Acer R700 User Manual
113
Bootblock Error Beep Codes
Bootblock Error Beep Codes:
Beeps
Error message
Description
1
Refresh timer failure
The memory refresh circuitry on the
motherboard is faulty.
motherboard is faulty.
2
Parity error
Parity can not be reset.
3
Base memory failure
Base memory test failure. **See "3-
Beep-Boot Block Failure Error Code"
table for additional error details.
Beep-Boot Block Failure Error Code"
table for additional error details.
4
System timer
System timer is not operational.
5
Processor failure
Processor failure detected.
6
Keyboard controller
Gate A20 failure
Gate A20 failure
The keyboard controller may be bad.
The BIOS cannot switch to protected
mode.
The BIOS cannot switch to protected
mode.
7
Processor exception
interrupt error
interrupt error
The CPU generated an exception
interrupt.
interrupt.
8
Display memory read/
write error
write error
The system video adapter is either
missing or its memory is faulty. This is
not a fatal error.
missing or its memory is faulty. This is
not a fatal error.
9
ROM checksum error
System BIOS ROM checksum error.
10
Shutdown register
error
error
Shutdown CMOS register read/write
error detected.
error detected.
11
Invalid BIOS
General BIOS ROM error.
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