IBM 6151 Maintenance And Service Manual page 85

28x
RT PC Multiprotocol Adapter
Additional Tests: Run the RT PC Multiprotocol Adapter
Checkout.
Removal Procedure: See Adapter Removal in Section 4.
Repair Checkout: Run the RT PC Multiprotocol Adapter
Checkout.
2Bx
System Board
Additional Tests: None
Removal Procedure: See System Board Removal in Section 4.
Repair Checkout: Run the System Checkout.
2Cx
System Board
Additional Tests: None
Removal Procedure: See System Board Removal in Section 4.
Repair Checkout: Run the System Checkout.
(6/88) Problem Isolation Charts 3-0020-7