Table 7-2. Worksheet for Calculating DC Power Usage

Current (maximum) at

voltage levels:

Device

+5 V

+12 V

1st 3.5-inch SCSI hard disk drive

2nd 3.5-inch SCSI hard disk drive

3rd 3.5-inch SCSI hard disk drive

4th 3.5-inch SCSI hard disk drive

5th 3.5-inch SCSI hard disk drive

6th 3.5-inch SCSI hard disk drive

7th 3.5-inch SCSI hard disk drive

8th 3.5-inch SCSI hard disk drive

9th 3.5-inch SCSI hard disk drive

10th 3.5-inch SCSI hard disk drive

SCSI tape drive

CD-ROM drive

IDE drive

Total Current

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Chapter 7 Power System

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Image 176
Intel MB440LX manual Current maximum at Voltage levels Device +12, Total Current