A: Yes. The "M" version uses identical DSP firmware. However, the front panel LEDs will not change behavior.
A: Yes. The updater contains a full image, not a differential patch. Just be prepared for a longer flash time (approx. 20 minutes). driverack 260 updater v161 updated
However, software evolves, and sometimes, proprietary updaters become the bottleneck. For those still running a DriveRack 260 (or the nearly identical 260M), there is one search term that signals a breakthrough: A: Yes
Published: October 2023 (Updated Coverage) driverack 260 updater v161 updated