Device Configuration

2.1 Device Configuration

Figure 2.1 shows the disk drive. The disk drive consists of a disk enclosure (DE), read/write preamplifier, and controller PCA. The disk enclosure contains the disk media, heads, spindle motors, actuators, and a circulating air filter.

MHN Series

Figure 2.1 Disk drive outerview

(1) Disk

The outer diameter of the disk is 65 mm. The inner diameter is 20 mm. The number of disks used varies with the model, as described below.

MHN2300AT: 2 disks

MHM2200AT:

2 disks

MHM2150AT: 1 disk

MHM2100AT:

1 disk

(2) Head

The heads are of the load/unload (L/UL) type. The head unloads the disk out of while the disk is not rotating and loads on the disk when the disk starts.

Figure 2.2 illustrates the configuration of the disks and heads of each model. In the disk surface, servo information necessary for controlling positioning and read/write and user data are written. Numerals 0 to 3 indicate read/write heads.

2-2

C141-E120-02EN

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Fujitsu MHN2300AT, MHN2150AT, MHN2100AT, MHN2200AT manual Device Configuration, Disk drive outerview