=== FITPC4ERR001: Power LED ===
* '''Date''': 28-Apr-2014
* '''Symptom''': Power (Logo) LED enabled at all power states (S0, S3, S4 and S5), even during SW shut down
* '''Fix''': Fixed in revision 1.2
=== FITPC4ERR002: Memory organization ===
* '''Date''': 22-Jul-2014
* '''Symptom''': When single memory module installed on inner slot (P6) it may cause the system not to pass memory initialization
* '''Fix''': Populate the slot closer to PCB edge (P7)
=== FITPC4ERR003: RTC Battery ===
* '''Date''': 11-Feb-2018
* '''Symptom''': fit-PC4 circuit of RTC battery-on-a-wire has reversed polarity. fit-PC4 that is disconnected from power will exhibit the following behavior: