IBM 6151 Maintenance And Service Manual page 114

8Cx
IBM 5083 Model 1 Tablet
Additional Tests: Run the IBM 5083 Model Ix Tablet
Checkout.
Removal Procedure: See the Tablet "Removal Procedure" on
page 10-145-2.
Repair Checkout: Run the IBM 5083 Model Ix Tablet
Checkout.
8Dx
Network Problem
This SRA number indicates that there may be a problem with
the Network.
8Ex
Advanced Processor Board
Additional Tests: None
Removal Procedure: See Processor, Floating-Point, or System
Memory Removal in Section 4.
Repair Checkout: Run the System Checkout.
3-0020-36 Service Manual