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Vendor id, Device id, Command – Avago Technologies LSI53C1020 User Manual

Page 81

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PCI Configuration Space Register Descriptions

4-3

Version 2.4

Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.

Register: 0x00–0x01

Vendor ID
Read Only

Vendor ID

[15:0]

This 16-bit register identifies the manufacturer of the
device. The Vendor ID is 0x1000.

Register: 0x02–0x03

Device ID
Read Only

Device ID

[15:0]

This 16-bit register identifies the particular device. The
default Device ID is 0x0030.

Register: 0x04–0x05

Command
Read/Write

The Command register provides coarse control over the PCI function’s
ability to generate and respond to PCI cycles. Writing a zero to this
register logically disconnects the LSI53C1020 PCI function from the PCI
bus for all accesses except configuration accesses.

15

0

Vendor ID

0

0

0

1

0

0

0

0

0

0

0

0

0

0

0

0

15

0

Device ID

0

0

0

0

0

0

0

0

0

0

1

1

0

0

0

0

15

10

9

8

7

6

5

4

3

2

1

0

Command

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

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