+---------------------+--------------------+ | Type | Value | +=====================+====================+ | Socketed flash | no | +---------------------+--------------------+ | Size | 8 MiB | +---------------------+--------------------+ | In circuit flashing | Yes | +---------------------+--------------------+ | Package | SOIC-8 | +---------------------+--------------------+ | Write protection | No | +---------------------+--------------------+ | Dual BIOS feature | No | +---------------------+--------------------+ | Internal flashing | Yes | +---------------------+--------------------+
Please also have a look at :doc:`../../flash_tutorial/index`.
There's one 8MiB flash which contains IFD, GBE, ME and BIOS regions. On Lenovo's UEFI the EC firmware update is placed at the start of the BIOS region. The update is then written into the EC once.