Toshiba Satellite A10 Maintenance Manual page 78

2.4 System Board Troubleshooting
LED Status
11h
12h
13h (14h)
15h
16h
17h
18h
19h
1Ah
1Bh
1Ch
Satellite A10/TECRA A1/Satellite Pro A10 Maintenance Manual (960-445)
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Table 2-3 Printer port LED boot mode status (7/8)
Test item
SYS_MEM_CHECK
EXT_MEM_CHECK
INIT_SYS_MEM
(LED=14h if error occurred
during exception check in
protected mode)
CHK_DMA_PAGE
CHECK_DMAC
INIT_DMAC
CHECK_PRT
CHECK_SIO
BOOT_PASSWORD
(In the case of "Reboot")
(In the case of "Boot")
EX_IO_ROM_CHECK
PRE_BOOT_SETUP
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2 Troubleshooting Procedures
Contents
Check of conventional memory (Cold boot only)
Exception check in protected mode (Cold boot only)
Initialization of conventional memory (Reboot only)
Check of DMA Page Register (Cold boot only)
Check of DMAC (Cold boot only)
Initialization of DMAC (Cold boot only)
Check of printer port existence (for models
supporting PRIT)
Check of SIO (for models supporting SIO)
Check of password
Waiting for HDD initialization completion
Check of key input during IRT (waiting for KBC
initialization completion)
ATA priority initialization
BM loading process (for models supporting
fingerprint certification function)
Initialization of BM (for models supporting
fingerprint certification function)
Check of key input during IRT (waiting for KBC
initialization completion)
Input of password
BM open (for models supporting fingerprint
certification function)
Check of option I/O ROM
Saving of value in 40:00h (for SIO saving/restoring)
Setting of font address for resume password
Setting of repeat parameter for USB KB
Final check of key input during IRT
Storing of T_SHADOW_RAM_SIZE
Update of system resource before boot
Rewriting of memory map data of INT15h E820h
function
Waiting for AC-Link initialization completion
2-27