Thanks, I came across those threads yesterday as I was researching the issue. The only main board firmware I've found available to download is v4.47 which is what the replacement board has. I haven't seen anything older like v4.30 posted anywhere to download.
Yeah, I see no USB port or debug pins on the display panel like the main board has and I've never seen anyone talk about firmware updates to the display either.
I had to replace the GLX-PCB-PRO board in my Prologic PL-P-4 system due to the SWG circuit. The original board was configured with v4.30 software (090007-430-01) and the display software is v3.12. The replacement GLX-PCB-PRO board I got is configured with v4.47 software (090007-447-01). After...