14 | Barracuda 4LP Installation Guide, Rev. B |
[2]Standard factory units are formatted 512 data bytes per sector with sparing equivalent to eighty spare sectors per eight cylinder region. Spares are located at the end of each sparing region.
[3]Includes controller overhead.
Table 2a. DC power requirements (Amps)
|
|
|
|
| ST34371/ST34571 |
| ||
|
|
|
|
| N/W/WC | WD/DC |
| |
|
|
|
|
|
| Differential | ||
Voltage | +5V | +12V | +5V | +12V | ||||
Regulation [5] | ±5% | ±5%[2] | ±5% | ±5%[2] | ||||
Max. operating current |
|
|
|
| ||||
DC3σ [1] | 0.81 | 0.95 | 1.21 | 0.95 | ||||
|
|
|
| [1] | 0.46 | 0.54 | 0.70 | 0.54 |
Avg. idle current DCX | ||||||||
Max. starting current |
|
|
|
| ||||
(peak DC) DC3σ [3] | 0.78 | 2.44 | 1.1 | 2.44 | ||||
(peak AC) AC3σ [3] |
| 3.1 |
| 3.1 | ||||
Delayed motor start (max) |
|
|
|
| ||||
DC3σ [1][4] | 0.48 | 0.20 | 0.90 | 0.20 | ||||
Peak operating current |
|
|
|
| ||||
|
| [1][6] | 0.75 | 0.76 | 1.05 | 0.76 | ||
Typical DCX | ||||||||
Maximum DC3σ [1] | 0.81 | 0.95 | 1.21 | 0.95 | ||||
Maximum (peak) 3σ | 1.5 | 2.5 | 2.0 | 2.5 | ||||
Notes for this table follows Table 2b.
