Intel SDS2 manual Bios

BIOS		Intel® Server Board SDS2
CP	Beeps	Reason
59		Initialize the POST display service
5A		Display prompt “Press F2 to enter SETUP”
5B		Disable L1 cache during POST
5C		Test RAM between 512 and 640k
60		Test extended memory
62		Test extended memory address lines
64		Jump to UserPatch1
66		Configure advanced cache registers
67		Quick init of all AP's early in post
68		Enable external and processor caches
69		Initialize the SMM handler
6A		Display external cache size
6B		Load custom defaults if required
6C		Display shadow message
6E		Display non-disposable segments
70		Display error messages
72		Check for configuration errors
74		Test real-time clock
76		Check for keyboard errors
7A		Test for key lock on
7C		Set up hardware interrupt vectors
7D		Intelligent system monitoring
7E		Test coprocessor if present
81		POST device initialization routine
82		Detect and install external RS232 ports
83		Configure non-MCD IDE controllers
84		Initialize parallel ports
85		Initialize PC-compatible PnP ISA devices
86		Re-initialize on board I/O ports
87		Configure Mother Board Configurable Devices
88		Initialize BIOS Data Area
89		Enable Non-Maskable Interrupts
8A		Initialize Extended BIOS Data Area
8B		Test and initialize PS/S mouse
8C		Initialize floppy controller
90		Initialize hard disk controller
91		Initialize local bus hard disk controller
92		Jump to UserPatch2
93		Build MPTABLE for multi-processor boards
94		Disable A20 address line
95		Install CD-ROM for boot
96		Clear huge ES segment register
48		Revision 1.2
		Order Number: A85874-002