Toshiba Tecra S3 Maintenance Manual page 65

Table 2-4 Printer port LED boot mode status (4/9)
LED Status
(03h)
Resume error process
Copying ROM/RAM of system BIOS
04h Security check
05h SMRAM initialization
APIC initialization
WakeUp factor check
SMRAM base rewriting and CPU state
map saving for BIOS
Permission of SMI based on ASMI
06h Initialization of devices which need
initialization before PCI bus initialization.
TECRA S3 Maintenance Manual (960-532)
Test item
Transition to RESUME-MAIN
(
PIT test (Cold boot only) and initialization
CPU clock measurement
Check of parameter block A
Permission of SMI except auto-off function
Judging of destination (Japan or except
Japan) based on DMI data
2 Troubleshooting Procedures
Contents
Expansion memory checksum check
resume error (Resume error LED=76H)
PnP RAM checksum check (Resume
error LED=77H)
Reset of CPU clock to low
Prohibition of all SMI
Clearance of resume status
Return to ROM
Turning area of C0000h to EFFFFh to PCI
(Prohibition of DRAM)
Setting of resume error request
HLT, when error occurs )
Setting of test pattern to channel 0 of
PIT#0
Check whether the set test pattern can be
read
Initialization of PIT channel 0, Setting of
timer interruption interval to 55ms
Initialization of PIT channel 2, Setting of
the sound generator frequency to 664Hz
Test of PIT channel 1 (Check whether the
refresh signal works normally in 30 micro-
s refresh interval.) HLT, when the time is
out.
Test of PIT channel 2 (Check whether the
speaker gate works normally.)
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