Intel SX220 manual 133, Post Diagnostic LED Decoder Description, Code

Table 41 : POST Codes (Continued)

Post	Diagnostic LED Decoder				Description
	G=Green, R=Red, A=Amber
Code
	MSB			LSB
9Bh	A	Off	G	A	Float Processor Initialise: Performing any required initialisation before the
					coprocessor test next.
9Eh	A	G	G	R	Enable Interrupts 0,1,2: Checking the extended keyboard, keyboard ID, and
					NUM Lock key next. Issuing the keyboard ID command next
A2h	R	Off	A	Off	Report second set of POST errors To Error messager
86h	R	G	G	Off	Prepare And Run Setup: Error manager displays and logs POST errors.
					Waits for user input for certain errors. Execute setup.
8Bh	A	Off	G	G	Set Base Expansion Memory Size
8Ch	A	G	Off	Off	Adjust Setup: Programming the Setup options next.
A5h	R	G	R	G	Set Display Mode
A7h	R	G	A	G	OEM Patch 12
A7h	R	G	A	G	Build SMBIOS table and MP tables.
A7h	R	G	A	G	Program hotkey and timeout settings in keyboard controller.
A7h	R	G	A	G	Processor initialisation before boot.
A7h	R	G	A	G	Copy required language strings to shadow RAM.
AAh	A	Off	A	Off	Clear video screen.
000h	Off	Off	Off	Off	One Beep to indicate end of POST. No beep if silent boot is enabled.
000h	Off	Off	Off	Off	POST completed. Passing control to INT 19h boot loader next.

Viglen SX220 User Guide 133