Ahlborn Organum II (AhlbornOrganumII103.zip)

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Ahlborn Organum II (AhlbornOrganumII103.zip)

February 3, 2021 | | No Comments

1)  Check the O.S. version installed into the instrument proceeding as follows:

a) Turn ON the instrument.

b) Press and hold the (F) or (S) thumb piston, under the manual I keyboard, and press one of cursor button, [<] or [>] under the display, the display shows the Operating system version as follow:

Org.II (c_ll) v.#.##




where: c is country version I=Italian D=German F=French N=Dutch

ll is the cabinet version RT=Rocker Tabs DK=Draw Knobs

#.## is the currently running Operating System version.

mmm.dd.yy is the date of file in the format month.day.year.

Pressing again the [>] button you scrool in the display the info of other files loaded in the instrument.

c) Turn OFF the instrument from the POWER ON/OFF switch.

2) If necessary, set the PC to upgrade the instrument O.S. with last version:

a) Install the suitable upgrade program between the followings, therefore follow the instructions that will appear onto PC screen:

NOTE: click just one time over link and wait some minutes till installation program starts.

Upgrade to version 1.03 click here >>>


b) Using the RS232 cable (GM code 130429), connect the PC serial port COM1 or COM2 to the instrument COMPUTER port on its backside.

NOTE: this cable is a standard type that you can buy in any musical instrument shop, or you can self made it using the schematic specified on troubleshooting section.

3) Execute the O.S. upgrade as follows:

a) Run the Upgrade program from START-PROGRAMS-AHLBORN UPGRADES-ORGANUM …,.-, the following screen appears:

Note: Do not upload different version into same instrument, use only GERMAN or ITALIAN or FRENCH separately.

b) By means of the OPTIONS / SETTING menu set the same COMx serial port where you have connected the cable previously.

NOTE: the program is set initially on PROGRAM to upload directly and faster the new OS, if you desire you can check the connection before upload the new OS setting TEST AND PROGRAM, in this case the upload total time is doubled.

Do not set a communication speed upper to 115200 baudrate; the upper speed are reserved to fast serial interfaces that are not installed on standard PC.

c) Click on GO! or from the ACTION menu click on EXECUTE, the program shows the screen:

d) Turn ON the instrument to start with transfer of new O.S.; during the transfer, the instrument is not operative and the various phases are visualized only onto PC screen.

Wait until the transfer is done; it takes about 1 hour at 115000 baud rate.

Time Upgrade type
1h 30′ ALL
1h 20′ Sound Archive
2′ OS only
45″ Factory Setup
2′ OS only (from 1.01 to 1.02)

IMPORTANT: if during the first phase of programming onto PC appears the following screen:


To avoid a permanent stop of CPU board that could require its substitution.

e) At the end of transferring the PC shows this screen:

Turn OFF the instrument from the backside POWER ON/OFF switch.

Now, press the STANDBY button while turning on the instrument from the backside switch: this operation force the decompression of new O.S. in the DRAM memory.

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Dave Williams

Original and sole proprietor of GEMWorks Europe, later renamed to GEMClub - Generalmusic Owners Club.

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