Intel SAI2 Product Specification - Page 49

SAI2 Server Board TPS Basic Input Output System (BIOS) CP Beeps 0C Initialize caches to initial POST values Reason 0E Initialize I/O 0F Initialize the local bus IDE 10 Initialize Power Management 11 Load alternate registers with initial POST values 12 Restore processor control word during warm boot 14 Initialize keyboard controller 16 1-2-2-3 BIOS ROM checksum 18 8254 timer initialization 1A 8237 DMA controller initialization 1C Reset Programmable Interrupt Controller 20 1-3-1-1 Test DRAM refresh 22 1-3-1-3 Test 8742 Keyboard Controller 24 Set ES segment register to 4 GB 28 1-3-3-1 Autosize DRAM, system BIOS stops execution here if the BIOS does not detect any usable memory DIMMs 2A Clear 8 MB base RAM 2C 1-3-4-1 Base RAM failure, BIOS stops execution here if entire memory is bad 32 Test Processor bus-clock frequency 34 Test CMOS 35 RAM Initialize alternate chipset registers 36 Warm start shut down 37 Reinitialize the chipset 38 Shadow system BIOS ROM 39 Reinitialize the cache 3A Autosize cache 3C Configure advanced chipset registers 3D Load alternate registers with CMOS values 40 Set Initial Processor speed new 42 Initialize interrupt vectors 44 Initialize BIOS interrupts 46 2-1-2-3 Check ROM copyright notice 47 Initialize manager for PCI Option ROMs 48 Check video configuration against CMOS 49 Initialize PCI bus and devices 4A Initialize all video adapters in system 4B Display QuietBoot screen 4C Shadow video BIOS ROM 4E Display copyright notice 50 Display Processor type and speed 52 Test keyboard 54 Set key click if enabled 55 USB initialization 56 Enable keyboard 58 2-2-3-1 Test for unexpected interrupts Revision 1.0 39