IBM 3270 Maintenance Manual page 160

1.
Use the table below to find the first character
of the error code and the corresponding
swi tch settings .
2. Compare these switch settings with those of
all the 64/256KB Memory Expansion Adapters
in your system. The failing option is the one
with the switch settings that match those in
the table.
First Character
of Error -Code
6, 7, 8, or 9
64/256KB
Expansion Option
Switch Settings
1 2 3 4 5-8
On Off Orf On N/A
DOES YOUR SYSTEM HAVE A 64/256KB
MEMORY EXPANSION ADAPTER WITH
SWITCH SETTINGS THAT MATCH THOSE
SHOWN ABOVE?
NO Compare your switch settings with the
switch settings in the chart above. Make
the necessary corrections, then go to page
3-200-1 and follow the PIC again.
YES
October 1984 3-200-35