Since firmware for these boards is often distributed in multiple parts (like the "part5.rar" mentioned), ensure you have all corresponding pieces from the same source before attempting an install:
For technical "papers" or diagrams regarding this specific board, you can access several service-level documents: Download MS338 PB801 1366x768 SAMSUNG 4GB 512MB part5 rar
: Professional layouts detailing resistors, capacitors, and power management circuits can be found on Scribd . Since firmware for these boards is often distributed