I have found myself for this one. The 32-bit kernel is the default on 200
Mhz and lower UltraSPARC systems. the one I had the problem is 296 MHz
 by default come up with 64-bit kernel, which won't recognize the FDDI
interface. Switch to the 32-bit kernel, everything comes normal.
*--------------------------------------------------------------*
* Institute for Computer Applications in Science & Engineering *
*  Shouben Zhou                  |                             *
*  ICASE, Mail Stop 132C         |                             *
*  3 West Reid St. Bldg. 1152    | Phone: (757) 864-6558       *
*  NASA Langley Research Center  |   Fax: (757) 864-6134       *
*  Hampton, VA 23681-2199        | Email: szhou@icase.edu      *
*--------------------------------------------------------------*
> X-UID: 3455
> 
> WE have had problem for one of our Ultra-2 workstaions after upgrading
> its PROM to the version 3.11 which is recommended when installing
> Solaris 7. We have no problem for all but one Ultra-2. After upgrading
> its PROM, when system reboot, it won't recognize the FDDI inerface any
> more. Redo the drvconfig, replace the interface card and even reinstall
> the driver from the CD won't help. When reinstall the driver from CD,
> the installation script complain about failing to attach the driver.
> 
> Any kind of clue will be appreciated. Is there any way I can restore
> the previous version of PROM, such as read from one machine and install
> back to the troubled one?
> 
> Or how can I detect and install the driver step by step by hand?
> 
> *--------------------------------------------------------------*
> * Institute for Computer Applications in Science & Engineering *
> *  Shouben Zhou                  |                             *
> *  ICASE, Mail Stop 132C         |                             *
> *  3 West Reid St. Bldg. 1152    | Phone: (757) 864-6558       *
> *  NASA Langley Research Center  |   Fax: (757) 864-6134       *
> *  Hampton, VA 23681-2199        | Email: szhou@icase.edu      *
> *--------------------------------------------------------------*
> 
> S
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