This chip set will allow you to upgrade your Kurzweil K2000 to the latest firmware OS version, v3.87.

Determine your hardware version before purchase - K2000s come in 2 slightly different hardware versions: Calvin or Janice. Calvin boards require Calvin EPROMs and Janice boards require Janice EPROMs. To determine which version you have, start up your K2000 and look for the current OS version. If the version number has a "J" at the end, you have a Janice. If it's just a number with no J at the end, you have Calvin. You can also determine Calvin vs Janice by some minor hardware differences in the boards or by the stickers on your current EPROMs. See pics or message me with any questions.

Install Instructions - Warning - Installing this chips backwards may damage the chips and your K2000!

1. Shut down your K2000 and disconnect power

2. Carefully open your K2000 to expose the circuit board.

3. Find chips U2, U3, U5, and U6 as shown in the pictures. These are the chips you need to swap. Note - Some older units may only have 2 chips installed and will have 2 slots empty. Be sure to note the orientation of the notches on the chips.

Recommended - Take a picture now, just in case you forget!

4. Pull the chip straight out with the chip puller tool ensuring not to bend any pins.

5. Install the new chips in the correct slots ensuring you have the notches pointing in the same direction.

Note - You may need to carefully bend the chip legs slightly to align them with the socket holes.

6. Reinstall the cover, power up, and enjoy

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