Troubleshooting
ROBO-8910VG2A User’s Manual
5-5
Step 6: The figure below is the TOGGLE SWITCH, which is used to switch the ATX
Power on/off for SBC. Usually the TOGGLE SWITCH is located on the
chassis front panel. Pressing the switch button once will turn power on, and
press again to turn it off. (Figure 5-8)
Figure 5-8
Unboot problem
Symptom : SBC keeps beeping, and no screen has shown.
Solution :
In fact, each beep sound represents different definition of error message.
Please refer to table as following:
Beep sounds
Meaning
Action
One long beep with one
short beeps
DRAM error
Change DRAM or reinstall it
One long beep constantly DRAM error
Change DRAM or reinstall it
One long beep with two
short beeps
Monitor or Display
Card error
Please check Monitor connector
whether it inserts properly
Beep rapidly
Power error warning
Please check Power mode
setting
Symptom : There is neither no beeps nor screen output.
Solution :
Indeed, you might want to check the system with the stand-alone to
identify the root cause by isolating the board from other possible system
devices such as PCI device, Backplane, and so on. If the system still cannot
boot up, please fill out RMA form which is provides on Portwell website,
and then send back to Portwell Inc. as a RMA goods. Besides, you also visit
RMA site (http://www.portwell.com.tw/rma/login.asp) to check RMA
report if necessary.
