The DKC5R is the external controller used with first-generation (Mark I) MX80 and MX95 Disklaviers. It records and plays Yamaha’s older E-SEQ song format from low-density (2DD) floppy disks and can be adapted for Bluetooth MIDI, CD playback, instrumental accompaniment, or a USB floppy-drive emulator.
At a Glance
- Generation
- Mark I external control unit
- Associated Models
-
Mark IMX80MX95
- Uses
-
2DD floppy
- Recording
-
E-SEQ
- Plays
-
E-SEQ
- PianoSoft Types
-
Solo
- Upgrade Options
-
MIDI/app playbackBluetooth MIDIAnalog/audio accompanimentDCD-1Media/storage replacementGotekNalbantovTone generator / ensemble upgradesMU50 / TG100
- Bluetooth MIDI Apps
- Manuals
Things to Know
A generic USB emulator such as the Gotek will fit in the DKC5R. Best results are with a Gotek running FlashFloppy firmware, or with a Nalbantov.
This controller cannot play an ordinary .mid file from its floppy drive. My APS MIDI Prep Tool floppy guide shows how to convert a MIDI file to E-SEQ and create the PIANODIR.FIL directory the Disklavier expects.
If a computer reports an original Yamaha Disklavier floppy as unformatted, do not format it. My Disklavier floppy-recovery guide explains why this happens, and my tested USB floppy-drive guide identifies hardware that can read 720 KB/2DD disks.
Nalbantov replacements are model-specific. My Nalbantov floppy-upgrade guide identifies the standard, slim, and dedicated versions; do not assume that a generic Gotek—or any Nalbantov—will fit.



