H3C S5600 Series Operation Manual page 1115

Operation Manual – System Maintenance and Debugging
H3C S5600 Series Ethernet Switches
packet using the agreed method. If the check succeeds, the receiving program sends
acknowledgement characters and the sending program proceeds to send another
packet. If the check fails, the receiving program sends negative acknowledgement
characters and the sending program retransmits the packet.
II. 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 bit/s
Please change the terminal's baudrate to 115200 bit/s and select XMODEM
protocol
Press enter key when ready
Note:
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.
Chapter 1 Boot ROM and Host Software
1-4
Loading