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Could it be that you might need to define a bootstring for proper initialization of your controllers??
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Could it be that you might need to define a bootstring for proper initialization of your controllers??

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Possibly. &nbsp;I don't know that much about SCO; I can use it once it's set up, but have never had to install it before.
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Possibly.  I don't know that much about SCO; I can use it once it's set up, but have never had to install it before.

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That seems obvious now. &nbsp;I used the disks made from the Utility CD originally supplied - it worked fine.<br />
<br />
Many Thanks.
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That seems obvious now.  I used the disks made from the Utility CD originally supplied - it worked fine.

Many Thanks.

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I have a HP Netserver LH Pro running SCO openserver enterprise 5.0.4, which is has to be upgraded to 5.0.5. &nbsp;When I place the upgrade CD in it boots up, then comes up with the message<br />
<br />
...<br />
%adaptor 0xF800-0xF8FF 15 - type=alad ha=0 bus=0 id=7 fts=sto<br />
%adaptor 0xF4FF-0xF4FF 15 - type=alad ha=1 bus=0 id=7 fts=sto<br />
%tape - - - type=S ha=0 id=2 lun=0 bus=0 ht=alad<br />
%cdrom - - - type=S ha=0 id=5 lun=0 bus=0 ht=alad<br />
Warning: hd: no root disk controller found<br />
...<br />
<br />
If you continue, it allows a new install but not an upgrade. &nbsp;How can I make it see the current install to allow an upgrade?
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I have a HP Netserver LH Pro running SCO openserver enterprise 5.0.4, which is has to be upgraded to 5.0.5.  When I place the upgrade CD in it boots up, then comes up with the message

...
%adaptor 0xF800-0xF8FF 15 - type=alad ha=0 bus=0 id=7 fts=sto
%adaptor 0xF4FF-0xF4FF 15 - type=alad ha=1 bus=0 id=7 fts=sto
%tape - - - type=S ha=0 id=2 lun=0 bus=0 ht=alad
%cdrom - - - type=S ha=0 id=5 lun=0 bus=0 ht=alad
Warning: hd: no root disk controller found
...

If you continue, it allows a new install but not an upgrade.  How can I make it see the current install to allow an upgrade?

Upgrading SCO:  no root disk controller found

Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commercial flavors and licensees, including FreeBSD, Hewlett-Packard’s UX, IBM AIX and Apple Mac OS-X. Apart from its command-line interface, most UNIX variations support the standardized X Window System for GUIs, with the exception of the Mac OS, which uses a proprietary system.