v Check for operating-system-specific causes of the problem.
v Make sure that the device drivers on the client and server are using the same
protocol.
If the Ethernet controller still cannot connect to the network but the hardware
appears to be working, the network administrator must investigate other possible
causes of the error.
Solving undetermined problems
If Dynamic System Analysis (DSA) did not diagnose the failure or if the server is
inoperative, use the information in this section.
If you suspect that a software problem is causing failures (continuous or
intermittent), see “Power problems” on page 289.
Corrupted data in CMOS memory or corrupted UEFI firmware can cause
undetermined problems. To reset the CMOS data, use the CMOS jumper to clear
the CMOS memory and override the power-on password; see “System-board
switches and jumpers” on page 31. If you suspect that the UEFI firmware is
corrupted, see “Recovering the server firmware” on page 300.
If the power supplies are working correctly, complete the following steps:
1. Turn off the server.
2. Make sure that the server cover is closed and latched correctly.
3. Make sure that the server top cover/power cut-off switch cable is connected
correctly.
4. Make sure that the server is cabled correctly.
5. Remove or disconnect the following devices, one at a time, until you find the
failure. Turn on the server and reconfigure it each time.
v Any external devices.
v Surge-suppressor device (on the server).
v Printer, mouse, and non-IBM devices.
v Each adapter.
v Hard disk drives.
v Memory modules. The minimum configuration requirement is 2 GB DIMM
in slot 1 when one microprocessor is installed in the server.
6. Turn on the server.
If the problem is solved when you remove an adapter from the server but the
problem recurs when you reinstall the same adapter, suspect the adapter; if the
problem recurs when you replace the adapter with a different one, suspect the riser
card.
If you suspect a networking problem and the server passes all the system tests,
suspect a network cabling problem that is external to the server.
298 System x3300 M4 Type 7382: Installation and Service Guide
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