eMachines T6420 PC Desktop "pwr led positive negative" Questions

...PWR LED POWER SW HDD LED Hi there The front panel connectors are mainly, harddisk activity connector power switch connector reset switch connector power LED connector speakers connector USB connector ...

...PWR_LED or PW_LED. And the other should be something like HD_LED or similar. You might have to follow the wire from the case's front bezel if it's purpose isn't marked on it's connector, to figure ...