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2 hardware structure – FUJITSU MAP3735FC User Manual

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1.2 Hardware Structure

C141-E163

1-5

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Low power consumption

By using highly integrated LSI components, the power consumption of the IDD is very low, and this
enables the unit to be used in wide range of environmental conditions.

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Low noise and low vibration

The noise level is low; approx. 3.4 bels Ready for MAP series. This makes it ideal for office use.

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Microcode downloading

The IDD implements the microcode download feature. This feature achieves easy maintainability of
the IDD and function enhancing.

1.2

Hardware Structure

An outer view of the IDD is given in Figures 1.1. The IDD is composed of the disk, head, spindle
motor, mounted disk enclosure (DE) with actuator and air circulation filter, as well as read/write pre-
amp with the printed circuit assembly (PCA) of the controller.

Figure 1.1

FC model drives outer view

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Disks

The disks have an outer diameter of 84 mm (3.3 inch) and an inner diameter of 25 mm (0.98 inch) for
MAP series. The disks are good for at least 20,000 contact starts and stops. Each model contains
following number of disks.

MAP3147FC: 4
MAP3735FC: 2

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