Acer ASPIRE 5742 - Page 32

22 Chapter 1
Keyboard
Hard Disk Drive Interface
Item Specification
Type AC7T-A10B
Total number of keypads 103-US/104-UK keys
Windows logo key Yes
Internal & external keyboard work
simultaneously
Plug USB keyboard to the USB port directly: Yes
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
Item Specification
Vendor & Model
Name
Western Digital
WD1600BEVT-
22A23T0, Hitachi
HTS545016B9A3
00, Toshiba
MK1665GSX,
Seagate
ST9160314AS
Western Digital
WD2500BEVT-
22A23T0, Hitachi
HTS545025B9A
300, Toshiba
MK2565GSX,
Seagate
ST9250315AS
Western Digital
WD3200BEVT-
22A23T0, Hitachi
HTS545032B9A3
00, Toshiba
MK3265GSX,
Seagate
ST9320315AS
Western Digital
WD5000BEVT-
22A0RT0, Hitachi
HTS545050B9A3
00, Toshiba
MK5065GSX,
Seagate
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
(RPM)
5400RPM
Performance Specifications
Buffer size 8MB
Interface SATA
Fast data transfer
rate
3.0Gbits/s
Media data
transfer rate
106Mbytes/s,
845Mbits/s,
1175Mbits/s,
1273.3Mbits/s
106Mbytes/s,
845Mbits/s,
1175Mbits/s,
1031.7Mbits/s
106Mbytes/s,
845Mbits/s,
1175Mbits/s,
1273.3Mbits/s
106Mbytes/s,
845Mbits/s,
1175Mbits/s,
1031.7Mbits/s
DC Power Requirements
Voltage tolerance 5V