EVOC M60 Series, Manual, Page: 119 / 124

Appendix
· 110 · M60 SERIES
11.2 Common Alarm Information Analysis and Solution
Alarm Information Meaning and Solution
EFI BIOS. After the product is booted,
the screen displays alarm yellow
information “Warning system time is
invalid ， please se
Mo g
t it to right”.
therboard CMOS time settin
error, which needs to be corrected
After bootup of motherboard, the screen
shows: “Reboot and Select proper Boot
device or Insert B oot Media in selected
Boot device and press a key”.
The current disk cannot be booted,
and the system HDD cable needs to be
rechecked, or use optical drive for
reinstallation of operating system.
Award BIOS motherboard. During Power
On Self Test (POS displays T), the screen
error information: “Keyboard error or no
keyboard present”.
The motherboard or complete PC is
not connected to PS/2 or USB
keyboard, and keyboard needs to be
connected properly.
EFI BIOS. During motherboard Power
On Self Test (POST),
“beep-beep-beep-beep-beep” five beeps
can be heard.
The motherboard or complete PC is
not connected to PS/2 or USB
keyboard, and keyboard needs to be
connected properly.
Redundant power supply equipped with
the complete PC. Aft red er the PC is powe
on, the PC power supply gives off
piercing alarms.
The redundant power supply is not
connected to two AC plugs. The PC
should be powered off, and connect
the two AC plugs.
11.3 ESD Guideline
Definition of ESD
All the electronic modules are equipped with .
Due to their own design, thes co
over-voltage, so they tremely sensit
ESD-sensitive assemblies/modules are usua
large-scale integrated IC or assemblies
mponents are extremely sensitive to
ive to any ESD.
lly called ESD devices. It is also the
e electronic
are also ex