FOUND Romboard

[RepairGuy95]

Jaleco mega system 1 & Na1/2 short ROM board
Can be blank.

 

[RepairGuy95]

Bump

 

[RepairGuy95]

Bump

 

[twistedsymphony]

I've had a Namco NA1 short ROM board listed for sale for a few years now (check the link in my sig). I might have a spare Soldam or Astyanax JMS1 ROM board I'd have to dig it out of storage to check