
16
Chapter 1
Disks
2
2
1
1
2
1
Spindle
speed
(RPM)
5400
Performance Specifications
Buffer size
8MB
Interface
SATA
Internal
transfer
rate (Gbits/
sec., max)
3GB/s maximum
1.5GB/s
maximum
I/O data
transfer
rate
(Mbytes/
sec max)
875 Mbits/s maximum
845 Mbits/s
maximum
775Mbits/s
maximum
729Mbits/s
maximum
DC Power Requirements
Voltage
+5.0V ± 5%.
Item
Specifications
Vendor & Model
Name
Toshiba
MK1655GSX
Toshiba
MK2555GSX
Toshiba
MK3255GSX
Toshiba
MK5055GSX
Capacity (GB)
160
250
320
500
Bytes per sector
512
512
512
512
Data heads
2
2
4
4
Drive Format
Disks
1
1
2
2
Spindle speed
(RPM)
5400
Performance Specifications
Buffer size
8MB
Interface
SATA
Internal transfer
rate (Mbits/sec,
max)
363 ~ 952 typical
I/O data transfer
rate
(Mbytes/sec
max)
300
DC Power Requirements
Voltage
5V ±5%
Item
Specifications
Vendor & Model
Name
Western Digital
WD1600BEVT-
22ZCTO
Western Digital
WD2500BEVT-22ZCT0
Western Digital
WD3200BEVT-22ZCT0
Western Digital
WD5000BEVT-22ZAT0
Capacity (GB)
160
250
320
500
Bytes per sector
512
Data heads
2
4
3
4
Item
Specifications
Summary of Contents for Aspire 1820PT Series
Page 6: ...vi ...
Page 10: ...x Table of Contents ...
Page 13: ...Chapter 1 3 System Block Diagram ...
Page 32: ...22 Chapter 1 ...
Page 48: ...38 Chapter 2 ...
Page 64: ...54 Chapter 3 4 Unlock the FPC 5 Remove the FPC and keyboard ...
Page 66: ...56 Chapter 3 4 Remove the hinge cap 5 Remove the hinge bezel ...
Page 70: ...60 Chapter 3 10 Pull the upper cover away ...
Page 94: ...84 Chapter 3 7 Pry up the bezel top edge and remove ...
Page 119: ...Chapter 3 109 7 Insert the stylus ...
Page 148: ...138 Chapter 3 2 Replace the HDD in the bay 3 Adhere the black tape 4 Replace the HDD FPC ...
Page 202: ...192 Appendix A ...
Page 212: ...202 ...
Page 215: ...205 ...
Page 216: ...206 ...