Intel G640T CM8062301002204 User Manual

Datasheet, Volume 2

265

This register reports the architecture version supported. Backward compatibility for the 
architecture is maintained with new revision numbers, allowing software to load 
remapping hardware drivers written for prior architecture versions.

A8–ABh

IEADDR_REG

Invalidation Event Address Register

0000_0000h

RW-L

AC–AFh

IEUADDR_REG

Invalidation Event Upper Address Register

0000_0000h

RW-L

B0–B7h

RSVD

Reserved

0h

RO

B8–BFh

IRTA_REG

Interrupt Remapping Table Address Register

0000_0000_

0000_0000h

RW-L

C0–FFh

RSVD

Reserved

0h

RO

100–107h

IVA_REG

Invalidate Address Register

0000_0000_

0000_0000h

RW

108–10Fh

IOTLB_REG

IOTLB Invalidate Register

0000_0000_

0000_0000h

RW, RO-V, 

RW-V

110–1FFh

RSVD

Reserved

0h

RO

200–207h

RSVD

Reserved

0000_0000_

0000_0000h

ROS-V

208–20Fh

RSVD

Reserved

0000_0000_

0000_0000h

ROS-V, RO, 

RW1CS

210–FEFh

RSVD

Reserved

0h

RO

FF0–FF3h

RSVD

Reserved

0000_0000h

RO-KFW, 

RW-KL, 

RW-L, RO

31:8

RO

0h

7:4

RO

0001b

Uncore

Major Version number (MAX)
This field indicates supported architecture version.

3:0

RO

0000b

Uncore

Minor Version number (MIN)
This field indicates supported architecture minor version.