Acer 8940 Chapter 1 21, Hard Disk Drive Interface) Item Specification

Chapter 1 21
Hard Disk Drive Interface)
Item Specification
Vendor Seagate
Model Name
ST9160314AS ST9250315AS ST9320325AS
Capacity (MB) 160 250 320
Bytes per sector 512
Data heads 2 2 3
Drive Format
Disks 1 1 2
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%