Acer 4745 manual Hard Disk Drive Interface Specification, Super-Multi Drive Module

Hard Disk Drive Interface

	Item				Specification
	Vendor & Model		Seagate		HGST	Toshiba	Western Digital
	Name
	Capacity (MB)		160, 250, 320,		160, 250,	160, 250,	160, 250, 320,
			500		320, 500	320, 500	500, 640
	Bytes per sector			512
	Data heads			2-4
	Drive Format
	Disks			1-2
	Spindle speed			5400
	(RPM)
	Performance Specifications
	Buffer size				8 MB
	Interface				SATA
	DC Power Requirements
	Voltage		5V ±5%		5V ±5%	5V ±5%	5V ±5%
	tolerance
Super-Multi Drive Module
Item					Specification
Vendor & model		HLDS GT20N				Sony AD7580S
name
Performance		With CD Diskette		With DVD Diskette		With CD Diskette		With DVD Diskette
Specification
Transfer rate (MB/		Sustained:		Sustained:		Sustained:		Sustained:
sec)		3,600 KB/s (24x)		11.08 Mbytes/s		1,571 (typical)		10,993 (typical)
		max.		(8x) max.
Buffer Memory		2 MB
Interface		SATA

20 Chapter 1