BIOS - Basic Input Output System

APM (Advanced Power Management)

ACPI
ACPI register set
ACPI-BIOS
ACPI table
OSPM System Code (Operating System Direct Power Management)
ACPI-driver with integrated AML-Interpreter (ACPI Machine Language)
G3 (mechanical off), G2 (soft off), G1 (sleeping S1-S5), G0 (working)
C0-C3 CPU modes
D0-D3 device modes

ESCD (extended setup configuration data)

DMI (desktop management interface)

POST (power on self test)

BIOS provider Web site
American Megatrends Inc (AMI) www.megatrends.com
Award (subsidiary of Phoenix) www.award.com
HP  
Microid Research (MRBIOS) www.mrbios.com
Phoenix www.phoenix.com OR www.ptltd.com
SystemSoft www.systemsoft.com (BIOS now www.insydesw.com)
ZEOS  

  Award AMI Phoenix SystemSoft
Setup options   available    
beep codes available available available available
POST codes   available    
BIOS flash guide available available    

PnP

EEPROM
DIL-Socket
FlashROM (DIL) Pin1 for flash

CMOS Register reference


Enter BIOS-Setup
Del / Entf
F1
Ctrl-S
Ctrl-Alt-Enter (Phoenix)
Ctrl-Alt-Ins
Ctrl-Alt-S
Ctrl-Alt-ESC
Alt-F1
F2 (Phoenix - SiemensPC)
[change RAM size, remove floppy]