2.4 System Board Troubleshooting 2 Troubleshooting Procedures
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 2-33
Table 2-6 Printer port LED resume mode error status (1/4)
LED Status Test item Contents
00h Refer to IRT printer LED error status.
01h Refer to IRT printer LED error status.
02h Refer to IRT printer LED error status.
03h Refer to IRT printer LED error status.
Clears flag for SMI control.
27h(not used) Renewal of Resume counter
26h Checks the WakeUp factors.
Rewriting of SMRAM BASE
28h Initializing devices necessary for
initialization before initializing PCI bus Initializing of PIT
Initializing of PIT channel 0 (Sets the interval of
timer interruption to 55ms)
Initializing of PIT channel 2 (Sets the sound
generator frequency to 664Hz)
Measuring CPU clock
Check of parameter block A
Permission of SMI other than auto-off function
Control of excess of rated input power
Control of battery discharging current (1CmA)
AC adapter rated over current control
Dividing for measuring of IRT time
Setting to clock generator
Initializing of CPU
Updating micro-code
Judgment of CPU type
Check of supporting Geyserville
Sets the CPU clock to High
Recovery of PIC register
Initialization of devices necessary for
initialization before initializing PCI bus 2 Setting of IDE device operation mode
Setting of AC’97/Azalia operation mode
Initializing of temperature control information
Initializing of KBC
VGA display-off and Reset control