3Com Baseline Switch 2900 Series Getting Started Manual page 52

Set the baud rate to 38400 bps (refer to "Change the rate of the serial port on the terminal" on page 5-6
for detailed operation).
If you select 38400 bps as the download rate, skip this step, that is, you do not need to modify the baud
rate of the HyperTerminal.
10) Restarting the switch to make the updated Boot ROM file effective
Press any key to return to the Boot ROM update menu.
1. Update full BootRom
2. Update extended BootRom
3. Update basic BootRom
0. Return to boot menu
Enter your choice(0-3):
Enter 0 to return to the Boot ROM menu, and then enter 0 again. After that, the device is restarted and
the updated Boot ROM file becomes effective.
11) Loading an application file
To load the application file of the switch, enter 1 in the Boot ROM menu. The system displays the
following information:
1. Set TFTP protocol parameter
2. Set FTP protocol parameter
3. Set XMODEM protocol parameter
0. Return to boot menu
Enter your choice(0-3):3
Enter 3 to upload an application file using XMODEM.
The procedure of loading an application file is similar to that of loading a Boot ROM file. The difference
lies in that you need to name the Load File name to write the application program to the flash memory
and specify the application file attribute after loading
Load File name : default_file update.bin
Free space: 70885376 bytes
Writing flash..................................................................
..........Done!
Please input the file attribute (Main/Backup/None) M
Done!
If an application file with a specific attribute already exists when you set a new file with the attribute, the
attribute of the existing file becomes none after the new file becomes effective.
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