diff --git a/roms/README.txt b/roms/README.txt
index 1f5dbea..6b74562 100644
--- a/roms/README.txt
+++ b/roms/README.txt
@@ -1,2 +1,2 @@
 tsconf.rom - TSConf main BIOS - https://github.com/tslabs/zx-evo/blob/83afbba6f5d366f96297028aa3d64512fa254a51/pentevo/rom/bin/ts-bios.rom
-tsconf.r01 - General Sound ROM v1.05a
+tsconf.r01 - General Sound ROM v1.05b - https://github.com/psbhlw/gs-firmware
diff --git a/roms/tsconf.r01 b/roms/tsconf.r01
index 6135f46..689ad72 100644
Binary files a/roms/tsconf.r01 and b/roms/tsconf.r01 differ