Acer TravelMate 630 series, Service Manual

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Chapter 2 47
It is allowed to input 4 bytes on the manufacture name and will revise the record into EEPROM automatically.
4. Write MBD UUID
The MBD includes 32 bytes stored in EEPROM. There are two sub-functions:
a. Create and write a new UUID
This function is used when the original UUID is lost or damaged.
b. Write UUID by user key in
This function is used when the original UUID is kept. The user can use " Read Main Board Data"
function before to get it and have stored it.
5. Write MBD serial number
This function allows to write 19 bytes MBD serial number by user key in. The serial number can be found on
the backside of the machine.
a. Create and write a new UUID
This function is used when the original UUID is lost or damaged.
b. Write UUID by user key in -
This function is used when the original UUID is kept. User may use “Read Main Board Data” function
first to keep the UUID.