Acer 290E manual Hard Disc Drive Interface1, Hard Disc Drive Interface2

Hard Disc Drive Interface(1)

Item				Specification
Vendor &	Toshiba	Toshiba	Toshiba	Toshiba	Hitachi	Hitachi	Hitachi	Hitachi
Model	20G	30G	40G	60G	20G	30G	40G	60G
Name	MK2023	MK3021	MK4021	MK6021	IC25N02	IC25N03	IC25N04	IC25N06
	GAS	GAS	GAS	GAS	0-	0-	0-	0-
					ATMR04	ATMR04	ATMR04	ATMR04
Capacity	20000	30000	40000	60000	20000	30000	40000	60000
(MB)
Bytes per	512	512	512	512	512	512	512	512
sector
Data heads	2	2	3	4	1	2	2	3
Drive Format
Disks	1	1	2	2	1	1	1	2
Spindle	4200	4200	4200	4200	4200	4200	4200	4200
speed	RPM	RPM	RPM	RPM	RPM	RPM	RPM	RPM
(RPM)
Performance Specifications
Buffer size	2048KB	2048KB	2048KB	2048KB	2048KB	2048KB	2048KB	2048KB
Interface	ATA-5	ATA-5	ATA-5	ATA-5	ATA-5	ATA-5	ATA-5	ATA-5
Max. media	164.6~	154.3~	154.3~	154.3~	350	350	350	350
transfer	257.1	298.0	298.0	298.0
rate (disk-
buffer,
Mbytes/s)
Data	100 MB/	100 MB/	100 MB/	100 MB/	100 MB/	100 MB/	100 MB/	100 MB/
transfer	Sec.	Sec.	Sec.	Sec.	Sec.	Sec.	Sec.	Sec.
rate	Ultra	Ultra	Ultra	Ultra	Ultra	Ultra	Ultra	Ultra
(host~buffe	DMA	DMA	DMA	DMA	DMA	DMA	DMA	DMA
r, Mbytes/s)	mode-5	mode-5	mode-5	mode-5	mode-5	mode-5	mode-5	mode-5
DC Power Requirements
Voltage	5V(DC)	5V(DC)	5V(DC)	5V(DC)	5V(DC)	5V(DC)	5V(DC)	5V(DC)
tolerance	+/- 5%	+/- 5%	+/- 5%	+/- 5%	+/- 5%	+/- 5%	+/- 5%	+/- 5%

Hard Disc Drive Interface(2)

Item		Specification
Vendor & Model	Seagate 40G	HGST 40G	HGST 60G	Toshiba 60G
Name	Neptune	MORAGA	MORAGA	Triton
	ST94011A	HTS548040M9AT	HTS548060M9AT	MK6022GAX
	(5400rpm) f/w	00	00
	code 3.05
Capacity (MB)	40000	40000	60000	60000
Bytes per sector	512	512	512	512
Data heads	2	2	3	4
Drive Format
Disks	1	1	2	2
Spindle speed	5400RPM	5400RPM	5400RPM	5400RPM
(RPM)
Performance Specifications
Buffer size	8MB	8MB	8MB	16384KB

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