Acer Extensa 900 Maintenance Manual
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POST BIOS C-1 C POST BIOS C.1 Introduction This section contains a listing of the POST BIOS calls for the Extensa 900 Series Notebook. ;---------------------------------------------------------------------------- ; Make sure we entered POST in real mode ; Determine the CPU type ; Convert all segment limits to 4GB ;---------------------------------------------------------------------------- 002H post...
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C-2 POST BIOS 01AH post Dma InitJ, FAR 01CH post Reset PIC ;---------------------------------------------------------------------------- ; Test the keyboard controller ; Compute the CPU clock speed ; Test the CMOS RAM ;---------------------------------------------------------------------------- 022H post I8742 Test, FAR 032H post Compute Speed, FAR 034H post Cmos Test, FAR ;---------------------------------------------------------------------------- ; Optimize chipset timing ; Optimize other hardware...
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POST BIOS C-3 ; Display prompt Press F2 to enter SETUP ;---------------------------------------------------------------------------- 04BH quiet Boot Start, OPTIONAL, FAR 04EH post Copyright Display, FAR 050H cpu Display, FAR 051H eisa Init, OPTIONAL 05AH post Display F2 Message, FAR ;---------------------------------------------------------------------------- ; Disable the CPU cache ; Size and test the system...
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C-4 POST BIOS 094H post Disable A20, FAR 080H io Before Init, OPTIONAL 085H pci Init Pcc, OPTIONAL 082H io RS232 Test Code 084H io Parallel Test Code 086H io After Init ;---------------------------------------------------------------------------- ; Initialize Bios Data Area and Extended Bios Data Area ; Initialize hard and floppy disk controllers ; Initialize MP Environment ;---------------------------------------------------------------------------- 088H post Bios Init, FAR 08CH post Floppy Test, FAR...
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POST BIOS C-5 0B0H post Error Check, FAR 0B2H post Done, FAR 0B4H post One Beep, FAR 0B5H quiet Boot End, OPTIONAL, FAR 0B6H feat Check Password, OPTIONAL, FAR ;---------------------------------------------------------------------------- ; Shutdown 4 is a boot retry ;---------------------------------------------------------------------------- post Shutdown Four TableLABELpost Proc...
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