> Is it possible to have the gate from the A-100 bus trigger the A-141
> VCADSR (as it is for the A-140) Thanks, Matt

That's possible. For details please refer to our A-100 DIY page:

www.doepfer.com > PRODUCTS > A-100 > DIY page > 4.1.4. Subsequent bus
normalling of modules

Best wishes
Dieter Doepfer