IBM 5100 User Manual

Routine
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Number Description
Error Code Meaning
TR08
Tests interrupts
from the tape control card. 0907
Interrupts occurred
incorrectly.
TR10 Returns the last error code that occurred
to the MOl section.
0982
Status Error - Beginning of
This test is used only in the auxiliary tape tests, not in tape tape status active once, but
read program. not active now.
0983 Read Data Error - No
interrupt (read clock)
detected.
from either tape track.
0985 Read Data Error - No
(
interrupt (read clock) detected
from tape track 0 (format
track).
0986
Read Data Error - No
interrupt (read clock) detected
from tape track 1 (data
track).
0987
Read Data Error - No sync
byte (hex
E7) detected on
tape track 0 (format track).
0988
Read Data Error - No sync
byte (hex
E7) detected on
tape track 1 (data track).
r
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0989 Read Dsta Error - No sync
byte (hex
E7) on either tape
track.
TR39 Determines if the diagnostic mode line is active when it 0939
An interrupt occurred.
should not
be active. If it is active, eight read clocks are
generated by the tape control card, which,
in turn, causes an
interrupt from the base I/O (F2) card when one is not
expected.
TR40 Checks to determine if the tape clock line and write enable 0940 No interrupts occurred.
line become active and
that the read clock line is not an
open circuit. Every time the write enable line shifts, the read
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clock line should pulse and cause an interrupt from the base
I/O (F2) card.
TR43
Checks the diagnostic mode line by changing it between 0943
No interrupts occurred.
write and read operations.
TR46 Tests the missing interrupts
for wrap through read/write 0946 Less than three interrupts.
head. This tests the tape control card detector circuits. The
(
select channel line is changed between channel 0 and
channel 1 ten times and
at least three interrupts must occur.
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Diagnostic Program Routines 343

IBM 5100 Specifications

General

Brand	IBM
Model	5100
Category	Laptop
Language	English