Firmware for the Lenovo IdeaPad 100-15IBD on board NM-A681, an LCFC design, with the name stating a Winbond W25Q64 flash chip, which is 64 Mbit or 8 MB.

First numbered copy of the ITE and Winbond BIOS archive for the Lenovo IdeaPad 100-15IBD on board NM-A681, a 3.77 MB RAR file.

Working BIOS dump for the Lenovo IdeaPad 100-15IBD on board NM-A681, revision 1.0, with CG410 and CG510 in the name, in a 3.62 MB RAR.

Lenovo IdeaPad 100-15IBD BIOS for the LCFC NM-A681 board, packed as a 3.73 MB RAR, with the name pointing to a Winbond W25Q64 flash chip.

BIOS archive for the Lenovo IdeaPad 100-15IBD, with CG410 and CG510 identifiers in the name, which appear to be the board or platform codes.

Firmware for the Lenovo IdeaPad 100-15IBD built on the NM-A681 motherboard, with CG410 and CG510 appearing as the board family codes in the name.

Firmware set for the Lenovo IdeaPad 100-15IBD on board NM-A681, a number in the LCFC (Lenovo) scheme, packed as a 3.82 MB RAR.

Firmware set for the Lenovo IdeaPad 100-15IBD on the LCFC NM-A681 board. The name indicates separate ITE and Winbond images, most likely the ITE embedded-controller…

BIOS package for the Lenovo IdeaPad 100-15IBD on LCFC board NM-A681, with separate files for the ITE embedded controller and the Winbond SPI flash.