Toshiba T6400, Maintenance Manual

Page: 32 / 198

2-16
Table 2-2 Printer port LED test status
Printer Port
LED Indication
Test
Status
Test Item Message
A B
01H Pre-init for warm start test -
05H PIT test
TIMER CH. 2 OUT ERROR
PIT ERROR
READ DATA = XXH
WRITE DATA = XXH
06H PIT initialization -
07H PIT function test MEMORY REFRESH ERROR
0AH First 64KB memory test FIRST 64KB MEMORY ERROR
0BH System memory initialization -
0DH Interrupt vector initialization
-
15H RTC test
RTC ERROR
READ DATA = XXH
WRITE DATA = XXH
15H CMOS RAM test
****Error in CMOS. Bad battery****
****Error in CMOS. Bad check sum****
****Error in CMOS. Bad configuration****
****Error in CMOS. Bad memory size****
****Error in CMOS. Bad HDD type****
****Error in CMOS. Bad time function****
Check system. Then press [F1] key..
16H RTC initialization -
18H PIC initialization -
1FH Display initialization
CRTC ERROR
VRAM ERROR
READ DATA = XXXXXXXXH
WRITE DATA = XXXXXXXXH
22H KBC test KBC ERROR
25H System memory test
SYSTEM MEMORY ERROR
ADDRESS = XXXXXXXXH
READ DATA = XXXXXXXXH
WRITE DATA = XXXXXXXXH
SYSTEM MEMORY PARITY ERROR
ADDRESS = XXXX0000H - XXXXFFFFH
30H Extended memory test
EXTENDED MEMORY ERROR
ADDRESS = XXXXXXXXH
READ DATA = XXXXXXXXH
WRITE DATA = XXXXXXXXH
EXTENDED MEMORY PARITY ERROR
ADDRESS = XXXX0000H - XXXXFFFFH
= On
= Off