Intel SAI2, Specification, Page: 49 / 82

SAI2 Server Board TPS Basic Input Output System (BIOS)
Revision 1.0 39
CP Beeps Reason
0C Initialize caches to initial POST values
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