It was sampled in late 1994 and was introduced in January 1995 at 266 MHz .
First silicon of the Alpha 21164 was produced in February 1994 , and the OpenVMS , Digital UNIX and Windows NT operating systems were successfully booted on it .
Alpha 21164 was sampled in late 1994 and was introduced in January 1995 at 266 MHz .
First silicon of the Alpha 21164 was produced in February 1994 , and the OpenVMS , Digital UNIX and Windows NT operating systems were successfully booted on it .