14
Chapter 1
Hard Disk Drive Interface
Thermal Sensor Control
BIOS
Item
Specification
Vendor &
Model
Name
Segate ST9120817AS
Toshiba MK1252GSX
WD WD1200BEVS
WD WD1200BEVT
Capacity
(MB)
120
120
120
120
Bytes per
sector
512
512
512
512
Data
heads
2
2
2
2
Drive Format
Disks
1
1
1
1
Spindle
speed
(RPM)
5400
5400
5400
5400
Performance Specifications
Buffer
size
8 MB
8 MB
8 MB
8 MB
Interface
SATA
SATA
SATA
SATA
Internal
transfer
rate
(Mbits/
sec, max)
778
400 ~ 794 typical
850 Mbits/s
maximum
850 Mbits/s
maximum
I/O data
transfer
rate
(Mbytes/
sec max)
300
300
150 maximum
300 maximum
DC Power Requirements
Voltage
tolerance
5V ±5%
5V ±5%
5V ±5%
5V ±5%
Item
Specification
Thermal Sensor Chip
G780
Package
8-pin MSOP
Features
Thermal sensor control
Interface
I
2
C bus, address: 98h
Item
Specification
BIOS vendor
InSyde
BIOS Version
v0.2103
BIOS ROM type
W25X80VSSIG
BIOS ROM size
1Mb CMOS Boot Block Flash Memory
BIOS package
8 pin SOIC
Block Size
64 Kb per block
Summary of Contents for AO722
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 13: ...Chapter 1 3 System Block Diagram ...
Page 28: ...18 Chapter 1 ...
Page 42: ...32 Chapter 2 ...
Page 72: ...62 Chapter 3 5 Remove the thermal module ...
Page 79: ...Chapter 3 69 3 Replace the two adhesive strips ...
Page 88: ...78 Chapter 3 ...
Page 120: ...110 Chapter 4 ...
Page 137: ...Chapter 6 127 ...
Page 172: ...162 Appendix C ...