ST43401N/ND, ST43402ND User’s Manual, Rev. B | 15 |
Power requirements
The voltage and current requirements for a single drive at cylinder 0 are shown in Table 3. Ensure that your power supply meets these requirements.
Table 3. Single drive voltage and current requirements |
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| Current without Internal | Current with Internal | ||||
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| Terminator |
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| Terminator |
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| Seeking | Contin- |
| Seeking | Contin- |
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| and | uous |
| and | uous |
Voltage | Idle | Reading | Reading | Idle | Reading | Reading |
SCSI |
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+5V | 1.8A | 1.9A | 1.9A | 1.8A | 1.9A | 1.9A |
+12V | 1.8A | 1.8A | 1.8A | 1.8A | 1.8A | 1.8A |
Watts | 30.6W | 31.1W | 31.1W | 30.6W | 31.1W | 31.1W |
SCSI differential interface (ST43401ND) |
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+5V | 1.9A | 2.2A | 2.3A |
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+12V | 1.8A | 1.8A | 1.8A |
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Watts | 31.1W | 32.6W | 33.1W |
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SCSI |
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+5V | 3.0A | 3.6A | 3.7A |
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+12V | 1.8A | 1.8A | 1.8A |
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Watts | 36.6W | 39.6W | 40.1W |
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continued
