How do you boot the smp systems (J30, J40 , R40, and so on) in service mode?
To boot a J30 into the IPL ROM Menu, complete the following steps:
        STAND-BY MENU
        0 Display Configuration 
        1 Set Flags 
        2 Set Unit Number 
        3 Set Configuration 
        4 SSbus Maintenance 
        5 I2C Maintenance
  	
        MAINTENANCE MENU
        0 Display Configuration 
        1 Display Bump Error Log 
        2 Enable Service Console 
        3 Disable Service Console 
        4 Reset 
        5 Power-off 
        6 System Boot 
        7 Off Line Tests 
        8 Set Parameters 
        9 Set National Language
  	
        0 Boot From List 
        1 Boot From Network 
        2 Boot from SCSI Device