Acer ASPIRE 5742 Service Manual page 32

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