Toshiba Satellite M40X manual inch Hard Disk Drive, Inch Hard Disk Drive Hardware Overview

1.3 -inch Hard Disk Drive 1 Hardware Overview

1.32.5-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 to100G HDD. 120GB is design ready.

The HDD is shown in Figure 1-1. Specifications are listed in Table 1-1

Figure 1-1 2.5-inch HDD

Items	40GB	60GB	80GB	100GB
Formatted capacity (GB)	37.26	55.89	74.52	93.15
Logical Blocks (LBA)	78,125,000	117,187,500	156,301,488	195,371,568
Rotational speed (rpm)	4,200/5400	4,200/5400	4200/5400	4200/5400
Toshiba HDD Buffer (MB)	8/16	8/16	8/16	8/16
Hitachi HDD Buffer (MB)	2/8	8/8	8/8	NA/8
Bytes per sector	512	512	512	512

Table 1-1 2.5-inch HDD specifications

Satellite M40X Series Maintenance Manual [CONFIDENTIAL] 1-11