IBM RT PC 10 Hardware Maintenance And Service page 127

Step 4
1. Set the power switch on the system unit to Off.
2. Remove the memory board in slot C and record the type.
3. Install the memory board you removed from slot D in slot C.
4. Be sure the power has been off 30 seconds, then set the power switch
on the system unit to On.
5. Wait two minutes, then answer the following question.
s
3-82 Service Manual
IS "23" DISPLAYED IN THE TWO-DIGIT DISPLAY?
YES Set the power switch on the system unit to Off.
1. Move the memory board now in slot C to slot D.
2. Exchange the memory board that was in slot C.
3. Go to "Step 8" on page 3-86.
NO Set the power switch on the system unit to Off.
1. Remove the memory board from slot C.
2. Look at the memory board type you recorded, then install the
original memory board in slot C.
3. Go to "Step 6" on page 3-84.