I was browsing the items from Memory Master and they have a bunch of the PM6100/7100 ROM modules for about $13.
https://www.ebay.com/itm/175602575946?epid=1228687524
Posting in case there are folks with a machine where the ROM was pulled.
That's the 341-0741. I think it will also work in the 8100, but the 8100 shipped with 341-0757.
PM6100/7100 => 341-0741
PM8100 341-0757
PM9150/80 => 341-0752
PM9150/120 => 341-0759
https://www.ebay.com/itm/175602575946?epid=1228687524
Posting in case there are folks with a machine where the ROM was pulled.
That's the 341-0741. I think it will also work in the 8100, but the 8100 shipped with 341-0757.
PM6100/7100 => 341-0741
PM8100 341-0757
PM9150/80 => 341-0752
PM9150/120 => 341-0759