To understand SP5001ABIN, you must understand the hardware it was born from. Most evidence points to this file being related to a transition period between the Sega Saturn and the Model 3 arcade board.
In MAME, these games will often display an error if the specific sp-5001.bin file is missing from the ROM set, or they will fail a "Self-Test" regarding the protection unit. sp5001abin mame exclusive
I'm assuming you're referring to a specific ROM (Read-Only Memory) image related to MAME (Multiple Arcade Machine Emulator), specifically a game or title named or abbreviated as "sp5001abin" which might be exclusive to certain MAME versions or configurations. To understand SP5001ABIN, you must understand the hardware