110 Series 1-9
1.4 2.5-Inch Hard Disk Drive
The Hard Disk Drive (HDD) is a random access nonvolatile storage device. It has a non-
removable 2.5-inch magnetic disk and mini-Winchester type magnetic heads.
The computer supports the 720 MB HDD.
The HDD is shown in Figure 1-5.
Figure 1-5 2.5-inch HDD
Table 1-2 lists the HDD specifications.
Table 1-2 2.5-inch HDD specifications
Item Toshiba MK1926FCV IBM DBOA-20810
Formatted capacity (bytes) 814,915,584 812,851,200
Disks 3 2
Logical heads 16 16
Logical cylinders 1,579 1,575
Bytes per sector 512 512
Rotation speed (rpm) 4200 4009
Recording method 8 - 9 RLL 1 - 7 RLL
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