Service manual

Appendix C Functional Description C-27
Note – Power values listed in the following table translate to worse-case current
requirements. Peak current requirements are greater. Note that the amount of power
dissipated as heat is not listed. Also, the maximum delivered power is not the same
as the sum of the output powers because of configuration restrictions and peripheral
power-dissipation limits that are smaller than peak current requirements. All
component power supply budget values are measured as a function of wattage.
TABLE C-6 Ultra 2 Series Workstation/Server Power Supply Budget
Component 3.3VDC
Programmable
(2x) 5VDC +12VDC -12VDC
Maximum Power
Delivered
UltraSPARC module (2x)
1
1. Power supply budget measurements for two 168-MHz UltraSPARC modules. Power supply budget values for two 200-MHz
UltraSPARC modules are somewhat less.
30.0 70.0 0.0 0.0 0.0 100.0
Memory 0.0 0.0 45.0 0.0 0.0 45.0
Graphics(double-buffer, desktop
workstation only)
16.0 0.0 2.5 0.5 0.0 19.0
Motherboard 12.3 0.0 6.6 17.7 0.5 37.1
SBus (4 slots) 0.0 0.0 40.0 4.8 4.8 40.0
Disks (2x) 0.0 0.0 15.0
(or less)
28.8
(or less)
0.0 30.0
CD-ROM drive 0.0 0.0 6.0
(or less)
12.0
(or less)
0.0 12.0
4-mm tape drive 0.0 10.0 5.5 6.0 0.0 10.0
8-mm tape drive 0.0 0.0 12.0 8.4 0.0 15.0
Diskette drive 0.0 0.0 1.5 0.0 0.0 1.5
Keyboard/mouse
(desktop workstation only)
0.0 0.0 1.6 0.0 0.0 1.6
Output sized to 182.0 80.0 125.0 76.5 4.1
Total 311.2