Acer 270 manual Hard Disk Drive Interface, DVD-ROM Interface, Performance Specifications

Hard Disk Drive Interface

Item	Specification
Spindle speed	4200	4200	4200	4200	4200	4200	4200	4200	4200
(RPM)	RPM	RPM	RPM	RPM	RPM	RPM	RPM	RPM	RPM
Performance Specifications
Buffer size	2048KB	2048KB		2048KB	2048KB
Interface	ATA-5	ATA-5		ATA-5	ATA-5
Max. media	216	287		287	235
transfer rate
(disk-buffer,
Mbytes/s)
Data transfer	100 MB/	100 MB/		100 MB/	100 MB/
rate	Sec.	Sec.		Sec.	Sec.
(host~buffer,	Ultra	Ultra		Ultra	Ultra
Mbytes/s)	DMA	DMA		DMA	DMA
	mode-5	mode-5		mode-5	mode-5
DC Power Requirements
Voltage	5V(DC)	5V(DC)		5V(DC)	5V(DC)
tolerance	+/- 5%	+/- 5%		+/- 5%	+/- 5%

DVD-ROM Interface

Item		Specification
Vendor & model name	Toshiba SD-C2502
Performance Specification	With CD Diskette		With DVD Diskette
Transfer rate (KB/sec)	Sustained:		Sustained:
	Max 3.6Mbytes/sec		Max 10.8Mbytes/sec
Data Buffer Capacity	128 KBytes
Interface	IDE/ATAPI
Applicable disc format	DVD: DVD-ROM (DVD-5, DVD-9, DVD-10, DVD-18),DVD-R (read, single
	border)
	CD: CD-DA, CD+(E)G, CD-MIDI, CD-TEXT, CD-ROM, CD-ROM XA, CD-I, CD-
	I Bridge (Photo-CD, Video-CD) Multisession CD (Photo-CD, CD-EXTRA, CD-R,
	CD-RW), CD-R (read), CD-RW (read)
Loading mechanism	Load: Manual
	Release: (a) Electrical Release (Release Button)
	(b) Release by ATAPI command
	(c) Emergency Release
Power Requirement
Input Voltage	+5 V +/- 5 % (Operating)
	+/- 8 % (Start up)

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