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2 Troubleshooting 2.4 System board Troubleshooting
2-24 [CONFIDENTIAL] PORTEGE R200 Maintenance Manual (960-519)
Table 2-4 D port status (4/8)
D port Status Test item Message
Initialization of SMRAM
Check of Wake Up factor
Rewriting of SMRAM base and storing CPU state map
for BIOS
F105H
Permission only SMI by ASMI
Initialization of devices which need initialization before
initialization of PCI bus
PIT test (in the Cold Boot) and initialization
Setting of test pattern for CH0 of PIT#0
Checks whether the test pattern set can be read.
Initialization of PIT CH0 (Setting of timer interrupt
interval to 55ms)
Initialization of PIT CH2 (Setting of sound generator
frequency to 664Hz)
Test of PIT CH1 (Checks whether a refresh signal is
working properly when refresh interval is set to
30ms. HLT when the time is out.)
Test of PIT CH2 (Checks whether the speaker gate
is working properly.)
Measuring of CPU clock
Permits SMI except auto-off function
Checks parameter block A.
Control of over rating of input voltage
Control of battery discharge current (1CmA)
Control of over current rated of AC adapter
Division process for time measuring of IRT
Setting for clock generator
Check of parameter block A
CPU initialization
Update of micro code
Judgement of CPU type
Check of Geyserville support
F106H
Setting of CPU clock to “high”
Storing memory configuration in buffer
Reading EC version
Update of flash ROM type
F107H
Initialization of ACPI table (for executing an option ROM)