Acer Aspire S3-391 Acer Aspire S3-391 Notebook Service Guide - Page 30

Keyboard Item Specification Type Aspire AF1S Flat keyboard Total number of keys 84 keys Windows logo key Yes Internal and external USB Yes keyboard work simultaneously? Features  Overlay numeric keys  Inverted "T" cursor keys  Hotkeys for volume and brightness level, media playback, wireless and sleep functions, and display and touchpad toggle  Windows and Application keys  Multilanguage support configurable by OEM customer Hard Disk Drive Item Specification Vendor and models HGST HTS543232A7A384, Seagate ST320LT020/9YG142-188, Seagate ST320LT012/9WS14C-188, Seagate 9YG142-190, Western Digital WD3200LPVT-22G33T0 HGST HTS545050A7E380, Seagate ST500LT012/9WS142-188, Western Digital WD5000LPVT-22G33T0 Product series  Hitachi Eagle B7/Jaguar B7  Seagate Sapta  Western Digital Configuration Interface SATA, Third Generation Capacity (GB) 320 500 Bytes per sector 512 512 Data heads 3, 2, 2, 2, n/a 4, n/a, 4, n/a Disks 1, 2/1, 1, 1, n/a 2, n/a, 2, n/a Performance Data buffer 8 8 Spindle speed (RPM) 5400 Media data transfer rate (Mbits/sec, max) 875, 875/994, 1175, n/a 875, n/a, n/a, n/a Interface transfer 300 rate (MB/sec, max) 1-22 Hardware Specifications and Configurations