The default setting of PEG Max link speed is Auto. The system will initial pcie to train the pcie link speed and capability during cold boot. After a warm reset, pcie reset time might cause pcie re-train unstable and system cannot recognize the card. Due to the Raid ARC-1203 card is PCIE 2.0 Gen2, we suggest that forcing pcie speed down to Gen2.
Tags: ARC-1203, initialization