You might need to update the ROM IC to 1.08. Press and hold down the Value button while powering up your MKS-70 to display the ROM version. http://members.iquest.net/~twilight/info.html#faq "Some of the newer Librarian and SysEx programs require the newer ROM IC versions to work properly with the MK...

Does anyone know where I can get one? The cap only, not the switch. I've been looking everywhere but am having no luck.

I'm also looking for some of the instrument slide switches too. Part No. RL-13159105

Thanks!

I got 2 MKS-70s and 2 Roland M-64C carts all for $60 a few months ago. Both are working but the display is out on one of them. Also got a AX-60 for $80 late last year.

I'm using micronAU. If you're using a Mac check it out.

http://mysite.verizon.net/retroware/