2 Troubleshooting Procedures

2.4 System Board Troubleshooting

Table 2-5 Printer port LED suspend mode error status (1/3)

LED Status

Test item

Contents

 

 

 

 

 

Sets the parallel port to D0 state.

 

 

(For models supporting PRT port)

 

 

 

36h

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

 

 

 

 

37h

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.

 

 

 

 

 

Clears resume/power-off status.

 

 

 

 

 

Storing and initializing of special PCI

 

 

configuration register

 

 

 

 

 

Prohibits clock control.

 

 

 

 

 

Recognition of suspending for boot/ resume

 

 

 

 

 

Branch of resume mode (LED=38H) or boot

 

 

mode (LED=3DH)

 

 

 

 

38h

Powering-off during resuming

Halts HC.

 

 

Starts sequence for storing display system.

 

 

 

2-30

[CONFIDENTIAL]

TECRA S3 Maintenance Manual (960-532)

Page 72
Image 72
Toshiba S4 manual Sets the parallel port to D0 state