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Insyde MobilePro BIOS POST Beep Code and POST Messages
The POST error message index lists the error message and their possible causes. The most likely cause is
listed first.
NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU
replacement does not solve the problem, put the original part back in the computer. Do not replace a
non-defective FRU.
This index can also help you determine the next possible FRU to be replaced when servicing a computer.
If the symptom is not listed, see "Undetermined Problems" on page 62.
The following lists the error messages that the BIOS displays on the screen and the error symptoms classified
by function.
NOTE: Most of the error messages occur during POST. Some of them display information about a hardware
device, e.g., the amount of memory installed. Others may indicate a problem with a device, such as the
way it has been configured.
NOTE: If the system fails after you make changes in the BIOS Setup Utility menus, reset the computer, enter
Setup and install Setup defaults or correct the error.
Beep Code
short, short, short; short,
short, long
short, short, short; short,
long, short
short, short, short; short,
long, long
short, short, short; long,
short, short
short, short, short; long,
short, long
short, short, short; long, long
short
short, short, short; long,
long, long
short, short, long; short,
short, short
short, short, long; short,
short, long
N/A
N/A
N/A
N/A
N/A
57
Message
"FAULTY DMA PAGE REGISTERS"
"FAULTY REFRESH CIRCUIT"
"ROM CHECKSUM INCORRECT"
"CMOS RAM TEST FAILED"
"DMA CONTROLLER FAULTY"
"INTERRUPT CONTROLLER
FAILED"
N/A
N/A
N/A
"KEYBOARD CONTROLLER
FAILURE"
"KEYBOARD FAILURE"
"CMOS FAILURE - RUN SCU"
"CMOS CHECKSUM INVALID - RUN
SCU"
"RAM ERROR AT LOCATION
xxxxxx:
WROTE: xxxx
READ: xxxx"
Description
DMA page registers do not function properly.
RAM refresh circuit does not function properly.
BIOS ROM checksum failed.
CMOS RAM test failed.
DMA controller does not work properly.
The interrupt controller does not work properly.
Keyboard controller failed to respond
with the self-test command.
No video device found.
No RAM installed.
Keyboard controller failed during
system inquiry about connected
devices.
The keyboard fails to respond or no
keyboard is connected.
CMOS data error, probably due to
battery power loss.
CMOS checksum error.
The RAM failed during memory test at
the indicated location.
Chapter 4
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