Status Display Digital Leds Function; Overview; Figure 4-9 Status Display Digital Leds - Hitachi HF-W7500 65 Feature Manual

4. CHECKING THE HARDWARE STATUS

4.4 Status Display Digital LEDs Function

4.4.1 Overview

When an event that must be reported to a user such as hardware failure occurs, this
function notifies the event to a user by displaying a code on the status display digital
LEDs located on the front of this equipment. Using this function, a user can know an
event such as hardware failure occurred.
In addition, a user application can output any code on the status display digital LEDs by
using library functions. A code is displayed in a two-digit hexadecimal number.
①
The status display digital LEDs remain lit even after the equipment is shut down or put
into standby mode. This condition remains until the power is turned on again.
② ③

Figure 4-9 Status Display Digital LEDs

4-18
The system status is displayed
in two-digit hexadecimal code.
Status indication LEDs
①: RAS status
②: Application status
③: BIOS status