Inch Hard Disk Drive - Toshiba Satellite A85 Maintenance Manual

1.3 2.5-inch Hard Disk Drive

1.3 2.5-inch Hard Disk Drive
The internal 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 up
to100GB HDD.
The HDD is shown in Figure 1-1. Specifications are listed in Table 1-1
Items
Formatted capacity (GB)
Logical Blocks (LBA)
Rotational speed (rpm)
Toshiba HDD Buffer (MB)
Hitachi HDD Buffer (MB)
Bytes per sector
Satellite A80/A85 Series Maintenance Manual
Figure 1-1 2.5-inch HDD
40GB 60GB
37.26
78,125,000 117,187,500
4,200/5400 4,200/5400
8/16
2/8
512
Table 1-1 2.5-inch HDD specifications
80GB
55.89 74.52
156,301,488
4200/5400
8/16 8/16
8/8 8/8
512 512
[CONFIDENTIAL]
1 Hardware Overview
100GB
93.15
195,371,568
4200/5400
8/16
NA/8
512
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