Troubleshooting Tips - HP PROLIANT 8500 Troubleshooting Manual

Section 4
A.) Unable to locate hard drives:
There is a small board that plugs into the I/O board that connects the SCSI bus. Without this board
installed, the system will not be able to locate the hard drives.
Section 5
Appendix A
PROLIANT 8500 Pentium III Xeon Minimum Configuration:
Refer to Quickfind' s Proliant 8500 Pentium III Xeon "Maintenance and Service Guide",
1.) Processors
• A minimum of one Processor needs to be installed in one the processor slots along with a VRM
(power module) for the socket. Unpopulated processor slots must have a termination card
installed for proper bus termination. No VRM' s are necessary for these slots.
• NOTE: If both Right and Left Processor buses are populated with processors the TAG RAM
modules must be installed.
2.) Power Supply
• At least one supply must be installed.
3.) Fans
• At least one I/O fan must be installed.
4.) Memory
• Minimum 128MB. At least two (60ns or faster) buffered ECC protected DIMM' s; SDRAM.
• Bank of 2 DIMMs: must be same type, size, speed and manufacturer
Appendix B:
OBSERVATIONS OF A TYPICAL POWER UP SEQUENCE
Under normal conditions, the following power-up sequence should be typical
(note: the power supply LEDs are located on back of the unit next to the AC power input):
• Unit is turned off and disconnected from any power source (power cord unplugged)
- Both power supply LEDs are OFF (clear)
- Integrated Management Display (IMD) is OFF (dark) - {this is the LCD on the front of
unit}
The typical power supply power-up sequence would be:
• Good facility power applied to unit (unit still turned off)
-
-
• Power switch turned ON

Troubleshooting Tips

Top LED OFF (clear) and Bottom LED ON (solid green)
IMD turns on and displays model and firmware information
8