Intel SDS2 manual Bios

Intel® Server Board SDS2			BIOS
CP	Beeps		Reason
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 4GB
28	1-3-3-1	Auto size DRAM, system BIOS stops execution here if the BIOS does not detect any usable
		memory DIMMs
29		Initializes the POST Memory Manager
2A		Clear 8 MB base RAM
2C	1-3-4-1	Base RAM failure, BIOS stops execution here if entire memory is bad
2E		Test the first 4MB of RAM
2F		Initialize external cache before shadowing
32		Test Processor bus -clock frequency
33		Initializes the Phoenix Dispatch Manager
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		Auto size cache
3C		Configure advanced chipset registers
3D		Load alternate registers with CMOS values
41		Check unsupported processor
40		Set Initial Processor speed new
42		Initialize interrupt vectors
44		Initialize BIOS interrupts
45		POST device initialization
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 Quiet Boot screen
4C		Shadow video BIOS ROM
4E		Display copyright notice
4F		Allocate memory for the multiboot data
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 1.2			47
		Order Number:	A85874-002