Chapter 1
21
Hard Disk Drive Interface
Item
Specifications
Vendor &
Model Name
Seagate
ST9250827AS
Seagate
ST9320320AS
ST9160310AS
Seagate
ST9500325AS
Toshiba
MK3252GSX
MK2552GSX
MK1652GSX
WD
WD5000BEVT
WD3200BEVT
WD2500BEVT
WD1600BEVT
Capacity
(MB)
250
320, 160
500
320, 250, 160
500, 320, 250,
160
Bytes per
sector
512
512
512
512
512
Data heads
4
4, 2
4
4, 4, 2
4, 3, 2, 2
Drive Format
Disks
2
2 or 1, 1
2
2, 2, 1
2, 2, 1, 1
Spindle speed
(RPM)
5400
5400
5400
5400
5400
Performance Specifications
Buffer size
8 MB
8 MB
8 MB
8 MB
8 MB
Interface
SATA
SATA
SATA
SATA
SATA
Internal
transfer rate
(Mbits/sec,
max)
778
352
1,175
400 ~ 794
typical
106 Mbits/s
maximum
I/O data
transfer rate
(Mbytes/sec
max)
300
150
300
300
300 maximum
DC Power Requirements
Voltage
5V ±5%
5V ±5%
5V ±5%
5V ±5%
5V ±5%
Summary of Contents for 4740G series
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 56: ...46 Chapter 2 ...
Page 63: ...Chapter 3 53 5 Carefully open the HDD Cover ...
Page 65: ...Chapter 3 55 5 Remove two 2 screws from the WLAN bracket and lift it clear of the device ...
Page 90: ...80 Chapter 3 5 Remove the TouchPad Bracket from the Upper Cover ...
Page 92: ...82 Chapter 3 Step Size Quantity Screw Type Media Board M2 5 3 2 ...
Page 97: ...Chapter 3 87 Step Size Quantity Screw Type Bluetooth Module M2 5 3 1 ...
Page 99: ...Chapter 3 89 7 Lift one edge of the mainboard as shown to remove it from the base ...
Page 107: ...Chapter 3 97 4 Lift the bezel away from the panel ...
Page 110: ...100 Chapter 3 4 Lift the LCD Panel out of the casing as shown ...
Page 117: ...Chapter 3 107 13 Ensure that the securing pin is properly located ...
Page 129: ...Chapter 3 119 ...
Page 134: ...124 Chapter 3 4 Turn the computer over Replace the fifteen screws on the bottom panel ...
Page 141: ...Chapter 3 131 4 Turn the computer over and replace the six 6 securing screws as shown ...
Page 186: ...176 Chapter 6 ...
Page 187: ...Chapter 6 177 ...
Page 208: ...Appendix A 198 ...
Page 214: ...204 Appendix B ...
Page 216: ...206 Appendix C ...