使用console登录设备提示为
Username:
password:
断电重启设备，按Ctrl + B进入引导程序
Starting......
************************************************************************
* *
* H3C S5120-52P-SI BOOTROM, Version 113 *
* *
************************************************************************
Creation Date : Jun 1 2009
CPU L1 Cache : 32KB
CPU Clock Speed : 333MHz
Memory Size : 128MB
Flash Size : 128MB
CPLD Version : 002
PCB Version : Ver.B
Mac Address : 3CE5A612B6A0
Press Ctrl-B to enter Extended Boot menu...0
Please input BootRom password:
BOOT MENU
阅读一下选项
1. Download application file to flash 加载flash应用文件
2. Select application file to boot 选择引导应用文件
3. Display all files in flash 显示flash中所有文件
4. Delete file from flash 删除flash中文件
5. Modify BootRom password 修改bootRom密码
6. Enter BootRom upgrade menu 进入bootRom引导栏
7. Skip current system configuration 跳过当前系统配置
8. Set BootRom password recovery 覆盖bootRom密码
9. Set switch startup mode
0. Reboot
Enter your choice(0-9): 7
The current setting will run with current configuration file when reboot.
Are you sure you want to skip current configuration file when reboot? Yes or
No (Y/N):Y
Setting...Done!
BOOT MENU
1. Download application file to flash
2. Select application file to boot
3. Display all files in flash
4. Delete file from flash
5. Modify BootRom password
6. Enter BootRom upgrade menu
7. Skip current system configuration
8. Set BootRom password recovery
9. Set switch startup mode
0. Reboot
Enter your choice(0-9): 0
Starting......
************************************************************************
* *
* H3C S5120-52P-SI BOOTROM, Version 113 *
* *
************************************************************************
Creation Date : Jun 1 2009
CPU L1 Cache : 32KB
CPU Clock Speed : 333MHz
Memory Size : 128MB
Flash Size : 128MB
CPLD Version : 002
PCB Version : Ver.B
Mac Address : 3CE5A612B6A0
Press Ctrl-B to enter Extended Boot menu...0
Starting to get the main application file--flash:/S5120SI-CMW520-R1101P02.
bin!..........................................................................
The main application file is self-decompressing................................
...............................................................................
.............................Done!
System is starting...
Configuration file is skipped.
User interface aux0 is available.
Press ENTER to get started.
<H3C>
原文：http://maguangjie.blog.51cto.com/11214671/1892851