115 VAC 230 VAC 100 VAC
LAN enabled
LAN disabled LAN enabled LAN disabled LAN enabled LAN disabled
Windows Busy Typ (S0) 244 W 238 W 245 W
Windows Busy Max (S0) 308 W 306 W 314 W
Sleep (S3)*
5.1 W 4.3 W 5.4 W 4.7 W 5.1 W 4.5 W
Off (S5) 2.6 W 1.6 W 2.6 W 1.9 W 2.3 W 1.6 W
* Energy Star low energy mode.
This product is in compliance with US executive order 13221, WOL (wake on LAN) disabled.
Table 1-10 Heat dissipation**
115 VAC 230 VAC 100 VAC
LAN enabled
LAN disabled LAN enabled LAN disabled LAN enabled LAN disabled
Windows Idle (S0) 488 BTU/hr 481 BTU/hr 491 BTU/hr
Windows Busy Typ (S0) 832 BTU/hr 812 BTU/hr 836 BTU/hr
Windows Busy Max (S0) 1051 BTU/hr 1046 BTU/hr 1070 BTU/hr
Sleep (S3)*
17.4 BTU/hr 14.7 BTU/hr 18.4 BTU/hr 16.1 BTU/hr 17.4 BTU/hr 15.4 BTU/hr
Off (S5) 78.9 BTU/hr 65.5 BTU/hr 8.9 BTU/hr 6.5 BTU/hr 7.8 BTU/hr 5.5 BTU/hr
* Energy Star low energy mode.
** Heat dissipation calculation is based on measured watts, assuming the service level is attained for one hour.
This product is in compliance with US executive order 13221, WOL (wake on LAN) disabled.
NOTE: When you power down your workstation with the power button on the front panel, the power
consumption falls below 10 W. To reach zero power consumption, unplug the workstation from the power
outlet or use a power strip with a switch. For additional information on power-saving features, see your
operating system documentation.
System fans
The workstation includes two rear system fans, one memory fan, one CPU heatsink fan for each
processor, and one power supply fan. An optional front system fan is available for special considerations.
Resetting the power supply
If an overload triggers the power supply overload protection, all power is immediately disconnected. To
reset the power supply unit:
1. Disconnect the power cord.
2. Determine what caused the overload and fix the problem.
3. Reconnect the power cord and reboot the workstation.
Table 1-9 Energy consumption (continued)
ENWW Product specifications 9
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