Sun-microsystems 220R Manual de usuario Pagina 276

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PCI Cards
The PCI card power budget supports a total of 60 watts, which is distributed among
four PCI cards in an arbitrary way as long as the total PCI power does not exceed 60
watts.
The following table lists 5 VDC PCI card power estimates
Voltage Rail
(VDC)
PCI Cards
(Maximum
Number)
Current Each
(Amps)
Current Total
(Amps)
Total Power
(Watts)
5 4 3.0 12.0
3.3 0 0 0
+12 4 0.4 1.6
-12 4 0.1 0.4
<= 60 for all
voltage rails
combined
.
The following table lists 3.3VDC PCI card power estimates.
Voltage Rail
(VDC)
PCI Cards
(Maximum
Number)
Current Each
(Amps)
Current Total
(Amps)
Total Power
(Watts)
5000
3.3 4 4.5 18.0
+12 4 0.4 1.6
-12 4 0.1 0.4
<= 60 for all
voltage rails
combined
Memory System
The following table lists the memory system power budget.
Number of DIMMs WC Current Total (Amps) Total Power @5 VDC (Watts)
16 9.33 46.66
276 Sun Enterprise 220R Server Service Manual January 2000, Revision A
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