Acer TravelMate 6500 Service Manual

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Contents

Chapter 4 9047h Initialize I20 support48h Check video configuration against CMOS49h Initialize PCI bus and devices4Ah Initialize all video adapters in system4Bh QuietBoot start (optional)4Ch Shadow video BIOS ROM4Eh Display BIOS copyright notice50h Display CPU type and speed51h Initialize EISA board52h Test keyboard54h Set key click if enabled55h Enable USB devices58h 2-2-3-1 Test for unexpected interrupts59h Initialize POST display service5Ah Display prompt “Press F2 to enter SETUP”5Bh Disable CPU cache5Ch Test RAM between 512 and 640 KB60h Test extended memory62h Test extended memory address lines64h Jump to User Patch166h Configure advanced cache registers67h Initialize Multi Processor APIC68h Enable external and CPU caches69h Setup System Management Mode (SMM) area6Ah Display external L2 cache size6Bh Load custom defaults (optional)6Ch Display shadow-area message6Eh Display possible high address for UMBrecovery70h Display error messages72h Check for configuration errors76h Check for keyboard errors7Ch Set up hardware interrupt vectors7Eh Initialize coprocessor if present80h Disable onboard Super I/O ports and IRQs81h Late POST device initialization82h Detect and install external RS232 ports83h Configure non-MCD IDE controllers84h Detect and install external parallel ports85h Initialize PC-compatible PnP ISA devices86h Re-initialize onboard I/O ports87h Configure Motherboard Configurable Devices(optional)88h Initialize BIOS Data Area89h Enable Non-Maskable Interrupts (NMIs)8Ah Initialize Extended BIOS Data AreaCode Beeps POST Routine Description