If your drive feels hot even when not in use, you have a firmware issue. The PS2251-07 should enter a sleep state after 30 seconds of inactivity. If it stays hot, Windows may be polling the drive constantly (disable "Indexing" on the drive properties).
: In "hot" or high-stress scenarios, the controller may enter a "firmware panic" state, identifying itself as "2307 PRAM" with 0 capacity, indicating it has failed to load the firmware correctly from the NAND. phison ps225107ps2307 hot
: If the drive is not detected, technicians sometimes "short" specific NAND flash pins to force the controller into its MaskROM bootloader mode for repair. If your drive feels hot even when not