Acer Aspire 5739G Acer Aspire 5739G Series Service Guide - Page 30

Hard Disk Drive Interface Item Vendor & Model Name Hitachi HTS545050B9A300 Capacity (MB) 500 Bytes per sector Data heads 4 Drive Format Disks 2 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 Specifications Hitachi HTS545032B9A300 Hitachi HTS545025B9A300 320 250 512 3 2 2 1 5400 8MB SATA 3GB/s maximum 875 Mbits/s maximum +5.0V ± 5%. Hitachi HTS545016B9A300 160 2 1 845 Mbits/s maximum Item Vendor & Model Name Seagate ST9160310AS Capacity (MB) 160 Bytes per sector 512 Data heads 2 Drive Format Disks 1 Spindle speed 5400 (RPM) Performance Specifications Buffer size 8 MB Interface SATA Internal transfer 830 rate (Mbits/sec, max) I/O data transfer rate (Mbytes/sec max) DC Power Requirements Voltage 20 Specifications Seagate ST9250315AS Seagate ST9320320AS 250 320 512 512 2 4 1 5400 2 5400 8 MB SATA 1175 8MB SATA 830 875 Mbits/s maximum +5.0V ± 5%. Seagate ST9500325AS 500 512 4 2 5400 8 MB SATA 1175 845 Mbits/s maximum Chapter 1