Acer Aspire V5-471 Acer V5-471 Notebook Service Guide - Page 37

System BIOS Item BIOS vendor BIOS version BIOS ROM type BIOS ROM size Protocols supported Specification Phoenix v1.06 Hardware 4 MB  Legacy BIOS and EFI architectures  ACPI 3.0b compliance  PXE specification v2.1  SMBIOS reference specification v2.5 or later  USB specification revision 1.1, 2.0. and 3.0  ASF specification v2.0 or later  PCI Express base specification revision 2.1  PCI BIOS specification revision 2.1  BIOS Boot specification v1.01  Simple boot flag specification v2.1  System management bus specification v2.0  AHCI support  Microsoft XP/Vista/Windows 7 logo program  Microsoft SLP 1.0 support  Microsoft OA 2.0 and 2.1 support Keyboard Item Specification Type AF4S Chiclet keyboard Total number of keys 88/89/93 keys Windows logo key Yes Internal and external USB Yes keyboard work simultaneously? Features  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 Hardware Specifications and Configurations 1-27