Acer Aspire one Series Service Manual page 24

Hard Disk Drive Interface
Item
Vendor & Segate ST9120817AS
Model
Name
Capacity 120
(MB)
Bytes per 512
sector
Data 2
heads
Drive Format
Disks 1
Spindle 5400
speed
(RPM)
Performance Specifications
Buffer 8 MB
size
Interface SATA
Internal 778
transfer
rate
(Mbits/
sec, max)
I/O data 300
transfer
rate
(Mbytes/
sec max)
DC Power Requirements
Voltage 5V ±5%
tolerance
Thermal Sensor Control
Item
Thermal Sensor Chip
Package
Features
Interface
BIOS
Item
BIOS vendor
BIOS Version
BIOS ROM type
BIOS ROM size
BIOS package
Block Size
14
Specification
Toshiba MK1252GSX
120
512
2
1
5400
8 MB
SATA
400 ~ 794 typical
300
5V ±5%
G780
8-pin MSOP
Thermal sensor control
2
I C bus, address: 98h
InSyde
v0.2103
W25X80VSSIG
1Mb CMOS Boot Block Flash Memory
8 pin SOIC
64 Kb per block
WD WD1200BEVS WD WD1200BEVT
120 120
512 512
2 2
1 1
5400 5400
8 MB 8 MB
SATA SATA
850 Mbits/s 850 Mbits/s
maximum maximum
150 maximum 300 maximum
5V ±5% 5V ±5%
Specification
Specification
Chapter 1