User Guide

100CS 1-9
1.4 2.5-inch Hard Disk Drive
The HDD is a random access non-volatile storage device. It has a non-removable 2.5-inch
magnetic disk and mini-winchester type magnetic heads.
The computer supports the 520 MB.
The HDD is shown in figure 1-5.
Figure 1-5 2.5inch HDD
Specifications for the HDD are listed in table 1-2.
Table 1-2 2.5-inch HDD specifications
Items Toshiba MK1924FCV IBM DBOA-2528
Storage capacity (million byte)
Formatted 528 528
Number of disks 2 2
Data heads 4 3
Data surfaces 4 4
Bytes per sector 512 512
Rotation speed (rpm) 4200 4000
Recording method 8-9 RLL 1-7 RLL