A770 A2+/A740X A2+
25
5.2 A
WARD
BIOS
B
EEP
C
ODE
Beep Sound
Meaning
One long beep followed by two short
beeps
Video card not found or v ideo card
memory bad
High-low siren sound
CPU overheated
System will shut down automatically
One Short beep when system boot-up No error found during POST
Long beeps every other second
No DRAM detected or install
5.3 E
XTRA
I
NFORMATION
CPU Overheated
If the system shutdown automatically after power on system for
seconds, that means the CPU protection function has been activated.
When the CPU is over heated, the motherboard will shutdown
automatically to avoid a damage of the CPU, and the system may not
power on again.
In this case, please double check:
1. The CPU cooler surface is placed evenly with the CPU surface.
2. CPU fan is rotated normally.
3. CPU fan speed is fulfilling with the CPU speed.
After confirmed, please follow steps below to relief the CPU protection
function.
1. Remove the power cord from power supply for seconds.
2. Wait for seconds.
3. Plug in the power cord and boot up the system.
Or you can:
1. Clear the CMOS data.
(See “Close CMOS Header: JCMOS1” section)
2. Wait for seconds.
3. Power on the system again.
