Datasheet

Intel® Server Board S5500WB TPS Power Subsystem
Revision 1.9
Intel order number E53971-008
83
10. Power Subsystem
10.1 Server Board Power Distribution
Figure 32. Power Distribution Diagram
10.2 Power Supply Compatibility
The Intel
®
Server Board S5500WB is offered in two models:
 SSI SKU: This version of the server board is designed to work with an ―off-the-shelf‖
multi-rail power supply that adheres to the SSI power specification: ―Power Supply
Design Guideline for 2008 Dual-Socket Servers and Workstations‖. You can view SSI
specifications at the following website http://ssiforum.org.
 12V SKU: This version of the server board is designed to work with specially-designed
―single rail‖ power supplies that provide 12V and 5V standby current. The server board
has integrated, high-efficiency voltage regulators that produce other voltages required
(for example, 3.3 V, 5 V, and so forth) and can also supply 5 V power required by
hard drives.