Toshiba TECRA S1 Manual Do Utilizador

Procedure 3 Printer Port LED Check (in Resume Mode) 
The printer port LED displays the POST status and error status by turning lights on and off as 
an eight-digit binary value obtained in the resume or suspend mode after the system unit is 
switched on. 
 
Follow the steps below to use the printer port LED: 

1.  Turn on the computer and set the resume or suspend mode. 
2.  Turn off the computer. 
3.  Plug the printer port LED into the computer's parallel port (printer port). 
4.  Read the LED status from left to right as you are facing the back of the computer. 
5.  Convert the LED status from binary to hexadecimal notation. 
6.  If the final LED status is FFh (normal status), go to Procedure 5. 
7.  If the final LED status matches any other status in Table 2-2, go to Procedure 6. 

 

Description

0H

DIAG_SYSTEM_INIT

Boot started,read the cmos data for makesure
main board power is stable

1H

DIAG_A20_DISABLE

Disable A20 through A20

2H

DIAG_INIT_CHIPSET

Initialize ChipsetSet,load chipset default
size chache RAM

3H

DIAG_TEST_RAM

send patten for test the basic 640k RAM

4H

DIAG_MOVE_BB_LOADER

Move boot load segment into the RAM

5H

DIAG_EXECUTE_IN_DRAM

program execution from DRAM

6H

DIAG_USER_FLASH_CHECK

Test print port for check

crisis option is enable or not

7H

DIAG_SHADOW_BIOS

Decompress the system BIOS, and
Shadow System BIOS to RAM

8H

DIAG_CHECKSUM_BIOS

Checksum System BIOS ROM

9H

DIAG_NORMAL_BOOT

Jump to the reset point

AH

DIAG_CRISIS_BOOT

Proceed with Crisis Boot,first initial
superio and boot device

FH

DIAG_FATAL_ERROR

Fatal Error,like the RAM error or ROM error

CCH

DIAG_CRISIS_BEGIN

Start process the Crisis recovery procedure

99H

DIAG_RESUME_RAM_ERROR

Resume SMRAM not Found