Roland jd-990 V. 1.05 firmware upgrade Update EPROM [ latest OS ] jd990

FOR SALE
Version 1.05 Operating System Upgrade
 
for
 
ROLAND JD990

Features/improvements:

1.   In the performance mode , when a patch with " structure / sync `  is assigned to plural Parts and it is played , the sounding way get  wrong gradually and then the JD-990 may hang up at last. 2.   JD-990 may hang up when the JD-990 receives Program Change  message from an external MIDI device during playing . 3.   In case that " Atari Cubase " is used with JD-990 , the JD-990  hangs up when the Cubase is booted up . 4.   JD-990 may hang up when you change/edit a patch during playing  in the Performance mode. 5.   JD-990 outputs some wrong data after the JD-990 receives " RQ1 "  of " Performance Temporary Patch " . 6.   When " Performance Temporary Patch " is send back to the JD-990,  the " Effect " sound may be changed . 7.   JD-990 hangs up when the JD-990 recieves a large amount of System  Exclusive data during " Demo Play " .

8.   When JD-990 plays A3 ( Claves ) by Rhythm Set of SL-JD80-02

9.   JD-990 may hang up or return to the factory presets when the JD-  990 receives big MIDI data at short time during playing. 10.   Even setting the tone delay time to 5.0 sec. In Patch / WG , the delay time would be about 3 sec. This only occurs with Ver 1.03 and  1.04 .

11.  When loading a patch of JV-series , the rate of S&H/ Random LFO will be delayed.

12.   An algorithm of Chorus and Reverb has been adjusted to have more compatibility

with JV's patch. The nuance was different in case with previous version.

Hold [INC] and [DEC], while powering device to check current OS