[Sunhelp] Problem afterinstalling 2.5.1in ULTRA 10

[SHIVAGNANA SUBRAMANIAN (CSE-HYD-OCS)]

HI  all
I hv installed SUN ULTRA 10 ( ULTRA SPARC II i -440MHz processor) with
solris 2.5.1
when the m/c reboots after the installation is over, the follwing
erroroccurs.
errors:
cannot load drivers for /pci at 1f,0/pci at 1,1/ide at 3,sd0,0
cannot load root file system .


and then it returns back to ok prompt and says " press go to resume"
if press go in ok prompt again m/c getting rebooted and same error occurs

2.5.1 is a 11/97 version and so i hv booted the m/c with Operating
Environment CD FEB 2000 version
Plz any one can help it out.


thanks and regds
siva c.