SunFire x2200 M2 and VMware

This is a VMware on Sun hardware question. Hope it isn't OT.

I'm trying to install VMware ESX 3.0.2 on a SunFire x2200 M2. This sun doc
http://docs.sun.com/source/819-6601-15/index.html#0_76573 says that "The Sun
Fire X2200 M2 now supports the VMWare ESX Server 3.0.2 operating system. The
OS requires BIOS v3B17, which is available on the Tool and Drivers CD v1.5.
You can only install VMWare on systems with the SAS option."

Now, SF x2200 comes with SATA drives. So, what is this "SAS option" here?
Has anyone been able to install ESX on an SF x2200 ? Is there a BIOS option
to make the drives emulate SAS disks? Yes, I have upgraded the BIOS to
version 3B17 but I still can't make the ESX 3.0.2 install CD see any disks.

Thanks for any hints. I will summarize.
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