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3 X Eproms for Roland MKS-80 Revision 5: [CPU = Rom A, V. 5] [Moduleboards = Rom B, V. 3]
This is OS firmware for revision 5 and is the latest official released operation system by Roland.
You can determine the current CPU board software version by holding [AUTO TUNE] & [WRITE], while you power the device.
Revision information:
Revision 4 has serial numbers up to and including 511799.
Revision 5 has serial number 511800 and later.
Feature:
Improved - Auto Tune routines after long hours performance.
Installation/content:
1 x [ROM A, V. 5] must be insert on the CPU board on IC 8
2 x [ROM B, V. 3] must be insert on the Module board/Voice Boards on IC 4