Acceleport 8r 920 PCI install on Solaris 10 64-bit

How to install driver on Solaris 10 64-bit kernel?
I download driver for Solaris 10, but his 32 bit, Solaris don’t install this driver.
Where find this driver ?

You will want to contact Digi Tech. Support for a pre-release driver candidate supporting 64 bit Solaris 10.

http://www.digi.com/support/eservice/eservicelogin.jsp