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"Not an Ack" Error when Updating Firmware on a Flash Memory Controller

Problem: When attempting to update firmware on a flash memory Omni or Lumina controller, the update begins and the flash is erased. When the update begins, it proceeds for a few seconds, then stops and in a small box, a Not an Ack message is displayed.

Solution: Check the jumpers under the U29 chip socket. Jumper JP10 should cover the center and right hand pins. Jumper JP15 should cover both pins.

Article ID: 1404