HYM324025S-50 Datasheet PDF - Infineon Technologies
Dontronics - DT204 Expansion Board for the SimmStickTM Bus.
4Mx9 FPM/EDO 30-pin SIMM
foone🏳️⚧️ on Twitter: "so a 30 pin SIMM has this pinout. I don't know why it does, I think they were slightly drunk. But the important parts are the CAS and RAS: