Acer Aspire 5515 Acer Aspire 5515 Notebook Service Guide - Page 28

Item Interface Hard Disk Drive Interface Vendor Item 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) Sustained transfer rate (Mbytes/sec max) I/O data transfer rate (Mbytes/sec max) DC Power Requirements Voltage tolerance Specification Specification Seagate Momentus 5400.4 SATA ST9250827AS ST9160827AS 250 160 512 4 3 ST9120817AS 120 2 2 2 1 5,400 8MB SATA 778 58 300 5V(DC) +/- 5% Item Specification Vendor Seagate Momentus 5400.5 SATA Model Name ST9320320AS ST9250320AS ST9160310AS Capacity (MB) 320 250 160 Bytes per sector 512 Data heads 4 4 or 3 2 Drive Format Disks 2 or 1 2 1 Spindle speed (RPM) 5,400 Performance Specifications Buffer size 8 MB Interface SATA Internal transfer rate 352 (Mbits/sec max) I/O data transfer rate 150 (Mbytes/sec max) DC Power Requirements Voltage tolerance 5V(DC) +/- 5% ST9120310AS 120 2 1 18 Chapter 1