- The minimum OS is Solaris 2.5.1 HW: 11/97 or 2.6 HW: 3/98.
- The Ultra 5/10 PGX8 was not shipped with 333MHz Modules.
- This module shipped with System Board 375-0066 before July 1999.
- This module shipped with System Board 375-0079 after July 1999.
- This module is compatible with System Board 375-0115.
This CPU was fully tested in a Sun Ultra 5 machine.