HP ProLiant 8500 Troubleshooting Manual Download Page 4 | Manualshive

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Section 3

TROUBLE-SHOOTING

On the next page is a basic trouble-shooting flowchart for the Proliant 8500 Pentium II Xeon system. This
flowchart is to assist in determining the cause of a system either not powering up, or one that powers up but
won’t boot (complete POST). Follow the flowchart to determine appropriate actions based on the
symptoms observed. The flowchart will also refer to tables indicating the state of a particular sub-system
based on the status of certain LEDs. Immediately after the trouble-shooting flowchart are the flow chart’s
decision boxes in a textual form with more details. The final section is reserved for additional
troubleshooting tips that can useful getting a system operational.

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Summary of Contents for ProLiant 8500

Page 1: ...uring POST and to display cautions and critical error messages POWER ON LED Located on the front panel beside power switch When pushed green indicates good 5V output from power supply Flashing amber indicates a system fault POWER SUPPLY LEDs Located on rear of unit next to AC power input Power Supply LED Table Table 1 1 Power supplies LEDs indictor definitions Green No fault detected in this power...

Page 2: ... not connected to interlocks The interlock LEDs can be view on the top of the system along with their corresponding label I O BOARD LEDs Definitions to be added later PORT 84 LEDs Port 84 LEDs will not be populated on production machines If a PCI Port 84 card is being used it must be installed in one of the primary compatibility bus slots 7 8 or 9 CAUTION Be aware that whenever power is applied to...

Page 3: ...PCI slots 10 and 11 PROCESSOR CORE BUS FREQUENCY RATIO SWITCH SW1 AND SW2 Located on Processor board on the left side of the memory board connector Table 1 3 Switch Bus Core 1 2 3 4 Ratio 0 0 0 0 1 2 0 0 0 1 1 6 0 0 1 0 1 4 0 0 1 1 1 8 0 1 0 0 1 3 0 1 0 1 1 7 0 1 1 0 1 5 0 1 1 1 Res 1 0 0 0 2 5 1 0 0 1 2 13 1 0 1 0 2 9 1 0 1 1 2 3 1 1 0 0 2 7 1 1 0 1 2 15 1 1 1 0 2 11 1 1 1 1 1 2 0 Closed 1 Open D...

Page 4: ... complete POST Follow the flowchart to determine appropriate actions based on the symptoms observed The flowchart will also refer to tables indicating the state of a particular sub system based on the status of certain LEDs Immediately after the trouble shooting flowchart are the flow chart s decision boxes in a textual form with more details The final section is reserved for additional troublesho...

Page 5: ...d Power Switch cable connected to Media Bay header E8 2 Reseat Memory board 3 Check Power Supply insertion 4 Check for bent or missing pins on the power supply connector Do you have video Yes No 1 Follow post messages Is the IMD ON Is there IMD activity No Yes 1 Check the LCD cable connection to Media Bay header E9 No Yes Are all the Voltage Indicator LEDs ON Yes No 1 Check system I O board power ...

Page 6: ...ts connector Check Power Switch and Power Switch cable connected to the header E8 in the rear of the Removable Media Bay Module Go to decision box 3 3 Is the AUX 5V LED ON on system I O board Is AUX 5V LED CR47 on the I O board ON The Aux 5v is the power source for the interlock LEDs If that power source isn t there the interlock LEDs won t light to indicate interlock problems That is also an indi...

Page 7: ...is reset during normal boot process Error logs don t go away only the displayed messages YES If there is IMD activity the progress through post can provide valuable information to where possible problems are Also error messages and alerts are displayed NO If there is no IMD activity it doesn t reset or display POST progress that is an indication that the system is possibly not coming out of reset ...

Page 8: ...G 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...

Page 9: ...here is a fan failure should the green LED turn OFF and the red LED turn ON The IMD will continue to display the initialization sequence progress IMD Integrated Management Display or the LCD 1 The IMD is off dark unless AC power is applied to the power supply and the 5v AUX is on 2 When it comes up it displays COMPAQ LCD MODEL 56022 LCD FIRMWARE 1 9 3 When AC power is first applied and it comes up...

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