Technical data

CHALLENGE/Onyx Diagnostic Road Map 4-15

• choosing whether or not to clear memory on system reset

• resetting the non-volatile RAM (NVRAM) conﬁguration

• choosing whether or not to run system power-on diagnostics

• entering power-on diagnostics (POD) mode

• choosing whether or not the System Controller selects the bootmaster CPU

• setting “manual mode,” where all CPU (IP19 and IP21) PROM console output is sent

to the external UART (serial port) on the System Controller

Figure 4-7 describes how to enter the Debug Menu and set the various switches.