same here, bought a KoV Super Heroes from Sheepnova (last one he had)github.com/mamedev/mame/blob/master/src/mame/drivers/pgm.cpp
I'm not ashamed to admit that as soon as I saw this thread I went on ebay and scooped the first last Knights of Valour Super Heroes and Knights of Valour 2 that I found.
Darksoft: CPS2, ST-V, F3, MVS
RGB: HAS v2.1
Undamned: 2x DB15 USB dec
marqs: OSSC v1.5 (audiomod)
superg: GSCART switch v3.4
Vector-Labs: NAMCO SYS1 4 in 1 (vert)