Toshiba M10 manual inch Hard Disk Drive Hardware Overview

1.4 2.5-inch Hard Disk Drive 1 Hardware Overview

1.42.5-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 a 30, 40, or 60GB 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

	TOSHIBA	TOSHIBA		TOSHIBA
	MK3021GAS	MK4021GAS		MK4019GAX
Items	HITACHI	HITACHI		HITACHI
	DK23EA-30	DK23EA-40		DK23EB-40
	(30.0 billion bytes)	(40.0 billion bytes)		(40.0 billion bytes)
Formatted capacity(GB)	27.94	37.26		37.26
Logical Blocks(LBA)	58,605,120	78,140,160		78,140,160
Rotational speed (rpm)	4,200	4,200		5,400
Buffer (KB)	2,048	16,384		8,194
Bytes per sector	512	512		512
	TOSHIBA
	MK6021GAS			TOSHIBA
Items	HITACHI
			MK6022GAX
	DK23EA-60
	(60.0 billion bytes)		(60.0 billion bytes)
Formatted capacity(GB)	55.89		55.89
Logical Blocks(LBA)	117,210,240		117,210,240
Rotational speed (rpm)	4,200		5,400
Buffer (KB)	2,048		16,384
Bytes per sector	512		512

Satellite Pro M10 Series Maintenance Manual (960-431) 1-15