It seems deliberate as if to dissuade.  

And no, simply flashing the card wouldn't give me the fix I need.  It would be in the .1.0 network after flashing the card unless you have an idea how to reset the 192.168.1.99 to another subnet on the card before it goes in the machine.

So, no.  Holding the reset for 90 seconds brings it to that, 192.168.1.99,  state.

The S5's wake up to DHCP so subnets are not a problem.  But water cooled has lower temps than hard fan like the S5.