Compaq ProLiant 6000 Series Setup And Installation Manual page 74

3-10 Server Operation
3. Observe the five power LEDs adjacent to Slot 1 when the system tries to
start. Do any of the five not come on when the system tries to start? If
so, that power plane is likely shorted to ground or another power plane.
4. Return the server to standby.
5. The following table lists major loads on each power plane. If you are
able to determine on which power plane(s) a short exists, use the table to
determine which loads to investigate first to clear the short. Also, look in
the area for foreign material or obvious damage.
1.5V, 2.5V
Core and Cache voltage
3.3V
AUX5V
5V
12V
-12V
6. If you cannot determine the problem by checking the specific area,
perform one or all of the following:
Power Plane
Reseat all I/O expansion boards.
Look for foreign material (screws, bits, slot bracket blanks) that
may be shorting components.
Check all system cables and external cables for misalignment, bent
pins, damage to wiring, crimps, or any abnormalities.
Check all connectors (cable, PCI slots, processor sockets, and so
on) for foreign material or bent pins.
For use with Pentium II Xeon and Pentium III Xeon processor-based servers only
Table 3-4
Power Plane Loads
Processor, Chipset
Processor, PPMs
Memory, PCI Slots
IMD, Interlock Chain
Storage media, PCI Slots, Modem Slot
Storage media, PPMs, PCI Slots, Modem
Slot
PCI Slots, Modem Slot
Area