Technical Documents KD631-C236/KD631-Q170 QR (PDF) 472.26KB 2020/10/26 (UTC-6) KD631-C236/KD631-Q170 Manual (PDF) 3.89MB 2020/02/23 (UTC-6) KD631 CPU/Memory Compatibility List (PDF) 237.89KB 2020/03/24 (UTC-6)