Pal Agnus in NTSC A2000?

[psxphill]

Can I use an 8372A Pal Agnus in my US Amiga 2000?
If so, is there a simple way to switch between Pal and NSTC modes?

8372A are all dual PAL/NTSC, the default mode is set by a trace on the motherboard & can be changed at run time.
 
I'm assuming you already have an NTSC 8370, in which case yes.

[psxphill]

I took the jumper off my amiga's ntsc/pal jumpers and hardwired in a switch which now allows me to power up in either mode for different programs, just make sure the unit is off when you flip the switch.

What happens if you don't?