3Com 4210 PWR Configuration Manual page 473

Local Boot ROM and Software Loading 471
Loading Boot ROM
Follow these steps to load the Boot ROM:
Step 1: At the prompt "Enter your choice(0-9):" in the BOOT Menu, press <6> or
<Ctrl+U>, and then press <Enter> to enter the Boot ROM update menu shown
below:
Bootrom update menu:
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):
Step 2: Press 3 in the above menu to download the Boot ROM using XModem.
The system displays the following setting menu for download baudrate:
Please select your download baudrate:
1.* 9600
2. 19200
3. 38400
4. 57600
5. 115200
0. Return
Enter your choice (0-5):
Step 3: Choose an appropriate baudrate for downloading. For example, if you
press 5, the baudrate 115200 bps is chosen and the system displays the following
information:
Download baudrate is 115200 bps
Please change the terminal's baudrate to 115200 bps and select XMODEM protocol
Press enter key when ready
n
If you have chosen 9600 bps as the download baudrate, you need not modify the
HyperTerminal's baudrate, and therefore you can skip Step 4 and 5 below and
proceed to Step 6 directly. In this case, the system will not display the above
information.
Following are configurations on PC. Take the HyperTerminal in Windows 2000 as
an example.
Step 4: Choose [File/Properties] in HyperTerminal, click <Configure> in the pop-up
dialog box, and then select the baudrate of 115200 bps in the Console port
configuration dialog box that appears, as shown in Figure 157, Figure 158.