All the problem came after we shutdown the T5120 for UPS upgrading.
After we powered the server back on, we lost the video output (the screen was showing noisy white background). We had to connect...
I installed Solaris 10 x86 on a HP server, all OK showing on graphic screen.
However it never automatically mount cdrom on boot and one our apps needs to auto-mount the app cdrom on boot to complete...