Re: [foxboro] AW51B boot problem

Cyrus,

I had a similar problem on my AW51B box when the NVRAM had failed.  Check
the diag-switch? setting from the ok prompt using the following command:
printenv 
The last entry on ours is the diag-switch? and if it is set to true you
will get this.  The default is false.  If this is your case you can set it
back to false by the following:
setenv diag-switch? false  <Enter>.  Then reboot and see if this clears the
problem with the ARP/RARP messages.

Don't know is this is your problem, but it is something to check.

Jim Kahlden
jim.kahlden@xxxxxxxx 
Lower Colorado River Authority
Fayette Power Project
6549 Power Plant Road
La Grange, TX 78945
(979) 249-8514 (Ph)
(979) 249-8390 (Fax)

>>> cwtaft@xxxxxxxxxxxxxx 7/22/2004 3:46:28 PM >>>
I am having a problem getting the AW51B, ver. 6.1, on my ESSCOR simulator=

to boot.  It has the following messages:

Timeout waiting for ARP/RARP packet
Lost carrier (transceiver cable problem?)
Cable problem or twisted pair hub link-test disabled

Typing 'test net' at the ok prompt showed that the AUI ethernet port was
functioning properly but the TPE port failed the external loopback test. =

The AUI port is the second ethernet port to a plant lan, and the TPE port=

goes to the DNBI.  I have checked cables and see no obvious problems. =

There appear to be two connectors available for the TPE port.  One is som=
e
kind of a Sun specific connector and the other is the standard twisted pa=
ir
type of connector.  The DNBI cable is connected to the Sun connector.  If=
 I
connect the plant lan cable to the twisted pair connector and rerun the
test net, the TPE port shows good.  The AW module in the DNBI rack has a
green light on it but that's about all I know about it.  Any ideas on oth=
er
things I might check to figure out where this problem is?  Thanks for any=

help.

Cyrus Taft
EPRI I&C Center

.  =

 
 
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