BK-5 OR

Backing Keyboard

System ProgramBK-5 OR System Program Version 1.04

This system program updates your BK-5 OR to the latest version 1.04.

Products:BK-5 OR



How to tell the version
Please check the version of the system working on your BK-5 OR before downloading the archive file.
  1. Press the [ MENU ] button.
  2. Select GLOBAL and press the [ ENTER ] button.
  3. Select UTILITY and press the [ ENTER ] button.
  4. Scroll up to the end of the list to reach the Version Info Label.
* Don't perform the update if the product is already up-to-date.


Version history
[ Ver.1.04 ]
* Please read "BK-5 OR Addendum" ( BK-5_OR_AddendumV104_e1.pdf ) for details about all the functional improvements contained in this software.
[Functional Improvements]
  • Introduced the selection of FAVORITE TONES.
  • Introduced the QUICK RECALL OF PERFORMANCES.
  • Introduced the COPY and RENAME of PERFORMANCES.
  • Introduced the Harmonium 1, Harmonium 2, Harmonium 3 in the PAD/ETHNIC tone families.
  • Introduce the RESET of KEY VALUE by pressing KEY button again when KEY Pop UP is opened.
  • Improved One Touch Edit screen. The names of recalled Tones for each part is now shown.
  • Improved Volume screen recalled by pressing [LWR] + [UP2]. The Reverb, Chorus and Pan Pot is now changeable in that screen.
[Bug Fixes]
The following bugs were fixed.
  • Improved behaviour of OCTAVE POP UP.
  • Solved a bug into the Munich Rock style.
  • Solved a bug into Rhythm Composer.
[ Ver.1.03 ]
* Please read "BK-5 OR Addendum" ( BK-5OR_Addendum_e1_W.pdf ) for details of this software.
[Functionality Improvements]
  • Introduced the compatibility with Lyrics Viewer, User Scale, and BK Partner apps for iPad.
  • Octave Pop Up Added:
    [NUMERIC] + [ONE TOUCH] or [MELODY INTELL] -> OCTAVE DOWN / UP for UP1
    [UP2] + [ONE TOUCH] or [MELODY INTELL] -> OCTAVE DOWN / UP for UP2
    [LWR] + [ONE TOUCH] or [MELODY INTELL] -> OCTAVE DOWN / UP for LWR
[ Ver.1.02 ]
[Functionality Improvements]
  • BK-5 OR "Roland Wireless Connect" compatibility.
    Please refer to the "About the Wireless LAN Function ( BK-5OR_e2_Wireless_W.pdf )" for detailed information.
  • BK-5 OR Sound interruption removed while changing Tone banks
  • BK-5 OR New Arabic Styles added
[Bug Fixes]
The following bugs were fixed.
  • Rhythm Composer not working from Midi:
    Fixed Many Controllers:
    Chorus,
    Reverb,
    Sustain,
    Expression,
    Panpot,
    Modul,
    Pitch bender.
  • Into rhythm composer count is now set to "1 measure" as default value.
    Fixed also the Wait Note Mode (not working after the first time).
  • Into rhythm composer track length is impossible to set to "0" value.
  • The metronome function remains in ON exiting from the rhythm composer mode.
  • Into rhythm composer Quantize now memorizes the current selected value on previous rhythm track.
  • Chord recognition Pianist now work also through external keyboard connected via MIDI.
  • "Operation complete" message now appears into rhythm composer after copy operation is completed.
  • The function Ending/Ritardando is added by double pressing the ending button.
  • Into Rhythm composer sometimes the track disappear if you change CC00 - solved.
  • The save of one touch at the second save shows the message to create the area -> press yes -> "device full" appears. "Device full" message removed.
  • Small other bugs are solved into Rhythm Composer.
  • Mizmar solo now works properly while using the scale tune.
  • The scale tune switch and scale tune settings can now be saved inside Default Performance (Default Performance is the start up Performance)


Items to prepare for the update
Following items are required to perform the update.
  • BK-5 OR itself
  • USB Flash Memory ( Roland's M-UF2G is recommended )
    * The USB Flash Memory need to be formatted on a BK-5 OR.
  • A computer with a USB connector ( Windows, Mac )


Cautions with the update
  • Never apply this update data to any product other than the BK-5 OR. This update data may destroy the data or system program of other products.
  • Never power-off your BK-5 OR while the update is in progress!
    If a power failure or similar accident occurs during the update process, the BK-5 OR won’t be able to start up in normal operating mode. This will require servicing, so you will need to contact Roland service center near you if this occurs.
  • We regret that we are unable to answer questions regarding the update procedure using this system program. Please perform the update responsibly, following the directions given in this document.


How to update

  1. Expand the downloaded file "bk5or_sys_v104.zip" (6 files):
    - PROGRAM.BIN
    - release.txt
    - rom.bin
    - startup
    - update
    - waverom.bin
  2. First delete all existing files from the USB memory then copy the above content (6 files) to the USB memory's root folder.
  3. After verifying that the BK-5 OR power is off, plug the USB memory into the BK-5 OR's USB MEMORY port.
  4. Keeping the [ WRITE ] button pressed, power on the BK-5 OR.
    Hold the WRITE Button until the "Update Mode:" text appears on the top line of the LCD of BK-5 OR.
  5. Wait until the end of the update; the display will show "SUCCESS ".
    Note: The update procedure takes about 20 minutes. During the update the LCD content may change a few times.
  6. Switch off the BK-5 OR.
  7. Execute a Factory Reset.
    ( Refer to The "Factory Reset" section from the Owner's manual for details. )



License Agreement

Be sure to read the Safety Instructions and the License Agreement before proceeding download.

Download file

Supplementary file

[BK-5OR_e2_Wireless_W.pdf]
ダウンロード (1.5 MB)

[BK-5orRhythmList_V102_W.pdf]
ダウンロード (226.0 KB)

[BK-5OR_Addendum_e1_W.pdf]
ダウンロード (5.3 MB)

[BK-5_OR_AddendumV104_e1.pdf]
ダウンロード (6.4 MB)

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