User guide

component. The monitoring device must also be connected to the same
ground reference as the Digital Alpha VME 4 module.
The external watchdog reset signal is on pin C10 of the VMEbus J3 (P2)
connector on the breakout module. This signal is low during normal operation
and high during a watchdog timer reset (provided that pullup power is
connected).
Figure 2–8 Primary Breakout Module Jumpers
5 3 1
6 4 2
SCSI Termination
Enabled
Watchdog Pullup
5 3 1
6 4 2
SCSI Termination
Disabled
Watchdog No Pullup
MLO-013261
9. If your Digital Alpha VME 4 system has SCSI devices, connect the SCSI cable
to the primary breakout module (refer to Figure 2–9).
Installation Procedures 2–17