Toshiba A40 manual Typ

1.4 2.5-inch Hard Disk Drive 1 Hardware Overview

Table 1-3 2.5-inch HDD specifications (1/3)

Parameter		Specifications
	TOSHIBA	TOSHIBA	TOSHIBA
	HDD2181B	HDD2190B	HDD2183B
Storage size (formatted)	30GB	40GB	60GB
Speed (RPM)		4200
Data transfer speed	154.3-298.0	175.0–341.7	154.3-298.0
(Mb/sec)
Interface transfer rate		100 max.
(MB/s)		(Ultra DMA mode)
Track density (Ktpi)	78.9	88.1	78.9
Access Time		12
Average seek (sec)
Start time (sec)		4 typ.

Parameter			Specifications
	TOSHIBA		TOSHIBA	TOSHIBA
	HDD2184B		HDD2194B	HDD2188B
Storage size (formatted)		60GB		80GB
Speed (RPM)		5400		4200
Data transfer speed	202.9–373.3		258–394	175.0-341.78
(Mb/sec)
Interface transfer rate			100 max.
(MB/s)			(Ultra DMA mode)
Track density (Ktpi)	78.9		88.8	88.1
Access Time		12
Average seek (sec)
Start time (sec)			4 typ.

Satellite A40 Maintenance Manual (960-458) 1-15