with a Turbo-R GT the press ESC you loose the datas of the internal SRAM 
I have Dos2 with the Padial SDMMC. But anyway it is incredible to know! 
@Marq
Some people have inverted the ESC-key function by patching the ROM, but I would definately take the ROM completely away if you still have it inside. I don't know any situation where the ROM would be needed by any external software. Standard MSX-Audio has BASIC extension, but Phillips Music Module does not have it. How ever few years ago an upgrade was made by FRS & SuperSoniqs that makes Music Module 100% MSX-Audio compatible and replaces the stupid original software. This solves the problems with Compile games. Other than that there is little use for unless you need the extended sample RAM or BASIC features.
I do have a lot of wires btw see picture:
DOS 2 rom
Normal rom
the DOS2 required an IC for decode it ,this extra IC is added near MIDI IN , with green wire
whoaou your slot is crunched have you a rabbit 
you're right didn't even notice 
the damage was from a bad acid trip
I prefer the FRS/Supersonics solution, because it makes MSX AUDIO work in MSX BASIC, and it make Japanese cartridges and disk games detect the darn thing automatically.
You can play FM PAC/MSX MUSIC songs with your MSX AUDIO (if you have the board NYYRIKKI posted about) just by loading them from disk and replacing "CALL MUSIC" command with "CALL AUDIO".
Also, having a DOS2 cartridge is pointless if you use a interface which contains DOS2 in itself, too...
A ESE-SCC or ESE-RAM can be used as SRAM DISK and DOS2 cartridge. Also it's very easy to build.