2 Troubleshooting Procedures

2.4 System Board Troubleshooting

 

 

Table 2-5 Printer port LED suspend mode error status (3/3)

 

 

 

 

 

 

LED Status

Test item

Contents

 

 

 

 

 

 

 

40h

Prohibition of PCI arbiter

 

 

 

 

 

 

 

 

 

Setting of Wakeup event

 

 

 

 

 

 

 

 

 

Power-off of PC card

 

 

 

 

 

 

 

 

 

Re-setting backup current

 

 

 

 

 

 

 

 

 

Forced off of fan

 

 

 

 

 

 

 

 

 

Checks whether off-process for resume is

 

 

 

 

needed

 

 

 

 

Power LED control during suspending

 

 

 

 

 

 

 

 

 

Isolates built-in LAN.

 

 

 

 

 

 

 

 

 

Makes the power of sound off.

 

 

 

 

 

 

 

 

 

Makes the power of Dock off.

(For models supporting Dock)

 

 

 

 

 

 

 

41h

Model-unique processing just before

 

 

 

suspending

 

 

 

 

 

 

 

 

Waiting for completion of dividing for

 

 

 

 

suspending

 

 

 

 

Stops dividing of extension command for

 

 

 

 

power off.

 

 

 

42h

Measure for USB over current

 

 

 

 

 

 

 

 

 

Calculation of check sum of PnP RAM area

(Not work in suspending for boot)

 

 

 

 

 

 

 

 

Acquires how to turn the power off

 

 

 

 

 

 

 

 

 

Resets by EC.

(when required)

 

 

 

 

 

 

 

 

Makes not to send Eject Power Off

 

 

 

 

command when turn the power off by the

 

 

 

 

date check of alarm power on.

 

 

 

 

Prohibition of all SMI

 

 

 

 

 

 

 

 

 

Initializing of special register in suspending

 

 

 

 

 

 

 

 

 

Calculates the check sum of SMRAM and

 

 

 

 

stores it in SMRAM.

 

 

 

43h

Calculates the checksum of system BIOS in

(Checksum does not match during IRT)

 

 

the IRT side

 

 

 

 

 

 

 

Setting status of suspend completion

 

 

 

 

 

 

 

 

 

Prohibition of L1&L2

 

 

 

 

 

 

 

 

 

Power off process

(BIOS process is end because of reaching

 

 

 

P-OFF)

 

 

 

 

 

2-32

[CONFIDENTIAL]

TECRA S3 Maintenance Manual (960-532)

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Toshiba S4 manual LED Status Test item Contents