Gateway 9510 User Manual page 161

Chapter 7: Troubleshooting
Check Diagnostic LED decoder
point G=Green, R=Red, O=Orange
40 Off R
50 Off R
52 Off R
60 Off R
75 Off O
78 G R
7A G R
7C G O
84 R G
85 R G
87 R G
8C O G
8D O G
8E O G
90 R Off
A0 R Off
A1 R Off
A2 R Off
A4 R G
A7 R G
156
Description
Off Off Detect different devices (parallel ports, serial ports, and
coprocessor in CPU, and so on) successfully installed in the
system and update the BDA, EBDA, and so on.
Off R Programming the memory hole or any kind of implementation
that needs an adjustment in system RAM size, if needed.
G R Update CMOS memory size from memory found in memory test.
Allocates memory for Extended BIOS Data Area from base
memory.
R Off Initialize NUM-LOCK status and programs the KBD typematic
rate.
R O Initialize Int-13 and prepare for IPL detection.
R R Initialize IPL devices controlled by BIOS and option ROMs.
O R Initialize remaining option ROMs.
R R Generate and write contents of ESCD in NVRam.
Off Off Log errors encountered during POST.
Off G Display error to the user and gets the user response to error.
G G Execute BIOS setup if needed/requested.
Off Off Late POST initialization of chipset registers.
Off G Build ACPI tables (if ACPI is supported).
G Off Program the peripheral parameters. Enable/disable NMI as
selected.
Off R Late POST initialization of system management interrupt.
R Off Check boot password if installed.
R G Clean-up work needed before booting to operating system.
O Off Take care of runtime image preparation for different BIOS
modules. Fill the free area in F000h segment with 0FFh.
Initializes the Microsoft
runtime language module. Disables the system configuration
display, if needed.
R Off Initialize runtime language module.
O G Display the system configuration screen, if enabled. Initialize the
CPUs before boot, including the programming of the MTRRs.
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IRQ Routing Table. Prepares the