User Guide
File No. 960-140
1-10
1.4 2.5-inch Hard Disk Drive
The removable 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 2.1GB HDD or 3.2GB HDD.
The HDD is shown in Figure 1-5. Specifications are listed in Table 1-2.
Figure 1-5 2.5-inch HDD
Table 1-2 2.5-inch HDD specifications
Items IBM DYKA-22160 IBM DYKA-23240
Formatted capacity (bytes) 2,167,603,200 3,253,469,184
Logical cylinders 4,200 6,304
Logical heads 16 16
Logical sectors 63 63
Bytes per sector 512 512
Rotation speed (rpm) 4,200 4,200
Recording method 8-9 RLL 8-9 RLL