2.4 System Board Troubleshooting

2 Troubleshooting Procedures

Table 2-4 Printer port LED suspend mode error status (3/3)

LED Status

Test item

Contents

 

 

 

36h

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.

(Models supporting Dock)

 

 

 

37h

Model-unique processing just before

Setting the corresponding-time of power

suspending

switch to 50ms

 

 

 

Setting the corresponding-time of panel

 

 

opening to 50ms

 

 

Setting Speed Step to Low

 

 

 

 

Waiting for completion of dividing for

 

 

suspending

 

 

Stops dividing of extension command for

 

 

power off.

 

38h

Measure for USB over current

 

 

 

 

 

Serial interrupt control

 

 

 

 

 

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.

 

39h

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 (completion of BIOS))

 

 

 

Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)

2-33

Page 84
Image 84
Toshiba A10 manual Printer port LED suspend mode error status 3/3