[coreboot] Re: How to choose my ‘‘mainboard vendor’’ for Sony laptops?

[HD Scania]

For example, in my nation i’m unable to buy any real SPI programmers, but just have USB flash storgaes instead, then are USB flash storages capable as alternative SPI programmers, with certain software packages on those USB flash storages?
And how to put those software on those USB flash storages?
And which of them (software) _might or might not_ be working and recommended to ‘‘externally’’ flash Coreboot on, and what are the minimal capacity requirements (or any other requirements) for those USB flash storages?
Finally, how to get the software files (those above mentioned) put on those USB flash storages?