Win’00 Server wont recognize SCSIadapter

I just purchased a dual-processor Pentium III server that has two 20 GB drives on a new state of the are SCSI adapter, 512 MB of RAM, NIC, and a ISDN adapter for high-speed internet connectivity.

When I started the installation, Windows 2000 Server did not recognize the SCSI adapter and dis storage attached to the adapter.

What steps should I take to solve the problem?