See this post
http://communities.vmware.com/thread/434953?tstart=0
boot from the floppy-image attached in that post - that should have a boot.ini that fits your case.
If that can make you boot - you can adjust your boot.ini
This one is fine for a VM with one scsi-disk using the first scsi-controller
[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="2k3 hd0 part 1" /noexecute=optout /sos
multi(0)disk(0)rdisk(0)partition(2)\WINDOWS="2k3 hd0 part 2" /noexecute=optout /sos
multi(0)disk(0)rdisk(0)partition(3)\WINDOWS="2k3 hd0 part 3" /noexecute=optout /sos
multi(0)disk(0)rdisk(0)partition(4)\WINDOWS="2k3 hd0 part 4" /noexecute=optout /sos