diff --git a/README.md b/README.md
index 19b18b4..a5b8845 100644
--- a/README.md
+++ b/README.md
@@ -1344,6 +1344,15 @@ BIOSes in agreement with: [System.dat](https://github.com/libretro/libretro-data
 
 #### Sony - PlayStation 🆗
 
+🔥**PSXONPSP660.BIN** ([download](https://github.com/Abdess/retroarch_system/blob/BIOSes/Sony%20-%20PlayStation/PSXONPSP660.BIN?raw=true)) ([infos](https://github.com/gingerbeardman/PSX))
+
+  **Note: This BIOS improves emulation, rename it by the name of the BIOS used by your emulator. For example: scph5500.bin.**
+
+> size 524288
+> crc 5660f34f
+> md5 c53ca5908936d412331790f4426c6c33
+> sha1 96880d1ca92a016ff054be5159bb06fe03cb4e14
+
 ✔️**scph101.bin** ([download](https://github.com/Abdess/retroarch_system/blob/BIOSes/Sony%20-%20PlayStation/scph101.bin?raw=true))
 
 > size 524288
diff --git a/Sony - PlayStation/PSXONPSP660.BIN b/Sony - PlayStation/PSXONPSP660.BIN
new file mode 100644
index 0000000..99e6102
Binary files /dev/null and b/Sony - PlayStation/PSXONPSP660.BIN differ