Acer Aspire E1-421 Acer Aspire E1-421 Notebook Service Guide - Page 36
Video Interface, BIOS, Keyboard, Acer TM4T_A11B keyboard - bios key
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Video Interface Chipset Item Package Interface Compatibility Sampling rate BIOS Item BIOS vendor BIOS Version BIOS ROM type BIOS ROM size Features Keyboard Item Type Total number of keypads Windows logo key Internal & external keyboard work simultaneously Features Specification ATI Zacate UMA UMA Fully compliant with the electrical specifications of ANSI/TIA/EIA-644 500 MHz Specification Insyde 1.03 W25Q16BVSSIG (16M-bit), W25Q32BVSSIG (32M-bit) 4MB Serial Flash Memory Insyde code base boot block non-shadow RAM support uEFI Specification Acer TM4T_A11B keyboard 86-US/87-UK/91-JP key Yes Plug USB keyboard to the USB port directly: Yes Phantom key auto detect Overlay numeric keypad Support independent pgdn/pgup/home/end keys Support reverse T cursor keys Factory configurable different languages by OEM customer 1-26 Hardware Specifications and Configurations