Pci Cards; Memory System - Sun Microsystems Enterprise 220R Service Manual

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)
5
3.3
+12
-12
.
The following table lists 3.3VDC PCI card power estimates.
Voltage Rail
(VDC)
5
3.3
+12
-12

Memory System

The following table lists the memory system power budget.
Number of DIMMs
16
276
Sun Enterprise 220R Server Service Manual
PCI Cards Current Each
(Maximum
(Amps)
Number)
4 3.0
0 0
4 0.4
4 0.1
PCI Cards Current Each
(Maximum (Amps)
Number)
0 0
4 4.5
4 0.4
4 0.1
WC Current Total (Amps)
9.33
January 2000, Revision A
Current Total Total Power
(Amps)
(Watts)
12.0
<= 60 for all
voltage rails
0
combined
1.6
0.4
Current Total Total Power
(Amps)
(Watts)
0
<= 60 for all
voltage rails
18.0
combined
1.6
0.4
Total Power @5 VDC (Watts)
46.66