Intel SE8500HW4 Bedienungsanleitung Seite 69

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Intel® Server Board Set SE8500HW4 Electrical Specifications
Revision 1.0
Intel order number D22893-001
57
8. Electrical Specifications
8.1 Power Generartion
Input power to the Mainboard is 12V and 3.3V
stby
; all other required voltages are generated by
Voltage Regulator Down (VRD) circuits and Voltage Regulator Modules (VRMs) on the
Mainboard. The processor core voltages for processor sockets 1 and 2 are generated by VRDs
and processors 3 and 4 get their core voltage from VRMs. One VRD generates the cache
voltage for processors 1 and 2, and a VRM 9.1 provides cache voltage for processors 3 and 4,
when those sockets are used by 64-bit Intel
®
Xeon™ Processors MP with up to 8MB L3 cache.
Figure 13 illustrates the power generation in the Intel
®
Server Board Set SE8500HW4.
Figure 13. Power Distribution Block Diagram
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