Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual

Also see for A20-S259 - Satellite - Pentium 4 2.66 GHz: User guide Specification sheet

Contents

2 Troubleshooting Procedures 2.12 Sound Troubleshooting2-28 Satellite A20 Maintenance Manual (960-444)Table 2-3 Printer port LED boot mode status (6/8)LED Status Test item MessageRunning a task for waiting the completion of PnPresource creatingSerial interrupt control (before executing interrupt)PnP Hardware initializationPC card slot initializationFIR initializationPCI auto configurationPreparing work for auto configurationAcquiring PCI IRQConfiguration09h PnP Hardware initializationStoring the result of VGA configurationRunning a task for waiting the completion of PCIconfigurationInitialization of hardware that is necessary afterPCI configurationSetting of printer portStart of HDD initialization sequenceSD initialization0Ah Output code generationOutput code generation0Bh First 64KB memory check First 64KB memory check0Ch Interrupting vectorinitializationInterrupting vector initialization0Dh NDP initialization NDP initializationStoring CMOS error status in IRT error statusbufferStart of timer initializationInitialization of buffer for power saveEC initialization and reading battery information0Eh System initializationSystem BIOS update (Update of model name,EDID information for LCD)0Fh Waiting for the completion ofVGA chip, VGA BIOSinitializationWaiting for the completion of VGA chip, VGABIOS initialization10h Logo Display Logo Display11h System memory check Conventional memory check (Boot)12h External memory check Check of exceptional cases in protected mode(Boot)