Table 7-2. Worksheet for Calculating DC Power Usage
| Current (maximum) at voltage levels: | ||||
|
|
|
|
|
|
Device | +3.3 V | +5 V | +12 V | ||
|
|
|
|
|
|
System board | 3.0 A | 1.8 A |
| 0.1 A | 0.1 A |
|
|
|
|
|
|
Second processor | 0 | 10.0 A |
| 0 | 0 |
|
|
|
|
|
|
RPX board | 0 | 3.0 A |
| 0 | 0 |
|
|
|
|
|
|
| 0.3 A |
|
|
| |
|
|
|
|
|
|
| 0.4 A |
| 1.0 A |
| |
|
|
|
|
|
|
Cooling fan 1, 92 mm |
|
|
| 0.43 A |
|
|
|
|
|
|
|
Cooling fan 2, 92 mm |
|
|
| 0.43 A |
|
|
|
|
|
|
|
Cooling fan 3, 92 mm |
|
|
| 0.43 A |
|
|
|
|
|
|
|
Cooling fan 4, 92 mm |
|
|
| 0.43 A |
|
|
|
|
|
|
|
Cooling fan 5, 92 mm |
|
|
| 0.43 A |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
ISA slot 1 |
|
|
|
|
|
|
|
|
|
|
|
ISA slot 2 |
|
|
|
|
|
|
|
|
|
|
|
ISA slot 3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Continued |
M440LX Server System Product Guide | 175 |