How to set bios reboot order?

Hi Dear,

https://support.huawei.com/enterprise/en/doc/EDOC1000010853?section=j009

The SmartNVR server has been set to start from the CD-ROM drive during delivery. If you have not changed the boot device priority, go to Installing the System.

1. Log in to the BMC. On the page for remote control, click  and choose Power On.
    NOTE:

   If the server is started, choose Cold Reset.

2. During startup, press Del to display the BIOS setting page.
3. ChooseBoot > Boot Device Priority, and press Enter. 
   The window for configuring boot device priority is displayed, as shown in Figure 7-14.
   Figure 7-14  Configuring boot device priority 
   
   
4. Set the parameters by referring to Table 7-1.
   Table 7-1  Setting parameters

   Parameter	Value
   1st Boot Device	CD/DVD
   2st Boot Device	SCSI:#0400 ID000 LN0 LSILOGIC L
   3st Boot Device	Disabled
   4st Boot Device	Disabled

5. Press F10 to save the settings and exit.