2 Troubleshooting Procedures

2.4 System Board Troubleshooting

Table 2-5 Debug port (Boot mode) error status (8/10)

D port status

Inspection items

Details

 

 

 

F115H

EXT_MEM_CHECK

(Check of exception in the protected mode)(Boot)

 

 

 

F116H

Exception check in the protected

Dport=F117h when error occurs

 

mode

 

 

INIT_SYS_MEM

Initialization of conventional memory (Reboot)

 

 

 

F118H

CHK_DMA_PAGE

(Check of DMA Page Register) (Boot)

 

 

 

F119H

CHECK_DMAC

(Initialization of DMAC) (Boot)

 

 

 

F11AH

INIT_DMAC

(Initialization of DMA) (Boot)

 

 

 

F11CH

CHECK_SIO

(Check of SIO) (For models supporting SIO)

 

 

 

F11DH

BOOT_PASSWORD

(Check of password)

 

 

 

 

 

(In the case of “Reboot”)

 

 

 

 

 

Waiting for HDD initialization completion

 

 

 

 

 

Check of key input during IRT (waiting for KBC

 

 

initialization completion)

 

 

Initialization of ATA priority

 

 

 

 

 

(In the case of “Boot”)

 

 

 

 

 

BM loading process (for models supporting

 

 

fingerprint authentication)

 

 

 

 

 

Initialization of BM (for models supporting

 

 

fingerprint authentication)

 

 

 

 

 

Check of key input during IRT (waiting for KBC

 

 

initialization completion)

 

 

 

 

 

Input of password

 

 

 

 

 

BM opening (for models supporting fingerprint

 

 

authentication)

2-26

[CONFIDENTIAL]

PORTEGE R500 Maintenance Manual (960-634)

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Toshiba r500 manual Initsysmem