129,130c129
< test_sys.iobridge = Bridge(delay='50ns', nack_delay='4ns',
< ranges = [test_sys.physmem.range])
---
> test_sys.iobridge = Bridge(delay='50ns', ranges = [test_sys.physmem.range])
165,166c164,165
< drive_sys.iobridge = Bridge(delay='50ns', nack_delay='4ns',
< ranges = [drive_sys.physmem.range])
---
> drive_sys.iobridge = Bridge(delay='50ns',
> ranges = [drive_sys.physmem.range])