hp workstations zx6000, hp server rx2600 - operation and maintenance guide

Troubleshooting
Using the System’s LEDs and e-buzzer to Troubleshoot
Chapter 4
158
Troubleshooting with the System’s e-buzzer
When your system starts up, the system firmware performs pre-boot diagnostics to test
your hardware configuration for any problems. If a problem is detected during pre-boot,
the pre-boot diagnostics will emit an audio signal through the workstation’s internal
speaker.
The pre-boot diagnostics emits an audio sequence with two kinds of sounds. The first is
an unusual series of tones that indicate an anomaly has been detected. This series of
sounds also contains an electronic signal that can be sent through a telephone line to an
authorized help desk or HP Support, if necessary. This signal cannot be interpreted by
the human ear. However, it can be decoded by help desk equipment to extract the
workstation model, serial number and details about any faults. To send this signal to HP
Support, you need to hold your telephone next to the e-buzzer Icon on the system’s front
bezel. See Figure 4-8.
Figure 4-8 e-buzzer Label for Desk-side and Rack-mounted Systems
e-buzzer
Icon
e-buzzer Icon
Desk-side System’s Bezel
Rack-mounted System’s Bezel