2.4 System Board Troubleshooting

2 Troubleshooting Procedures

Table 2-4 Printer port LED boot mode status (6/9)

LED Status

Test item

Contents

 

 

 

08h

PCI bus initialization (connection of DS

 

 

Bus)

 

 

Initialization of LAN information

 

 

 

 

 

WakeUp factor check

 

 

 

 

09h

Task generation for waiting INIT_PCI

 

 

completion

 

 

CMOS data initialization (2)

 

 

PnP initialization

 

 

Setting of setup items

 

 

Waiting for the completion of Multi-box

 

 

status check

 

 

H/W setting based on resource

 

 

 

 

0Ah

Task generation for waiting PnP resource

 

 

making completion

 

 

PnP H/W initialization

PC card slot initialization

 

 

 

 

 

SIO initialization (For models supporting

 

 

SIO)

 

 

FIR initialization (For models supporting FIR)

 

 

 

 

PCI automatic configuration

Making of work for automatic configuration

 

 

 

 

 

Acquisition of PCI IRQ

 

 

 

 

 

Configuration

 

 

 

 

 

Saving of VGA configuration result

 

 

 

0Bh

 

Task generation for waiting

 

 

PCI_CONFIGURATION completion

 

Initialization of H/W needed after PCI

Printer port setting (model supporting Printer

 

configuration

port)

 

 

 

 

 

HDD initialization sequence start

 

 

 

 

 

FDD initialization sequence start (model

 

 

supporting built-in FDD)

 

 

 

 

Enabling power off

 

 

 

 

 

Output code generation

 

 

 

 

0Ch

FIRST_64KB_CHECK

(Check of first 64KB memory)

 

 

 

0Dh

INIT_INT_VECTOR

(Initialization of vectors)

 

 

 

0Eh

INIT_NDP

(Initialization of NDP)

 

 

 

TECRA S3 Maintenance Manual (960-532)

[CONFIDENTIAL]

2-25

Page 67
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Toshiba S4 manual FIRST64KBCHECK