Toshiba T4400SXC Maintenance Manual page 22

Table 2-1 Printer Port LED Error Status (2/2)
Error
status
Test item
Message
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
=
XXXXOOOOH - XXXXFFFFH
30H
Extended memory test EXTENDED MEMORY ERROR
ADDRESS
=
XXXXXXXXH
READ DATA
=
XXXXXXXXH
WRITE DATA
=
XXXXXXXXH
EXTENDED MEMORY PARITY ERROR
ADDRESS
=
XXXXOOOOH - XXXXFFFFH
40H DMA page register test
DMA PAGE REGISTER ERROR
READ DATA
=
XXH
WRITE DATA
=
XXH
41H
DMAC test DMAC #1 ERROR
READ DATA
=
XXXXH
WRITE DATA
=
XXXXH
DMAC #2 ERROR
READ DATA
=
XXXXH
WRITE DATA
=
XXXXH
42H DMAC initialization
-
4AH PIC test PIC U ERROR
READ DATA
=
XXH
WRITE DATA
=
XXH
PIC #2 ERROR
READ DATA
=
XXH
WRITE DATA
=
XXH
54H Keyboard test KEYBOARD ERROR
55H KBC initialization KBC ERROR
5AH Mouse initialization
-
60H HDD initialization HDC ERROR
HDD #0 ERROR
HDD
U
ERROR
65H FDD initialization
NO FDD ERROR
FDD ERROR
70H Printer test
-
BOH
RS-232-C test
-
90H Timer initialization TIMER INTERRUPT ERROR
RTC UPDATE ERROR
AOH NDP initialization
-
A6H Expansion I/O ROM
-
FFH Expansion system ROM -
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