Fujitsu MHM2150AT Manual/User Guide - Page 33
Device Configuration, MHL Series
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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. (1) Disk (2) Head MHL Series MHM Series Figure 2.1 Disk drive outerview 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. The disks are rated at over 50,000 start/stop operations. MHL2300AT: 3 disks MHM2200AT: 2 disks MHM2150AT: 2 disks MHM2100AT: 1 disk The heads are of the contact start/stop (CSS) type. The head touches the disk surface while the disk is not rotating and automatically lifts 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 5 indicate read/write heads. 2-2 C141-E104-03EN