON state and check all the voltage rails. Many units use a powerful 12V supply and step-down converters to create the 5V and 3.3V rails, as well as an inverter for the -12V one – if that’s the case, you can try backfeeding 12 V from another PSU and see if the rest come on. Once you identify the failed power supply, check its primary transistor(s) (big 3-pin components on a heatsink) for a short or open circuit.
Yeah, you can run a SATA & power extender cable (or reroute the existing one unless it’s just a connector soldered to the MoBo) out of the bay and affix a 3.5" drive elsewhere in the box or outside of it.
make titles serif only
I don’t want to question your aesthetic choices but I think it hurts readability.
That’s why “availability” is a core tenet of security (according to some cybersecurity course I took). It is easy to prevent unauthorized access to data if you have no requirements on authorized access.