Step 1540-40
The primary I/O drawer is the only I/O drawer that was connected to the CEC drawer. To isolate a faulty
RIO cable perform the following steps.
Note: Before continuing, check the cabling from the CEC drawer to I/O drawer(s) to ensure that the
system is cabled correctly. Refer to “Cabling the CEC Drawer, Primary I/O Drawer, and Secondary
I/O Drawer(s)” on page 46 for valid configurations. Record the current cabling configuration and
then continue with the following steps.
1. Turn off the power.
2. At the CEC drawer, disconnect the cable connection at RIO port 0.
3. At the primary I/O drawer, disconnect the cable connection at RIO port 0. The RIO cable that was
connected to RIO port 0 should now be loose and can be removed.
4. At the CEC drawer, disconnect the cable connection at RIO port 1 and reconnect it to RIO port 0.
5. At the primary I/O drawer, disconnect the RIO connection at RIO port 1. Reconnect this RIO cable
end to RIO port 0.
6. Verify that primary I/O drawer RIO port 0 is connected to the CEC drawer RIO port 0.
7. Turn the power on to boot standalone diagnostics from CD.
8. If the Please define the System Console screen is displayed, follow directions to select the system
console.
9. Use the Display Configuration and Resource List to list all attached devices and adapters (refer to the
RS/6000 and Eserver pSeries Diagnostic Information for Multiple Bus Systems if necessary).
10. Check that all attached devices and adapters are listed.
Did the Please define the System Console screen display and are all attached devices and adapters
listed?
NO Go to “Step 1540-17” on page 121
YES The RIO cable that was removed in step 3 above is defective. Replace the RIO cable. Connect
the new RIO cable from CEC drawer RIO port 1 to the primary I/O drawer RIO port 1. Reconfigure
the system to its original condition. Go to ″MAP 0410: Repair Checkout″ in the RS/6000 and
Eserver pSeries Diagnostic Information for Multiple Bus Systems.
Chapter 3. Maintenance Analysis Procedures 133
To Next Page
Loading...
Need help?
General