Gateway 9315 manual 118

Check	Diagnostic LED decoder				Description
point	G=Green, R=Red, O=Orange
52	Off	R	G	R	Update CMOS memory size from memory found in memory test.
					Allocates memory for Extended BIOS Data Area from base
					memory.
60	Off	R	R	Off	Initialize NUM-LOCK status and programs the KBD typematic
					rate.
75	Off	O	R	O	Initialize Int-13 and prepare for IPL detection.
78	G	R	R	R	Initialize IPL devices controlled by BIOS and option ROMs.
7A	G	R	O	R	Initialize remaining option ROMs.
7C	G	O	R	R	Generate and write contents of ESCD in NVRam.
84	R	G	Off	Off	Log errors encountered during POST.
85	R	G	Off	G	Display error to the user and gets the user response to error.
87	R	G	G	G	Execute BIOS setup if needed/requested.
8C	O	G	Off	Off	Late POST initialization of chipset registers.
8D	O	G	Off	G	Build ACPI tables (if ACPI is supported).
8E	O	G	G	Off	Program the peripheral parameters. Enable/disable NMI as
					selected.
90	R	Off	Off	R	Late POST initialization of system management interrupt.
A0	R	Off	R	Off	Check boot password if installed.
A1	R	Off	R	G	Clean-up work needed before booting to operating system.
A2	R	Off	O	Off	Take care of runtime image preparation for different BIOS
					modules. Fill the free area in F000h segment with 0FFh.
					Initializes the Microsoft® IRQ Routing Table. Prepares the
					runtime language module. Disables the system configuration
					display, if needed.
A4	R	G	R	Off	Initialize runtime language module.
A7	R	G	O	G	Display the system configuration screen, if enabled. Initialize the
					CPUs before boot, including the programming of the MTRRs.
A8	O	Off	R	Off	Prepare CPU for operating system boot, including final MTRR
					values.
A9	O	Off	R	G	Wait for user input at config display, if needed.
AA	O	Off	O	Off	Uninstall POST INT1Ch vector and INT09h vector. De-initializes
					the ADM module.

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