2 Troubleshooting Procedures
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 2-21
Table 2-4 Printer port LED boot mode status (2/9)
LED Status Test item Contents
B9h Saving of key scan code
Setting of TASK_1ms_TSC
FAN control
Sound initialization (for BEEP sound) Cancel of sound m ute
Setting of volume to max (model that can
control volume)
When BIOS, EC/KB C r ewriting is
requested Blinks green ( c ycl e:2s, on: 1 s, off: 1s)
When BIOS renewal is prohibited Blinks orange (cycle:8s, on:4s, off:4s) HLT
after BEEP is sounded for 30s (LED=BBH))
When BIOS ROM is ab nor m al Blinks ora nge (cycle:2s, on: 1 s, off: 1s)
Key input Prohibi tion of USB
BEEP
Waiting for Ke y i nput
Reading of
CHGBIOSA.EXE/CHGFIRMA.EXE FDC RESET
Setting of parameters for 2HD (1.44MB)
Reading of firs t sect or , If it is the d ata of
1.44MB (2HD), the media type is definite.
Setting of parameters for 2DD (720KB)
Retrieval of “CHGBIOSA.EXE” fr om the
root direct or y.
Calculation of directory start head and
sector
Read 1 sector of the root direct ory
Retrieval of entry of “CHGBIOSA.EXE”
/“CHGFIRMA.EXE” from the sector
read.
Reading of EXE header of
“CHGBIOSA.EX E” and “ CHGFIR MA.EXE ”
Key input when error occurred
Execution of “CHGBIOSA.EXE” and
“CHGFIRMA.EXE”