Gateway 9510 Gateway 9510 Server User Guide - Page 161

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