Acer 2900 manual Hard Disc Drive Interface, CD-ROM Interface

Hard Disc Drive Interface

Item		Specification
Vendor &	Toshiba MK2023GAS	HGST	HGST	HGST
Model	HGST	IC25N030ATMR04-0	IC25N040ATMR04-0	IC25N060ATMR04-0
Name	IC25N020ATMR04-0	Toshiba MK3021GAS	Toshiba MK4021GAS	Toshiba MK6021GAS
		FJV MHT2030AT	Seagate ST94011A	FJV MHT2060AT
			HGST	HGST
			HTS548040M9AT00	HTS548060M9AT00
				Toshiba MK6022GAX
Capacity	20000	30000	40000	60000
(MB)
Bytes per	512	512	512	512
sector
Data heads	2	2	3	4
Drive
Format
Disks	1	1	2	2
Spindle	4200 RPM	4200 RPM	4200 RPM	4200 RPM
speed			5400 RPM for	5400 RPM for
(RPM)			Seagate ST94011A	HTS548060M9AT00
			HGST	Toshiba MK6022GAX
			HTS548040M9AT00
Performance Specifications
Buffer size	2048KB	2048KB	2048KB	2048KB
Interface	ATA-5	ATA-5	ATA-5	ATA-5
Max. media	164.6~ 257.1	154.3~ 298.0	154.3~ 298.0	154.3~ 298.0
transfer
rate (disk-
buffer,
Mbytes/s)
Data	100 MB/Sec.	100 MB/Sec.	100 MB/Sec.	100 MB/Sec.
transfer	Ultra DMA mode-5	Ultra DMA mode-5	Ultra DMA mode-5	Ultra DMA mode-5
rate
(host~buffe
r, Mbytes/s)
DC Power Requirements
Voltage	5V(DC) +/- 5%	5V(DC) +/- 5%	5V(DC) +/- 5%	5V(DC) +/- 5%
tolerance

CD-ROM Interface

Item	Specification
Vendor & model name	TEAC 24X CD-ROM CD-224E-C85
	QSI 24X CD-ROM SCR-242
Performance Specification	With CD Diskette	With DVD Diskette
Transfer rate (KB/sec)	(Mode1)	3.3X-8X CAV 4463-10820KByte/s
	4X-5.7X PCAV 600-855KByte/s
	10.3X-24X CAV 1552-3600KByte/s
	(Mode2)
	4X-5.7X PACV 684.4-975.3KBytes/s
	10.3X-24X CAV 1769-4104KByte/s
Data Buffer Capacity	192 KBytes
Interface	IDE/ATAPI

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