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diff --git a/Documentation/mainboard/lenovo/t410.md b/Documentation/mainboard/lenovo/t410.md new file mode 100644 index 0000000000..980c9590a9 --- /dev/null +++ b/Documentation/mainboard/lenovo/t410.md @@ -0,0 +1,44 @@ +# Lenovo T410 + +## Known issues +* Dock has wrong ACPI ID (causes "AC adapter state cannot be read" in Linux) +* TPM not working with VBOOT and C_ENV bootblock (works without C_ENV BB) + +## Flashing instructions +```eval_rst ++---------------------+--------------------------------+ +| Type | Value | ++=====================+================================+ +| Socketed flash | no | ++---------------------+--------------------------------+ +| Size | 8 MiB | ++---------------------+--------------------------------+ +| In circuit flashing | Only in S3/WoL | ++---------------------+--------------------------------+ +| Package | SOIC-8 | ++---------------------+--------------------------------+ +| Write protection | No | ++---------------------+--------------------------------+ +| Dual BIOS feature | No | ++---------------------+--------------------------------+ +| Internal flashing | Yes | ++---------------------+--------------------------------+ +``` + +The flash IC is located at the bottom center of the mainboard. Sadly, +access to the IC is blocked by the magnesum frame, so you need to disassemble +the entire laptop and remove the mainboard. + +Below is a picture of IC on the mainboard, with the pinouts labeled. + + + +The chip will either be a Macronix MX25L6405D or a Winbond W25Q64CVSIG. +Do not rely on dots painted in the corner of the chip (such as the blue dot +pictured) to orient the pins! + +[Flashing tutorial](../../flash_tutorial/no_ext_power.md) + +Steps to access the flash IC are described here [T4xx series]. + +[T4xx series]: t4xx_series.md |