Arcom Controllers RC210 (M128 CPU) firmware v2.1

Arcom Controllers · Released Jul 18, 2003 · First seen Sep 9, 2026

Source: arcomcontrollers.com

v2.1 is not the latest firmware for the Arcom Controllers RC210 (M128 CPU): the current version is v6.0454 (January 5, 2021). Go to v6.0454

In short — summary by updatemystuff.com

Fixed time announcement bug and control code programming issue.

  • Time announcements corrected
  • Control code programming restored

Written from Arcom Controllers's release notes, which are printed in full below.

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What's in this update

Fixed programming routine bug that didn't allow owner to ​program all control codes properly Fixed clock bug where it didn't properly speak the time at the top of the hour (for ​example, it didn't say "5 PM", it said "5 N")

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Other versions for this product

See the full firmware history for the RC210 (M128 CPU)