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Intel® SHG2 DP Server Board Technical Product Specification Error Reporting and Handling
Revision 1.0 Intel Order Number C11343-001
47
the LCD Display Control command), a BIOS message will override a software message written
to the BIOS area.
Normally, the BIOS will use the BIOS LCD Message command that will cause the BMC to
display a BMC-stored message in the BIOS message area (first line) of the LCD.
6.5.4.2 Message Format
During POST, the LCD panel displays the following:
0h 1h 2h 3h 4h 5h 6h 7h 8h 9h Ah Bh Ch Dh Eh Fh
0 A A P P S J P 2 X X X
1
Where:
AA = ASF Progress Code
PP = Port 80h Code
SHG2 = Platform Code
XXX = BIOS Build Number
During POST task (TP B9h), the following message is displayed:
0h 1h 2h 3h 4h 5h 6h 7h 8h 9h Ah Bh Ch Dh Eh Fh
0 P r e P A r e T o B o o t
1
When POST Error occurs, the following message is displayed. It displays up to 6 messages as
shown below starting on Row0, Column0:
0h 1h 2h 3h 4h 5h 6h 7h 8h 9h Ah Bh Ch Dh Eh Fh
0 N N N N , N N N N , N N N N ,
1 N N N N , N N N N , N N N N ,
6.5.4.3 Virtual LCD
The BMC implements a virtual LCD that provides LCD command functionality even if a physical
LCD is not present in the chassis. This allows BIOS messages to be retrieved by a remote
console independently of chassis configuration.
6.5.4.4 OEM Extensibility
In order to allow OEMs to provide LCD functionality in their own chassis, the BIOS provides
LCD Control Services via INT15. These will automatically be directed to a satellite intelligent
IPMI controller at slave address 22h on the IPMB.