Table - Toshiba PORTEGE R400 Maintenance Manual

2 Troubleshooting Procedures
Table 2-4 Debug port (Boot mode) error status (8/10)
D port status
F115H EXT_MEM_CHECK
F116H Exception check in the protected
mode
INIT_SYS_MEM
F118H
CHK_DMA_PAGE
F119H
CHECK_DMAC
F11AH INIT_DMAC
F11BH CHECK_SIO
F11DH Diagnostic Test
F11EH In the case of a Diagnostic Test
support model and the function is
enabled
BOOT_PASSWORD
2-28 [CONFIDENTIAL]
Inspection items Details
(Check of exception in the protected mode)(Boot)
Dport=F117h when error occurs
Initialization of conventional memory (Reboot)
(Check of DMA Page Register) (Boot)
(Initialization of DMAC) (Boot)
(Initialization of DMA) (Boot)
(Check of SIO) (For models supporting SIO)
In the case of a Diagnostic Test support model and
the function is enabled
(Check of password)
Waiting for FDD initialization completion
(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
I/O LOCK processing (I/O LOCK support model)
Initialization of TPM (TPM support model)
PORTEGE R400 Maintenance Manual (960-623)