Motorola MVME2401-1 Installation And Use Manual page 40

Preparing and Installing the MVME2400-Series Module
1
1-24
Other MPUs on the VMEbus can interrupt, disable, communicate with,
and determine the operational status of the processor(s). One register of the
Universe set includes four bits that function as location monitors to allow
one MVME240x processor to broadcast a signal to any other MVME240x
processors. All eight registers are accessible from any local processor as
well as from the VMEbus.
Computer Group Literature Center Web Site