The service (ser) menu has things we shouldn't dink with, but here it is.
Main Menu: Enter command or menu > ser
---- Service Menu ------------------------------------------------------------
Command Description
------- -----------
CLEARPIM Clear (zero) the contents of PIM
SCSI [option] [ path ] [ val ] Display or set SCSI controller values
MemRead address [ len ] Read memory and I/O locations
PDT [CLEAR] Display or clear the PDT
PIM [ proc ] [HPMC|LPMC|TOC] Display PIM information
ProductNum O|C [ number ] Display or set Product Number
SerialNum Read serial number
ScRoll [ON|OFF] Display or change scrolling ability
SELftests [ON|OFF] Enable/disable self test execution
BOot [PRI|ALT| path ] Boot from specified path
DIsplay Redisplay the current menu
HElp [ command ] Display help for specified command
RESET Restart the system
MAin Return to Main Menu
----
Service Menu: Enter command >
Go back to ma.