Troubleshooting During Post/Obp And During Boot Process - Sun Microsystems Netra CT Service Manual

2. If you do not see any output after connecting the TTY terminal to the CPU
transition card, remove it and connect it to the COM port of the CPU card and try
again.
4.7.6 Troubleshooting During POST/OBP and During
Boot Process
This section describes certain possible problems encountered while running POST
and OBP and during the boot process.
Symptom
POST error message displays:
cannot establish network service
Action
G
This might be a hardware address problem. Add or check the media access control
(MAC) address to the server and the IP address at the server.
Symptom
POST detects Ecache error and a message similar to the one below is displayed:
STATUS =FAILED
TEST =Memory Addr w/ Ecache
SUSPECT=U5201 and U5202
MESSAGE=Mem Addr line compare error
addr 00000000.00000000
exp 00000000.00000000
obs 88888888.88888888
Action
G
This might be a mounting issue with the CPU Mylar film, socket, or heatsink
which could have occurred during transportation or due to severe vibration.
Contact Sun s Enterprise Services Solution Center.
Chapter 4 Troubleshooting the System 4-23