On Wed, Oct 18, 2017 at 03:22:44PM +0000, Peter Stuge wrote:
[...] I usually wire a small pin header to the flash chip on mainboards that I want to do development on.
Check out the Lenovo X3550-M5 mainboard:
https://www.flickr.com/photos/osr/37497785771/in/photostream/lightbox/
ZIF socket for the SOIC-16 flash, a 6-pin programming header and a silkscreen label identifying the function of the flash chip. The BMC and PCH flash chips have similar headers and labels (but not the ZIF).