IBM RT PC Problem Determination Manual page 60

2-32 Problem Determination Guide
Note that u is displayed in the upper half of the two-digit display.
Two-Digit Service Request
Display
Number or Problem
00 11-100-84A-490
01 11-84A
02 11-100-19B
03
11-F6C-84A
04 11-84A-100
05 11-981-F6C-84A
07 11-100-84A
08
11-84A-100
09 11-100-780
0c 11-100-8EA-490
Ou 11-100-18A-490
10
11-100-84A
11 11-100
12 11-100
14
11-F80
lc
11-8EA
lu 11-18A
22
11-F80-64A
23 11-984-F80-100
25
Software problem
during soft IPL.
27 11-F6C
30 12-490
31 12-410
32 12430
33 12450
Unit to be Serviced
or Problem Solution
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit and
Keyboard
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
System Unit
Power off to clear
problem.
System Unit
System Unit
System Unit
System Unit
System Unit