Error Messages And Beep Codes; Pre-Boot Firmware Beep Codes; Pre-Boot Firmware Error Messages; Debugging The Efi - Intel EP80579 User Manual

7.0
7.1
Table 35.
7.2
Table 36.
7.3
Development Kit User's Guide
68
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®
Intel EP80579 Integrated Processor with Intel

Error Messages and Beep Codes

Pre-boot Firmware Beep Codes

®
The Intel EP80579 Development Board speaker provides audible error message (beep
code) information during POST.

Beep Code Types

Type
Memory error Three long beeps
Four alternating beeps: High tone,
Thermal warning
low tone, high tone, low tone

Pre-boot Firmware Error Messages

Whenever a recoverable error occurs during POST, the Pre-boot Firmware displays an
error message describing the problem.
brief description of each.

Pre-boot Firmware Error Messages

Error Message
CMOS battery low
CMOS checksum bad
Memory size decreased
No boot device available

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
®
QuickAssist Technology—Error Messages and
Table 35 provides information about the beep codes:
Pattern
1280Hz
High tone: 2000Hz
Low tone: 1600Hz
Table 36 lists the error messages and provides a
Description
The battery may be losing power. Replace the battery soon.
The CMOS checksum is incorrect. CMOS memory may have
been corrupted. Run setup to reset the values.
Memory size has decreased since the last boot. If no memory
was removed, then memory may be bad.
System did not find a device to boot.
§ §
Beep Codes
Frequency
Table 34 on page 51.
October 2008
Order Number: 320067-002US