Intel® Server Board SDS2 BIOS
Revision 1.2
Order Number: A85874-002 45
6.2.5 Error Messages and Error Codes
The system BIOS displays error messages on the video screen. Before video initialization, beep
codes inform the user of errors. POST error codes are logged in the System Event Log. The
BIOS displays POST error codes on the video monitor.
6.2.5.1 ASF Progress Codes
The BIOS utilizes ASF Progress Events as described in the ASF Specification, Revision 1.0a
from the DMTF. The events that the BIOS supports are shown in the following table.
Table 25. Event Request Message Event Data Field Contents
ASF Code Description Comment
01h Memory initialization. At beginning of ECC initialization or memory test.
02h Hard-disk initialization At beginning of IDE device detection.
03h Secondary processor(s) initialization At beginning of MP Init
04h User authentication When waiting for User/Supervisor password
05h User-initiated system setup When Setup is invoked
06h USB resource configuration When USB devices scan/initialization begins
07h PCI resource configuration At beginning of configuring PCI devices in system.
08h Option ROM initialization At beginning of Option ROM scan
09h Video initialization At beginning of initialization primary video controller (if
present)
0Ah Cache initialization At beginning of setting up processor cache
0Bh SM Bus initialization At beginning of configuring SMBus to communicate
with BMC
0Ch Keyboard controller initialization At keyboard discovery scan
0Dh Embedded controller/management
controller initialization When first checking for functional BMC
12h Calling operating system wake-up
vector When waking from Wake-On-LAN, Wake-On-Ring,
Magic Packet, etc.
13h Starting operating system boot
process, e.g. calling Int 19h Immediately prior to calling INT19h
6.2.5.2 POST Codes
The BIOS indicates the current testing phase to I/O location 80h and to LCD on the front panel
during POST after the video adapter has been successfully initialized. If a Port-80h card
(Postcard*) is installed, it displays this 2-digit code on a pair of hex display LEDs.
Table 26. Port-80h Code Definition
Code Meaning
CP Phoenix* check point POST code