Seagate ST32272W Guide d'installation télécharger pdf (Page 20)

18 Barracuda 4XL Installation Guide, Rev. B

[5] See “Conducted noise immunity” in the

Barracuda 4XL Prod-

uct Manual.

The specified voltage tolerance is inclusive of

ripple, noise, and transient response.

[6] Operating condition is defined as random seek read opera-

tions with a block count of 64.

General Notes from Tables 2a and 2b.

1. Minimum current loading for each supply voltage is not less

than 4% of the maximum operating current shown.

2. Use separate ground returns for +5V and +12V supplies.

3. Where power is provided to multiple drives from a common

supply, carefully consider individual drive power require-

ments. Where multiple units are powered on simultaneously,

be sure the peak starting current is available to each device.

Table 3. Dimensions of the drive

inches mm

Height 1.00 25.4

Width 4.00 101.6

Depth 5.74 145.8

Weight 1.5 pounds (0.68 kilograms)

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Seagate ST32272W Guide d'installation Page 20