Toshiba Satellite Pro A120, Maintenance Manual

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2 Troubleshooting Procedures 2.4 System Board Troubleshooting
2-38 [CONFIDENTIAL] TECRA A8 /Satellite Pro A120 Maintenance Manual (960-573)
Table 2-4-2 Debug port (Boot mode) error status (5/9)
D port status Inspection items Details
Check of CMOS default check (When there is bad battery or bad checksum (ROM,
CMOS), executes default setting.)
Control of over input power
Control of battery discharge
current (1CmA)
Control of over current of AC
adaptor
Execution of the dividing process
for measuring IRT time
Setting of clock generator
(F106)
Initialization of CPU
Saving memory configuration to
buffer
Reading of EC version
Update of flash ROM type
Initialization of ACPI table (for execution of option ROM)
Permission of PCI Arbitration
Initializing of Chipset A-LINK
Setting of operation mode of IDE device
Setting the operation mode AC97’/Azaria and
control of AC97’
Initialization of temperature control information
KBC initialization
VGA display off, Reset control
Control of built-in LAN permission/prohibition
Initialization of PCI Express
Sound initialization
PC multi-box status acquisition ( model supporting
select bay)
HC initialization, device connection recognition
F107
Initialization of devices which
need initialization before PCI bus
initialization
Recognition of SD memory card and initialization
PCI bus initialization
Initialization of LAN information
F108
Check of WakeUp factor