Sun Microsystems Sun Fire X4100 M2 - Manual (Page 26)

18 Sun Fire X4100/X4100 M2 and X4200/X4200 M2 Servers Installation Guide • May 2007
■ Emergency shutdown: Press and hold the Power button for four seconds to force
main power off and enter standby power mode.
When main power is off, the Power/OK LED on the front panel will begin flashing,
indicating that the server is in standby power mode.
Caution – To completely power off the server, you must disconnect the AC power
cords from the back panel of the server.