Using The Lan Mac Eeprom Utility - Acer Aspire E1-521 Service Manual

Using the LAN MAC EEPROM Utility

In Windows OS, copy the following LAN MAC Tools to a bootable USB HDD device:
1.
• EEPROM.EXE (This is the writing tool of EEPROM)
• MAC.BAT (This is the batch file for writing MAC value)
• MAC.CFG (This is the configuration and data file for EEPROM.exe)
Use a text editor (e.g. Notepad) to open MAC.CFG.
2.
The file content is shown below. If necessary, modify the data.
• WriteData='001122334455'
• StartAddr=7A
• WriteLeng=6
• KeepByte=0
System Utilities
Figure 2:30. Copying LAN MAC Tools
Figure 2:31. Opening Text Editor
Figure 2:32. LAN MAC Values
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