Acer 5742G, 5742ZG manual Keyboard Specification, Hard Disk Drive Interface Specification

Keyboard

Item					Specification
Type		AC7T-A10B
Total number of keypads		103-US/104-UK keys
Windows logo key		Yes
Internal & external keyboard work		Plug USB keyboard to the USB port directly: Yes
simultaneously
Features		• Phantom key auto detect
		• Overlay numeric keypad
		• Support independent pgdn/pgup/pgup/home/end keys
		• Support reverse T cursor keys
		• Factory configurable different languages by OEM customer
Hard Disk Drive Interface
Item			Specification
Vendor & Model	Western Digital		Western Digital		Western Digital	Western Digital
Name	WD1600BEVT-		WD2500BEVT-		WD3200BEVT-	WD5000BEVT-
	22A23T0, Hitachi		22A23T0, Hitachi		22A23T0, Hitachi	22A0RT0, Hitachi
	HTS545016B9A3		HTS545025B9A		HTS545032B9A3	HTS545050B9A3
	00, Toshiba		300, Toshiba		00, Toshiba	00, Toshiba
	MK1665GSX,		MK2565GSX,		MK3265GSX,	MK5065GSX,
	Seagate		Seagate		Seagate	Seagate
	ST9160314AS		ST9250315AS		ST9320315AS	ST9500325AS
Capacity (GB)	160GB		250GB		320GB	500GB
Bytes per sector				512
Data heads	1, 2, 1, 2		2, 2, 2, 2		2, 3, 2, 3	4, 4, 4, 4
Drive Format
Disks	1		1		1, 2, 1, 2	2
Spindle speed			5400RPM
(RPM)
Performance Specifications
Buffer size				8MB
Interface			SATA
Fast data transfer			3.0Gbits/s
rate
Media data	106Mbytes/s,		106Mbytes/s,		106Mbytes/s,	106Mbytes/s,
transfer rate	845Mbits/s,		845Mbits/s,		845Mbits/s,	845Mbits/s,
	1175Mbits/s,		1175Mbits/s,		1175Mbits/s,	1175Mbits/s,
	1273.3Mbits/s		1031.7Mbits/s		1273.3Mbits/s	1031.7Mbits/s
DC Power Requirements
Voltage tolerance				5V

22 Chapter 1