Eagle Stream Platform

Data Sheet

ID Date Version Classification
814095 04/04/2025 001 Public
Document Table of Contents

CPUID: CPUID

This location contains the CPUID, Processor Type, Family, Model and Stepping. The CPUID field is a copy of the results in EAX[15:0] from Function 1 of the CPUID instruction. Writes to this register have no effect. Data format is hexadecimal.

Offset: 1Ah-19h
Bit Description
15:13 Reserved

00b-11b: Reserved

12:12 Processor Type

0b-1b: Processor Type

11:8 Processor Family

0h-Fh: Processor Family

7:4 Processor Model

0h-Fh: Processor Model

3:0 Processor Stepping

0h-Fh: Processor Stepping