Specifications
Component Identification 
System Configuration Switch 
CAUTION: Clearing nonvolatile RAM (NVRAM) deletes the system configuration. For 
instructions on configuring the server, refer to the setup and installation guide. 
Table 4-7: System Configuration Switch Settings 
Position Default Description  Status 
1 Off Reserved  —  
2  Off  Lock configuration  Off = Configuration can be changed 
On = Configuration is locked 
3 Off Tower/rack configuration  Off = Tower configuration 
On = Rack configuration 
4  Off  Diskette boot  Off = Server uses RBSU diskette boot 
selection 
On = User can override RBSU diskette boot 
selection and boot from diskette 
5  Off  Password override  Off = Password protection is active 
On = User can override password 
6  Off  Clear CMOS and 
NVRAM* 
Off = No function 
On = Server configuration is erased at 
power-up 
7 Off Reserved**  —  
8 Off Reserved**  —  
* The server serial number must be re-entered through RBSU after clearing the NVRAM. Refer to 
“Re-entering the Server Serial Number” in Chapter 2. 
** Switch positions 1, 7, and 8 are reserved for authorized service providers only. 
HP ProLiant ML330 Generation 3 Server Maintenance and Service Guide  4-7 










