Appendix E Selected On-Board Diagnostics 223
watch-clock
watch-clock reads a register in the NVRAM/TOD chip and displays the result as
a seconds counter. During normal operation, the seconds counter repeatedly
increments from 0 to 59 until interrupted by pressing any key on the keyboard.
CODE EXAMPLE E-3 identifies the watch-clock command output message.
CODE EXAMPLE E-3 watch-clock Command Output Message
ok watch-clock
Watching the ’seconds’ register of the real time clock chip.
It should be ’ticking’ once a second.
Type any key to stop
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