Technical specifications
8.6 BIOS description
SIMATIC IPC277G
Operating Instructions, 08/2021, A5E50059956-AA
103
7.
Click the "BIOS Update" button.
8.
Follow the instructions on the screen.
Reboots
There may be several reboots after a BIOS update. These reboots are initiated by the
Management Engine (ME). The reboots are required by the ME to adapt itself to the changes
of the BIOS update.
8.6.3
Alarm, error and system messages
During startup (the boot process), the BIOS first performs a
P
ower
O
n
S
elf
T
est (POST) and
checks whether certain functional units of the PC are operating error-free. The boot sequence
is immediately interrupted if critical errors occur.
BIOS initializes and tests further functional units if the POST does not return any errors. In this
startup phase, the graphics controller is initialized and any error messages are output to the
screen.
The error messages output by system BIOS are listed below. For information on error
messages output by the operating system or application programs, refer to the corresponding
manuals.
On-screen error messages
On-screen error message
Meaning / tip
Operating system not found Possible causes:
•
No operating system installed
•
Incorrect active boot partition
•
Wrong boot drive settings in SETUP
Keyboard controller error
Controller error.
Contact your technical support team.
SMART failure detected on
SSD
SSD reports pending failure through S.M.A.R.T.
CMOS battery failed
CMOS battery is not connected.
CMOS battery weak
CMOS battery is weak
Real-time clock has lost
power
The CMOS clock was operated without battery or with a battery that
was too weak, during battery change, for example. Check the CMOS
clock.
Keyboard error
•
Field PG: Internal keyboard defective and no external keyboard
connected
•
Other devices: Keyboard defective or not connected
