Kontron KTAM3874-pITX - Manual (Page 289)

KTD-S0057-I Page 285 Appendix B: User Space on Onboard Flash
KTAM3874/pITX Software Guide
The same tool allows the extraction of the tgz-file but first you should check the current date - if the system
date is older than the file date the extraction tool generates error messages. As a second condition you
need root rights. The only way to do this leads trough the terminal program.
The next pictures illustrate the approach.