Sun Microsystems Blade 1500 Service, Diagnostics, And Troubleshooting Manual page 204

FIGURE 10-3
Though you have powered off your workstation, you have not removed all power
from your workstation.
Caution – Pressing the Power button does not remove all power from the system.
Standby power remains until the power cord is removed.
6. Remove all power to the workstation.
Disconnect the power cord from the system to reduce risk of electric shock.
When the power cord is disconnected, it is safe to open the workstation to gain
access to internal components.
7. Proceed to
10-8 Sun Blade 1500 Service, Diagnostics, and Troubleshooting Manual • December 2004
Disconnecting the Keyboard, Mouse, Monitor, and Network Connections
"Removing the Access Panel" on page 10-12.