Intel
®
EP80579 Integrated Processor with Intel
®
QuickAssist Technology—Error Messages and
Beep Codes
Development Kit User’s Guide October 2008
68 Order Number: 320067-002US
7.0 Error Messages and Beep Codes
7.1 Pre-boot Firmware Beep Codes
The Intel
®
EP80579 Development Board speaker provides audible error message (beep
code) information during POST. Table 35 provides information about the beep codes:
7.2 Pre-boot Firmware Error Messages
Whenever a recoverable error occurs during POST, the Pre-boot Firmware displays an
error message describing the problem. Table 36 lists the error messages and provides a
brief description of each.
7.3 Debugging the EFI
During Intel
®
EP80579 Development Board power-up, the Pre-boot Firmware
generates debug messages that can be used to determine the point / module at which
an error occurred. Several messages are displayed from the memory initialization, SEC,
PEI, and DXE phase. The debug messages can be accessed through the serial port
when the serial port is configured according to the settings in Table 34 on page 51.
§ §
Table 35. Beep Code Types
Type Pattern Frequency
Memory error Three long beeps 1280Hz
Thermal warning
Four alternating beeps: High tone,
low tone, high tone, low tone
High tone: 2000Hz
Low tone: 1600Hz
Table 36. Pre-boot Firmware Error Messages
Error Message Description
CMOS battery low The battery may be losing power. Replace the battery soon.
CMOS checksum bad
The CMOS checksum is incorrect. CMOS memory may have
been corrupted. Run setup to reset the values.
Memory size decreased
Memory size has decreased since the last boot. If no memory
was removed, then memory may be bad.
No boot device available System did not find a device to boot.
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