Roland JD-990 V1.05 OS EPROM.
Consists of 1 EPROM.
V1.05 Release Notes
Fixes numerous system bugs, voice allocation issues, file compatibility issues and user interface issues.
Improves expansion card compatibility.
Improves MIDI Sysex compatibility.
Improves overall MIDI functionality.
Check OS EPROM version
Your current OS EPROM version is displayed in the upper right corner when you boot up your Roland JD-990 while holding the [DEC] and [INC] buttons.
This EPROM is only compatible with the following Roland module:
**NOT COMPATIBLE with the Roland JD-800 keyboard.
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