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Table A-1
ROM Diagnostic Error Messages and Tests (Cont)
Tested During
Possible Source
Error Message
Test that Failed
Power-On Reset Self-Test
of Problem
LEDsON
Fatal
FLOPPY ERROR,
Floppy controller /
no
no
y
No diskette in drive x
3
no
INDEX PULSE
drive test 4a
during self-test, disk
FAILURE, DRIVE x
drive, cable, or VT18X
control module
FLOPPY ERROR,
Floppy controller /
y
no
y
RX180 disk drive,
3
no
MOTOR SPEED
drive test 4b
cable, or VT 18X
FAILURE, DRIVE x
control module
FLOPPY ERROR, SEEK
Floppy controller /
no
no
y
Unformatted diskette
1,2
no
FAILURE, DRIVE x
drive test 5
in drive x during self-
test, disk drive, cable,
or VT 18X control
module
FLOPPYERROR,READ
Floppy controller /
no
no
y
Faulty diskette, disk
2
no
SECTOR FAILURE,
drive test 6
drive, cable, or VT 18X
DRIVE x
control module
DISKETTE BOOT
System loader on
no
no
no
No diskette in drive;
1
no
FAILURE or ROM
diskette could not
disk 1 drive door is
DISK LOADER
transfer to system
open; no system
FAILURE
memory.
diskette loaded,
wrong drive selected;
disk I/O cable
disconnected;
diskette not fully in
drive, diskette center
hole bent.
<
-;
.....
Check diskette, reset
CD
x
terminal, and reboot
m
system diskette in
JJ
JJ
drive A.
0
JJ
SYSTEM DISK
ROM loader failed
no
no
no
Faulty system
~
m
LOADER FAILURE
to boot system
diskette
en
en
diskette.
»
(j)
01
Y
=
yes, P
=
partial test, c
=
conditional (test is run if connection is made).
x
=
disk drive (A, B, C, or D)
m
en
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