Intel® 815 Chipset: Graphics Controller PRM, Rev 1.0

R

16.2.2.IER—Interrupt Enable Register

Address Offset:

020A0h

Default Value:

0000h

Access:

Read/Write

Size:

16 bits

Individual enables for each interrupt described above. A disabled interrupt will still appear in the Interrupt Identity Register to allow polling of interrupt sources.

15

 

 

14

13

12

11

10

9

8

 

 

HW

 

Reserved

Sync

Pri Dply

Sec Dply

Overlay 0

Overlay 1

 

 

Detect

 

 

 

Status

Flip

Flip

Flip

Flip

 

 

Error

 

 

 

Toggle

Pending

Pending

Pending

Pending

 

 

Master

 

 

 

 

 

(Rsvd in

 

(Rsvd in

 

 

 

 

 

 

 

 

 

GMCH)

 

GMCH)

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

6

5

4

3

2

1

0

 

 

Pri Dply

Pri Dply

Reserved

Reserved

Reserved

Reserved

User

Breakpoint

 

 

VBLANK.

Event

 

 

 

 

Defined

 

 

 

 

 

 

 

 

 

 

 

Interrupt

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit

 

 

 

 

 

Description

 

 

 

 

 

 

 

 

 

 

 

 

15:0

 

Interrupt Enables. (See Table 17.)

 

 

 

 

 

 

 

 

1 = Enable.

 

 

 

 

 

 

 

 

 

 

0 = Disable.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

323

Page 323
Image 323
Intel 815 manual IER-Interrupt Enable Register, Interrupt Enables. See Table