Asus X502CA MB: X402CA, rev2.1 Bios ver: 209
sabrinishan2020 Active member Jul 13, 2020 #1 Jul 13, 2020 #1 Laptop Model Asus X502CA MB: X402CA, rev2.1 Bios ver: 209 Bios Size in MB 8 Bios Type Main Asus X502CA MB: X402CA, rev2.1 Bios ver: 209