At least one Chromebook (gru-kevin) has GD25LQ64C [1], which is a 1.8V
8MB SPI NOR flash chip. Although it can be flashed internally, it has to
be flashed externally when a broken image is flashed. I have been using
an unmodified bad CH341A with a 1.8V adapter which works fine so far.
Try to replace mentions of 3.3V with either nondescript terms like
"power" or "VCC", or both 1.8V and 3.3V, except where it's specifically
about 3.3V. Add warnings to check the part number and datasheet for the
rated supply voltage for the chips, and to make sure to match the
flashing hardware's supply to that.
[1] https://www.gigadevice.com/flash-memory/gd25lq64c/
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>