asus K53E-SX0022R on a sticker on the memory slot: K53E MB: K53SD Rev: 2.0 (UMA) bios ver: 205 CPU: INTELL SR04R (I3-2310M) FGH: BD82HM65 SPI: MX25L32 backup from the working device
please try Asus K53SD REV : 5.1 working bios and reply Asus K53SD REV 5.1 W25Q32BVSIG 205 working bios.rar