Roland MKS-80 Revision 4: [CPU = Rom A, V. 4] [Moduleboards = Rom B, V. 2]

This is OS firmware for revision 4 and is the latest official released operation system by Roland. This operation system update/upgrade requires three eprom chips.

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. 4] must be insert on the CPU board on IC 8
• 2 x [ROM B, V. 2] must be insert on the Module board/Voice Boards on IC 4

Note:

• Fully verified before shipping and professionally packaged in anti-static material.
• Downgrading from revision 5 will require hardware modifications.