要将 S50 重置为出厂默认设置，请按以下说明操作。
- 通过控制台连接到 S50N/V 设备
- 波特率 = 9600
- 字符大小 = 8
- 流控制 =已禁用
- 停止位 = 1
- 奇偶校验 =无
- 关闭并重新打开 S50 的方法是，断开并重新连接电源线或键入 reload，然后在特权执行模式下键入 yes
- 在 S50 启动过程中当出现提示时按任意键进入 BOOT_USER 模式
U-Boot 1.1.4 (F10 Development) (Oct 6 2009 - 03:14:26)
Built by build at hydrogen on Tue Oct 6 3:14:25 2009
S-Series Boot selector Label 2.8.2.0
CPU: 8541, Version: 1.1, (0x807a0011)
Core: E500, Version: 2.0, (0x80200020)
Clock Configuration:
CPU：660 MHz, CCB：330 MHz,
DDR: 165 MHz, LBC: 41 MHz
L1: D-cache 32 kB enabled
I-cache 32 kB enabled
Board: S50 Force10 Networks
Watchdog enabled
DRAM: Initializing
DDR: 256 MB
Top of RAM usable for U-Boot at: 10000000
Reserving 122k for U-Boot at: 0ffe0000
Reserving 136k for malloc() at: 0ffbe000
Reserving 76 Bytes for Board Info at: 0ffbdfb4
Reserving 72 Bytes for Global Data at: 0ffbdf6c
Stack Pointer at: 0ffbdf48
New Stack Pointer is: 0ffbdf48
Now running in RAM - U-Boot at: 0ffe0000
L2 cache 256KB: enabled
Using default environment
PCI Scan: Found Bus 0, Device 22, Function 0
PCI Scan: Found Bus 0, Device 23, Function 0
In: serial
Out: serial
Err: serial
U-Boot relocated to 0ffe0000
Net: No ethernet found.
### main_loop entered: bootdelay=1
### main_loop: bootcmd="bootm 0xffe80000;setenv verify no;autoscr 0x1700000
bootm fe6000f0"
Hit any key to stop booting: 0
## Booting image at ffe80000 ...
Image Name: netbsd
Image Type: PowerPC NetBSD Standalone Program (uncompressed)
Data Size: 383216 Bytes = 374.2 kB
Load Address: 00040000
Entry Point: 00040004
Verifying Checksum ...OK
Watchdog Disabled
Loading Standalone Application ...OK
Unit 0
Unit 1
Registering ethernet driver for unit 0
Registering ethernet driver for unit 1
None of the boot parameters are configured!!
So Booting from flash!!
You can use U-boot native networking facilities
============================================================
Hit any key to break into BOOT_USER mode: 0 < ------------- hit any key
Starting F10 BLI Shell ...
BOOT_USER #
4.在 BOOT_USER 提示符下输入“restore factory-defaults”命令
BOOT_USER #restore factory-defaults
Erasing NVRAM contents...
Successfully erased NVRAM contents
Erasing Filesystem sectors...
Successfully erased filesystem sectors
Erasing boot parameters...
Successfully erased boot parameters
Please reload for restore factory-defaults to take effect.
5.输入“reload”命令并执行，S50N/V 系统将通过出厂默认配置启动（无需在启动过程中按任意键）
BOOT_USER #reload
!
!
Force10>
Force10>en
Force10#00:07:00: %STKUNIT0-M:CP %SEC-4-ENABLE_PASSW_NOT_CONFIGURED: Enable password is required for authentication but not configured
00:07:00: %STKUNIT0-M:CP %SEC-3-AUTHENTICATION_ENABLE_SUCCESS: Enable password authentication success on console
6. 交换机现在为出厂默认值并可从此处配置
Force10#config t
Force10(conf)#