Acer 8935G 22 Chapter 1, Hard Disk Drive Interface, Hard Disk Drive Interface (contd.)

22 Chapter 1
Hard Disk Drive Interface
Hard Disk Drive Interface (cont’d.)
Item Specification
Vendor Seagate
Model Name
ST9320-
320AS ST9250- 320AS ST9200- 321AS ST9160310AS
ST9160310ASG
ST9120310AS
ST9120310ASG
ST980310AS
ST980310ASG
Capacity
(MB) 320 250 200 160 120 80
Bytes per
sector 512
Data heads 4 4 or 3 3 2 2 1
Drive Format
Disks 2 2 2 1 1 1
Spindle
speed
(RPM)
5,400
Performance Specifications
Buffer size 8MB
Interface SATA
Internal
transfer rate
(Mbits/sec
max)
830
I/O data
transfer rate
(Mbytes/sec
max)
300
DC Power Requirements
Voltage
tolerance 5V(DC) +/- 5%
Item Specification
Vendor Seagate
Model
Name ST9500325AS
ST9500325ASG
ST9320325AS
ST9320325ASG
ST9250315AS
ST9250315ASG
ST9160314AS
ST9160314ASG
ST9120315AS
Capacity
(MB) 500 320 250 160 120
Bytes
per
sector
512
Data
heads 43 221
Drive Format
Disks 2 2 1 1 1
Spindle
speed
(RPM)
5,400
Performance Specifications
Buffer
size 8MB
Interface SATA