Most N455 boards support up to 2GB of DDR3 RAM.
The "Inf Update" utility. Always install this first. Graphics (VGA): Intel GMA 3150. Network/Wireless: Usually Atheros, Broadcom, or Realtek. Audio: Typically Realtek High Definition Audio. SATA/AHCI: For better hard drive performance. Performance Tips for N455 Users intel r atom tm cpu n455 166ghz drivers
Search for your (e.g., "Acer Aspire One D255 drivers"). Look for the "Support" or "Downloads" section. 2. Intel’s Legacy Archive Most N455 boards support up to 2GB of DDR3 RAM
Since the N455 was used in specific netbook models (like the ASUS Eee PC, Acer Aspire One, or HP Mini), the best drivers are often hosted by the laptop manufacturer rather than Intel. Acer Aspire One