1. System BIOS
Express5800/R320c-E4, R320c-M4 Maintenance Guide (Linux)
162
Chapter 3 Useful Features
Option
Parameter
Descriptions
POST Error Pause
[Disabled]
Enabled
Enable or disable the feature to suppress OS booting when
POST detects an error.
AC-LINK
Stay Off
[Last State]
Power On
Specify AC link feature. Specify how the DC power state
should be when the AC power is supplied again after loss
of power. (See the table below)
If
Power On
or
Last State
is selected, the system starts
after the time specified for
Power On Delay Time
has
elapsed and CPU/IO modules of both systems are installed
(180 seconds at longest).
Power On Delay Time
[50]-600
Specify the DC power-on delay time when
Power On
or
Last State
is selected for AC-LINK (Unit: second).
[ ]: Factory settings
The table below shows the operation of DC power when the AC power is turned off once and then back on, in
accordance with the
AC LINK
setting.
System status before AC power was turned off
AC LINK setting
Stay Off
Last State
Power On
Operating (DC power is ON)
Off
On
On
Abort (DC power is also OFF)
Off
Off
On
Forced shutdown*
Off
Off
On
* Continue pressing the POWER switch for at least 4 seconds to forcibly turn off the power.
Tips
If an uninterruptible power supply (UPS) is used for automatic operation, set the
AC-LINK
to
Power On
.