DIAGNOSTICS (continued) NM2B
Table 2-1: NARKOMED 2B ERROR CODES, GROUP 1
Left
Char. Error(s)
Right
Char. Error(s)
0 No Error 0 No Error
1 System memory fail (checkerboard test) 1 CRT controller fail (readback test)
2 System memory fail (ROM compare test) 2 CRT memory fail (checkerboard test)
3 System memory fail (checkerboard test)
System memory fail (ROM compare test)
3 CRT controller fail (readback test)
CRT memory fail (checkerboard test)
4 CTC fail (timer function test) 4 CRT memory fail (ROM compare test)
5 CTC fail (timer function test)
System memory fail (checkerboard test)
5 CRT memory fail (ROM compare test)
CRT controller fail (readback test)
6 CTC fail (timer function test)
System memory fail (ROM compare test)
6 CRT memory fail (ROM compare test)
CRT memory fail (checkerboard test)
7 CTC fail (timer function test)
System memory fail (ROM compare test)
System memory fail (checkerboard test)
7 CRT memory fail (ROM compare test)
CRT memory fail (checkerboard test)
CRT controller fail (readback test)
8 CTC fail (interrupt logic test) 8 ROM fail (firmware CRT test)
9 CTC fail (interrupt logic test)
System memory fail (checkerboard test)
9 ROM fail (firmware CRT test)
CRT controller fail (readback test)
A CTC fail (interrupt logic test)
System memory fail (ROM compare test)
A ROM fail (firmware CRT test)
CRT memory fail (checkerboard test)
B CTC fail (interrupt logic test)
System memory fail (ROM compare test)
System memory fail (checkerboard test)
B ROM fail (firmware CRT test)
CRT memory fail (checkerboard test)
CRT controller fail (readback test)
C CTC fail (interrupt logic test)
CTC fail (timer function test)
C ROM fail (firmware CRT test)
CRT memory fail (ROM compare test)
D CTC fail (interrupt logic test)
CTC fail (timer function test)
System memory fail (checkerboard test)
D ROM fail (firmware CRT test)
CRT memory fail (ROM compare test)
CRT controller fail (readback test)
E CTC fail (timer function test)
CTC fail (interrupt logic test)
System memory fail (ROM compare test)
E ROM fail (firmware CRT test)
CRT memory fail (ROM compare test)
CRT memory fail (checkerboard test)
F CTC fail (interrupt logic test)
CTC fail (timer function test)
System memory fail (ROM compare test)
System memory fail (checkerboard test)
F ROM fail (firmware CRT test)
CRT memory fail (ROM compare test)
CRT memory fail (checkerboard test)
CRT controller fail (readback test)
Rev. L
2-4
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