Toshiba T3200 User Manual page 25

PROCEDURE 3
Printer Port LED Check
1. Turn the POWER switch off.
2. Plug the printer port LED into the PRT/FDD connector on the
back of the unit.
3.
Turn the POWER switch on while watching the printer port
LED.
The printer port LED will light at the same time that the
POWER switch is turned on.
4. Read the final LED status as a hexadecimal value from left
to right.
5. If the final LED status matches any of the error code values
1n the table 2-6 (See the next page.), go to PROCEDURE 5.
6. If the final LED status is
19B,
go to PROCEDURE 4 and
continue.
TABLE 2-5 Printer Port LED Normal Status
Status Messages
01 (H) Initial setup of LSI start
02 (H)
Initial setup of RTC end
03 (H)
Initial setup of PIT end
04 (H) Initial setup of DMAC(#1) end
05(H) Initial setup of DMAC(#2) end
06 (H) Initial setup of PIC (#1) end
07 (H)
Initial setup of PIC (#2) end
08 (H)
Initial setup of DMA page register end
09 (H) Initial setup of KB controller end
OA (H) Initial setup of memory (0 - 64 KB) end
OB (H)
Initial setup of memory (64 - 640 KB) end
OC (H)
Initial setup of memory (more than 1 MB) Protect mode end
OD (H) Initial setup of memory (more than 1 MB) Real mode end
OE(H) Check a checksum of CMOS end
OF (H)
Check ciassfication of CRT end
10 (H)
Check item of CMOS end
11 (H) Initial setup of CRT end
12 (H) Initial setup of keyboard end
13 (H) Initial setup of Timer end
14 (H) Initial setup of FDD end
15 (H) Initial setup of HDD end
16(H) Initial setup of option ROM end
17 (H)
Initial setup of printer end
18 (H) Initial setup of RS232C end
19 (H)
Prepare the boot end
2-13