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 3, “Parts listing, Type 4364, 4365, or 4366 server,” on page 15 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
405-xxx-00n Failed Ethernet test on adapter in PCI slot.
v For single port,n>0
v For dual port,n>1
1. If adapters are installed in both slots on the riser
card, run the Configuration/Setup Utility program
and select Devices and I/O Ports → System
MAC Addresses.
The failing adapter is the one whose MAC
address in the Ethernet controller information
matches the MAC address on the diagnostics
screen where the failure occurs.
2. Reseat the Ethernet adapter in the slot.
3. Replace the Ethernet adapter in the slot.
Recovering from BIOS update failure
You can update the BIOS code by using an external USB diskette drive or by using
a Linux or Windows update package (if available). See “Updating the firmware” on
page 11 for information about downloading the files for updating.
If power to the server is interrupted while the BIOS code is being updated (flash
update), or if the primary BIOS page in protected memory otherwise becomes
damaged, the server might not restart correctly or might not display video (no
video). If this happens, use the following procedure to recover:
1. Read the safety information that begins on page vii and “Handling
static-sensitive devices” on page 26.
2. Turn off the server and peripheral devices and disconnect all external cables
and power cords; remove the server from the rack and place it on a flat,
static-protective surface; then, remove the cover.
3. Locate the boot block recovery jumper (JP4 on the system board) (see
“System-board switches and jumpers” on page 7).
4. Move the boot block recovery jumper from pins 1 and 2 to pins 2 and 3.
5. Replace the server cover.
6. Connect the server to the power source, keyboard, monitor, and mouse.
7. Insert the BIOS update (flash) diskette into the diskette drive. You can
download a file to create this diskette from http://www.ibm.com/servers/eserver/
support/xseries/index.html.
8. Turn on the server and the monitor.
9. After the update session is completed, turn off the server and monitor.
10. Remove the diskette from the diskette drive.
11. Disconnect all power cords; then, remove the server cover.
12. Return the boot block recovery jumper to pins 1 and 2.
13. Reinstall the server cover; then, reconnect all external cables and power cords
and turn on the peripheral devices.
14. Turn on the server to restart the operating system.
Chapter 5. Diagnostics 103
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