2.4 System Board Troubleshooting

2 Troubleshooting Procedures

Table 2-4 Printer port LED suspend mode error status (1/3)

LED Status

Test item

Contents

 

 

 

 

 

Sets the parallel port to D0 state.

 

 

 

2Bh

Release resources used for identification

(For model supporting the fingerprint

of fingerprint.

identification)

 

2Ch

Prohibition of THERMAL DUTY (to

 

prevent not generating of SMI).

 

 

 

 

When powering-off request from OS is

 

 

required, waiting for the completion of

 

 

dividing process because waiting in

 

 

SUSPEND of Runtime returns the

 

 

process to OS.

 

 

 

 

 

Forced execution of dividing

(Permission of SMI for dividing)

 

 

 

 

Waiting for completion of dividing

 

 

 

 

2Dh

After prohibiting of all SMI, permits I/O

 

trap(EHCI) and external SMI.

 

 

 

 

Starts dividing to transmit periodically

 

 

extension command (every 25 seconds)

 

 

not to generate time-out of power-off.

 

 

When in recovery from hibernation, turn

 

 

off the power, without doing anything.

 

 

Clears resume/power-off status.

 

 

 

 

 

Storing and initializing of special

 

 

configuration register

 

 

Prohibits clock control.

 

 

 

 

 

Prohibits forced-power-off by detection of

 

 

LB2.

 

 

Recognition of suspending for boot/

 

 

resume

 

 

 

 

 

Branch of resume mode (LED=2EH) or

 

 

boot mode(LED=33H)

 

2Eh

Powering-off during resuming

Halts HC.

 

 

 

 

If in password process, recovers display

 

 

information.

 

 

Starts sequence for storing display

 

 

system.

 

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

2-31

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Image 82
Toshiba A10 manual Printer port LED suspend mode error status 1/3, LED Status Test item Contents