Using Dmitools - Acer Aspire 5755 Service Manual

Using DMITools

The DMI (Desktop Management Interface) Tool copies BIOS information to EEPROM. Used
in the DMI pool for hardware management.
When the BIOS shows Verifying DMI pool data, it is checking that the table correlates
with the hardware before sending it to the operating system (Windows, etc.).
To update the DMI Pool, perform the following:
1. Boot to DOS.
2. At the prompt, enter dmitools with one of the following arguments:

/r ==> Read dmi information from memory

/wm ==> Write Manufacturer Name to EEPROM (max. 16 characters)

/wp ==> Write Product Name to EEPROM (max. 20 characters)

/ws ==> Write Serial Number to EEPROM (max. 22 characters)

/wu ==> Write UUID to EEPROM (ignore string)

/wa ==> Write Asset Tag to EEPROM (max. 32 characters)
The following examples show the commands and the corresponding output information:
Read DMI Information from Memory
Write Product Name to EEPROM
Write Serial Number to EEPROM
Write UUID to EEPROM (Create UUID from Intel WFM20.pdf)
Write Asset Tag to EEPROM
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Input:
dmitools /r
Output:
Manufacturer (Type1, Offset04h): Acer
Product Name (Type1, Offset05h): Aspire xxxxx
Serial Number (Type1, Offset07h): 01234567890123456789
UUID String (Type1, Offset08h): xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
Asset Tag (Type3, Offset04h): Acer Asstag
Input:
dmitools /wp Acer
Input:
dmitools /ws 01234567890123456789
Input:
dmitools /wu
Input:
dmitools /wa Acer Asstag
0
0
0
0
0
0
0
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