Intel manual SE7221BK1-E Technical Product Specification

SE7221BK1-E Technical Product Specification

	Diagnostic LED				Description
	Decoder
	G=Green, R=Red,
	A=Amber
	Hi			Low
78h	G	R	R	R	Extended background memory test start
7Ah	G	R	A	R	Disable parity and NMI reporting.
7Ch	G	A	R	R	Test 8237 DMA Controller: The DMA page register test passed. Performing the
					DMA Controller 1 base register test next
7Eh	G	A	A	R	Init 8237 DMA Controller: The DMA controller 2 base register test passed.
					Programming DMA controllers 1 and 2 next.
					Enable Mouse and Keyboard: The keyboard test has started. Clearing the
80h	R	Off	Off	Off	output buffer and checking for stuck keys. Issuing the keyboard reset command
					next
82h	R	Off	G	Off	Keyboard Interface Test: A keyboard reset error or stuck key was found. Issuing
					the keyboard controller interface test command next.
84h	R	G	Off	Off	Check Stuck Key Enable Keyboard: The keyboard controller interface test
					completed. Writing the command byte and initializing the circular buffer next.
86h	R	G	G	Off	Disable parity NMI: The command byte was written and global data initialization
					has completed. Checking for a locked key next
88h	A	Off	Off	Off	Display USB devices
8Ah	A	Off	G	Off	Verify RAM Size: Checking for a memory size mismatch with CMOS RAM data
					next
8Ch	A	G	Off	Off	Lock out PS/2 keyboard/mouse if unattended start is enabled.
					Init Boot Devices: The adapter ROM had control and has now returned control
8Eh	A	G	G	Off	to BIOS POST. Performing any required processing after the option ROM
					returned control.
90h	R	Off	Off	R	Display IDE mass storage devices.
92h	R	Off	G	R	Display USB mass storage devices.
94h	R	G	Off	R	Report the first set of POST Errors To Error Manager.
96h	R	G	G	R	Boot Password Check: The password was checked. Performing any required
					programming before Setup next.
98h	A	Off	Off	R	Float Processor Initialize: Performing any required initialization before the
					coprocessor test next.
9Ah	A	Off	G	R	Enable Interrupts 0,1,2: Checking the extended keyboard, keyboard ID, and
					NUM Lock key next. Issuing the keyboard ID command next
9Ch	A	G	Off	R	Init FDD Devices. Report second set of POST errors To Error messager
9Eh	A	G	G	R	Extended background memory test end
A0h	R	Off	R	Off	Prepare And Run Setup: Error manager displays and logs POST errors. Waits
					for user input for certain errors. Execute setup.
A2h	R	Off	A	Off	Set Base Expansion Memory Size
A4h	R	G	R	Off	Program chipset setup options, build ACPI Tables, build INT15h E820h table
A6h	R	G	A	Off	Set Display Mode
A8h	A	Off	R	Off	Build SMBIOS table and MP tables.
Aah	A	Off	A	Off	Clear video screen.
Ach	A	G	R	Off	Prepare USB controllers for operating system
Aeh	A	G	A	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.

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