Intel PCI User Manual

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Word 32h is used to store the version of the boot agent that is stored in the FLASH image. When 

the Boot Agent loads, it can check this value to determine if any first-time configuration needs to 

be performed. The agent then updates this word with its version. Some diagnostic tools to report 
the version of the Boot Agent in the FLASH also read this word. This word is only valid if the PPB 

is set to 0b. Otherwise the contents might be undefined.

2

DPS

Disable Protocol Select. 
If set to 1b, no changes to the boot protocol is allowed.
The default for this bit is 0b; allow changes to the boot protocol.

1

DTM

Disable Title Message. 
If set to 1b, the title message displaying the version of the boot agent is 
suppressed; the Control-S message is also suppressed. This is for 
OEMs who do not wish the boot agent to display any messages at 
system boot. 
The default for this bit is 0b; allow the title message that displays the 
version of the boot agent and the Control-S message.

0

DSM

Disable Setup Menu. 
If set to 1b, no invoking the setup menu by pressing Control-S is 
allowed. In this case, the EEPROM can only be changed via an 
external program. 
The default for this bit is 0b; allow invoking the setup menu by pressing 
Control-S.

15:12

MAJOR

PXE boot agent major version. The default for these bits is 0b.

11:8

MINOR

PXE boot agent minor version. The default for these bits is 0b.

7:0

BUILD

PXE boot agent build number. The default for these bits is 0b.