IBM RS/6000 7043 43P Series Service Manual page 70

Step 1540A-7 (Model 140 only)
1. Turn the power off.
2. Install the L2 cache card.
Does the operator panel do one of the following:
Stop with any code other than
– FDC, FF2, FF3, or F4D (Model 140)
Alternate between
– FFD and any other code (Model 140)
NO The system board or L2 cache card is defective.
1. Replace the L2 cache card and repeat this step.
2. Replace the system board and install the original L2 cache card and
repeat this step.
3. Replace the L2 cache card and repeat this step.
4. If the symptom did not change and both the system board and L2
cache card have been replaced, call your service support person for
assistance.
See notes on 2-1 regarding system board replacement.
YES Go to "Step 1540A-8" on page 2-29.
2-28
7043 43P Series Service Guide