The multi-adapter bridge detected a problem with a card location that it controls.

The problem is in the controls for the card slot. The card location may or may not have an installed card. If there is a card installed in that location, it may be the source of the problem. In some cases, the user interface view of the servicable event will list more than one card position for this FRU's location. The problem may be with any one of the FRU's in those locations. When there is a list of locations in this FRU's location code, the card locations will be separated by commas. A range of card positions will show the starting card position, a colon, and the ending card position.

Note: Any IOPs plugged into slots owned by a Linux^® partition will not power on. This error will be logged. Correct the situation by removing the IOP cards.

1. Is there a single card position listed in the serviceable event user interface of an operating system, service processor, or the HMC for this failing item?
   • No: Continue with the next step.
   • Yes: Go to step 5.

2. Is there a range of card positions (PCI bridge set) listed in the problem view for this failing item?
   • No: Continue with the next step.
   • Yes: LIC could not identify the slot with the error. Perform MABIP50. to determine the card position with the failure. The MABIP50 procedure is available in the service guide for the system unit.

     This ends the procedure.

3. Record the Direct Select Address (DSA), which is word 7 of the reference code from the problem view display.
4. Examine the multi-adapter bridge function number in the DSA (see DSA translation), "DSA translation" is available in the service guide for the system unit.

   Is the multi-adapter bridge function number less than or equal to 7?

   • Yes: Go to procedure MABIP53 to locate the card, and then continue with the next step. The MABIP53 procedure is available in the service guide for the system unit.
   • No: LIC could not identify the slot with the error. Perform MABIP50 to determine the card position with the failure. The MABIP50 procedure is available in the service guide for the system unit.

     This ends the procedure.

5. Does the reference code that sent you here appear more than once, or does another reference code with this symbolic FRU appear from the same IPL and against the same resource?
   • Yes: The failure is at the multi-adapter bridge. Do not use this symbolic FRU; instead, go to the next failing item in the list.

     This ends the procedure.

   • No: Locate the message in the following table to determine the problem and necessary corrective action.

Table 1. Card slot errors

Problem or message	Meaning or corrective action
Slot unavailable due to 64-bit card in adjacent slot.	The card location specified in the DSA is unavailable for the card installed there. Do not use that card location. The card location with a multi-adapter bridge function number one less than the multi-adapter bridge function number in the DSA has a 64-bit card installed. The 64-bit card is using the 32-bit PCI bus of the card location specified in the DSA. To determine the multi-adapter bridge function numbers and the card locations they specify, see DSA translation, "DSA translation" is available in the service guide for the system unit.
LED control failure, do not use slot.	System code has detected a problem with the controls for the LED at the card location specified by the DSA. Do not use that card location.
Power control failure, do not use slot.	System code has detected a problem with the power controls at the card location specified by the DSA. Do not use that card location.
Multi-adapter bridge card slot error, do not use card slot.	System code has detected a problem with the controls at the card location specified by the DSA. Do not use that card location.

This ends the procedure.