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Base address register four (bar4) (scripts ram), Reserved – Avago Technologies LSI53C1000R User Manual

Page 123

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PCI Configuration Registers

4-11

Version 2.2

Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.

Registers: 0x20–0x23

Base Address Register Four (BAR4) (SCRIPTS RAM)
Read/Write

BAR4

Base Address Register Four

[31:0]

This base address register, in conjunction with

Base Address Register Three (BAR3) (SCRIPTS RAM)

,

maps the SCRIPTS RAM into memory space and
represents the upper 32 bits of the memory address. The
default value of this register is 0x00000000. The
LSI53C1000R requires 8192 bytes of memory space for
SCRIPTS RAM. For detailed information on the operation
of this register, refer to the PCI 2.2 specification.

Registers: 0x24–0x27

Reserved

This register is reserved.

Registers: 0x28–0x2B

Reserved

This register is reserved.

31

0

BAR4

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

31

0

R

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

31

0

R

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

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