Acer Aspire 8942G Series Service Manual page 31

Hard Disk Drive Interface)
Item
Vendor
Model Name
Capacity (MB)
Bytes per sector
Data heads
Drive Format
Disks
Spindle speed (RPM)
Performance Specifications
Buffer size
Interface
Internal transfer rate
(Mbits/sec max)
I/O data transfer rate
(Mbytes/sec max)
DC Power Requirements
Voltage tolerance
Chapter 1
Specification
Seagate
ST9160310AS ST9250320AS
160
2
1
5V(DC) +/- 5%
ST9320320AS
250 320
512
4 4
2 2
5,400
8MB
SATA
830
300
21