Acer Aspire 4935 Service Guide - Page 32

Hard Disk Drive Interface Item Vendor & Model Name Seagate ST9250827AS Capacity 250 (MB) Bytes per 512 sector Data heads 4 Drive Format Disks 2 Spindle speed 5400 (RPM) Performance Specifications Buffer size 8 MB Interface SATA Internal 778 transfer rate (Mbits/sec, max) I/O data 300 transfer rate (Mbytes/sec max) DC Power Requirements Voltage 5V ±5% Seagate ST9320320AS ST9160310AS Specifications Seagate ST9500325AS Toshiba MK3252GSX MK2552GSX MK1652GSX 320, 160 500 320, 250, 160 512 512 512 4, 2 4 4, 4, 2 2 or 1, 1 5400 2 5400 2, 2, 1 5400 8 MB SATA 352 150 8 MB SATA 1,175 300 8 MB SATA 400 ~ 794 typical 300 5V ±5% 5V ±5% 5V ±5% WD WD5000BEVT WD3200BEVT WD2500BEVT WD1600BEVT 500, 320, 250, 160 512 4, 3, 2, 2 2, 2, 1, 1 5400 8 MB SATA 106 Mbits/s maximum 300 maximum 5V ±5% 22 Chapter 1