[CentOS] Snag installing CentOS in a VirtualBox VM

I spent most of the evening trying to boot a new install of CentOS in a
VirtualBox VM.  The VM recognizes the install DVD, runs it, asks for me to
boot it and I type in <return> (or any number of other combinations, all of
which fail in exactly the same way) and it continues to run up to the point
shown in the attached screenshot.

I've tried numerous different combinations of device alternatives, even
turned off the virtual NIC, and no joy.  I tried marking it as a Red Hat
Linux and as Other Linux - same results.

I know this isn't a VB forum, but I'm just wondering....

Thanks.

Mark
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