CM-T43: Linux: Known Issues

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RTC
  • RTC time and date is not maintained when unit is unplugged from power supply, even if an RTC backup battery is installed.
Fixed in U-Boot v2016.01-cm-t43-1
OPP
  • U-Boot versions 0.97 and below do not modify the PMIC voltages. The PMIC retains its settings between resets, and as a result if CM-T43 is switched to a low performance OPP (below 800 Mhz), on reset U-Boot will be using low performance voltage settings for a high performance CPU frequency and may not finish booting.
Fixed in U-Boot v2016.01-cm-t43-1