v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 4, “Parts listing, Types 4255, 7945, and 7949 server,” on page 157 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units
(FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Error code Description Action
2011001 PCI-X SERR
1. Check the riser-card LEDs.
2. Reseat all affected adapters and riser cards.
3. Update the PCI device firmware.
4. Remove the adapter from the riser card.
5. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Riser card
b. (Trained service technician only) System
board
2018001 PCI Express uncorrected or uncorrected
error
1. Check the riser-card LEDs.
2. Reseat all affected adapters and riser cards.
3. Update the PCI device firmware.
4. Remove both adapters from the riser card.
5. Replace the following components one at a time,
in the order shown, restarting the server each
time:
a. Riser card
b. (Trained service technician only) System
board
36 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide