Pci Cards - Sun Microsystems Ultra 60 Service Manual

TABLE C-10
Description
SRAM
(8 data +1 tag)
CPU module core + I/O
CPU module I/O
BDB
(@ 2.5 Vdc, EPIC 4)
CPU module
CPU module

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 power estimate for the 3.3-Vdc PCI card.
TABLE C-11
Voltage Rail (Vdc)
5
3.3
+12
-12
C-40 Sun Ultra 60 Service Manual • August 2001
300-MHz (3.3-ns) CPU Module(s) Power Estimate
2.5-Vdc Core
Qty (amps)
ea.
9
1 13.33
1
2 1.04
1
1
lists the power estimate for the 5-Vdc PCI card and
TABLE C-11
PCI Card (5 Vdc) Power Estimate
PCI Cards
(Max No.)
3
1
4
4
3.3-Vdc System
(amps)
sub ea.
0.909
13.33
0.27
2.08
15.41
15.41
Current each Current total
(amps) (amps)
3.0 12.0
0 0
0.5 2.0
0.1 0.4
Watt Watt
(max) (max)
sub ea. sub
8.18 3.00 27.00
33.33 33.33
0.27 0.90 0.90
2.6 5.20
8.45 66.43
8.45 66.43
TABLE C-12
Total Power
(W)
<= 60
lists