Acer 2400 Manual Do Utilizador
Chapter 4
61
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.
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.
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 72.
The following lists the error messages that the BIOS displays on the screen and the error symptoms classified
by function.
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.
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
Message
Description
short, short, short; short,
short, long
short, long
“FAULTY DMA PAGE REGISTERS”
DMA page registers do not function properly.
short, short, short; short,
long, short
long, short
“FAULTY REFRESH CIRCUIT”
RAM refresh circuit does not function properly.
short, short, short; short,
long, long
long, long
“ROM CHECKSUM INCORRECT”
BIOS ROM checksum failed.
short, short, short; long,
short, short
short, short
“CMOS RAM TEST FAILED”
CMOS RAM test failed.
short, short, short; long,
short, long
short, long
“DMA CONTROLLER FAULTY”
DMA controller does not work properly.
short, short, short; long, long
short
short
“INTERRUPT CONTROLLER
FAILED”
FAILED”
The interrupt controller does not work properly.
short, short, short; long,
long, long
long, long
N/A
Keyboard controller failed to respond with the
self-test command.
self-test command.
short, short, long; short,
short, short
short, short
N/A
No video device found.
short, short, long; short,
short, long
short, long
N/A
No RAM installed.
N/A
“KEYBOARD CONTROLLER
FAILURE”
FAILURE”
Keyboard controller failed during system inquiry
about connected devices.
about connected devices.
N/A
“KEYBOARD FAILURE”
The keyboard fails to respond or no keyboard is
connected.
connected.
N/A
“CMOS FAILURE - RUN SCU”
CMOS data error, probably due to battery power
loss.
loss.
N/A
“CMOS CHECKSUM INVALID - RUN
SCU”
SCU”
CMOS checksum error.
N/A
“RAM ERROR AT LOCATION xxxxxx:
WROTE: xxxx
READ: xxxx”
WROTE: xxxx
READ: xxxx”
The RAM failed during memory test at the indi-
cated location.
cated location.
N/A
“PARITY ERROR AT UNKNOWN
LOCATION”
LOCATION”
Parity error during memory test at unknown
location.
location.
N/A
“PARITY ERROR AT LOCATION
XXXXXX”
XXXXXX”
Parity error during memory test at the indicated
location.
location.