Should I un-mod this CPS-III, for Darksoft to work?

[Arcade-Projects]

Hi all. I noticed a couple of mods were done on my CPS3 board, and wonder if anyone can shed light on them.

1. A couple of pins from the DL-2929 custom IC are wired in parallel to a resistor, terminating onto pins of the IC labeled 12F (HA16103FPJ). (see image)
2. PIN 1-14 on CN5 is jumped over to R73, on the solder side. (see image)

I purchased this CPS3 to use with Darksoft Ultra SIMMs. Upon boot, the region selector comes up as expected. But when I select any region, nothing happens...

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Source: https://www.arcade-projects.com/threads ... ork.28442/