Acer Aspire One AO531h Aspire One AO531h Service Guide - Page 26

System Memory Item Memory controller Memory size DIMM socket number Supports memory size per socket Supports maximum memory size Supports DIMM type Supports DIMM Speed Specification Built in 1GB DDR2 RAM 1 512 MB / 1GB 1 GB DDR II 533Mhz SDRAM memory interface design 533Mhz SDRAM System Storage HDD Item Specification • 9.5mm height, 2.5" HDD • Easily removable with no more than four screws • SATA bus • 80/320GB and above • 5400 rpm • SATA connector BTO Hard Disk Drive Interface Item Vendor & Model Name Seagate ST9160310AS Toshiba MK1652GSX Capacity 160 (GB) Bytes per 512 sector Data heads 2 Drive Format Disks 1 Spindle 5400 speed (RPM) Performance Specifications Buffer size 8 MB Interface SATA Fast data transfer rate 3.0Gbit /s Media data 830 transfer rate (Mbytes/sec max) DC Power Requirements Voltage tolerance 5V ±5% 160 512 2 1 5400 8 MB SATA 3.0Gbit /s 400~794 typ. 5V ±5% Specification Toshiba MK1655GSX HGST HTS543216L 9A300 160 160 512 512 2 2 1 5400 1 5400 8 MB SATA 3.0Gbit /s 783.7 8 MB SATA 3.0Gbit /s 775 5V ±5% 5V ±5% HGST HTS545016B 9A300 160 512 2 1 5400 8 MB SATA 3.0Gbit /s 875 5V ±5% WD WD1600BEVT 160 512 2 1 5400 8 MB SATA 3.0Gbit /s 850 5V ±5% 16 Chapter 1