beautypg.com

Reserved, Capabilities pointer, Interrupt line – Avago Technologies LSI53C896 User Manual

Page 126: Register: 0x34, Register: 0x3c

background image

4-14

Registers

Version 3.3

Copyright © 1998–2003 by LSI Logic Corporation. All rights reserved.

Register: 0x34

Capabilities Pointer
Read Only

CP

Capabilities Pointer

[7:0]

This register indicates that the first extended capability
register is located at offset 0x40 in the PCI Configuration.

Registers: 0x35–0x3B

Reserved

Register: 0x3C

Interrupt Line
Read/Write

IL

Interrupt Line

[7:0]

This register communicates interrupt line routing
information. POST software writes the routing information
into this register as it configures the system. The value in
this register tells which input of the system interrupt
controller(s) the device’s interrupt pin is connected to.
Values in this register are specified by system architecture.

7

0

CP

0

1

0

0

0

0

0

0

7

0

IL

0

0

0

0

0

0

0

0