Compaq AlphaServer ES40 Service Manual page 265

CPU temperature. In this example four CPUs are present.
Temperature of PCI backplane: Zone 0 includes PCI slots 1–3, Zone 1
includes PCI slots 7–10, and Zone 2 includes PCI slots 4–6.
Fan RPM. With the exception of Fan 5, all fans are powered as long as the
system is powered on. Fan 5 is OFF unless Fan 6 fails.
The normal power supply status is either OK (system is powered on) or
OFF (system is powered off or the power supply cord is not plugged in).
FAIL indicates a problem with a supply.
CPU CORE voltage and CPU I/O voltage. In a healthy system, the core
voltage for all CPUs should be the same, and the I/O voltage for all CPUs
should be the same.
Bulk power supply voltage.
Using the Remote Management Console 7-19