Toshiba M70 manual Hardware Overview 2.5-inch Hard Disk Drive, Inch HDD

1 Hardware Overview 1.3 2.5-inch Hard Disk Drive

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 hard drives up to 100 GB.

The HDD is shown in Figure 1-1. Specifications are listed in Table 1-1 and Table1-2.

	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)	5400	5400	5400	5400
Toshiba HDD Buffer (MB)	16	16	16	16
Hitachi HDD Buffer (MB)	8	8	8	8
Fujitsu HDD Buffer (MB)	8	8	8	8
Bytes per sector	512	512	512	512
Table 1-1	2.5-inch SATA HDD specifications
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	8/8
Fujitsu HDD Buffer (MB)	8/8	8/8	8/8	8/8
Bytes per sector	512	512	512	512
Table 1-2	2.5-inch PATA HDD specifications

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