The second edition of this bestselling guide covers the next generation Phoenix BIOS, used in major PC compatible, EISA, and 486-based computers. Anyone developing software for these machines needs this important information.PhoenixBIOS. ISA/EISA. POST. Messages, . Continued. Diagnostic Code Beep Code Description Test Performed 3-2-4 27h Keyboard controller test in progress or failure. The self-test command (AAh) is issued to the 8042 (keyboard controller )anbsp;...
|Title||:||System BIOS for IBM PCs, compatibles, and EISA computers|
|Publisher||:||Addison Wesley Longman - 1991|