IBM eServer 260 Series Installation Manual page 59

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide 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.
An IBM optional device that
used to work does not work
now.
1. Make sure that all of the hardware and cable connections for the device are
secure.
2. If the device comes with test instructions, use those instructions to test the
device.
3. If the failing device is a SCSI device, make sure that:
v The cables for all external SCSI devices are connected correctly.
v The last device in each SCSI chain, or the end of the SCSI cable, is
terminated correctly.
v Any external SCSI device is turned on. You must turn on an external SCSI
device before turning on the server.
4. Reseat the failing device.
5. Replace the failing device.
Chapter 5. Solving problems
47