Diagnostic read/write data, Diagnostic read/write, Data – Avago Technologies LSI53C1020 User Manual
Page 116: Diagnostic, Read/write data, Register: 0x10
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PCI Host Register Description
Version 2.4
Copyright © 2001–2004 by LSI Logic Corporation. All rights reserved.
Register: 0x10
Diagnostic Read/Write Data
Read/Write
The
register reads or writes dword locations
on the LSI53C1020 internal bus. This register is only accessible through
PCI I/O Space and returns 0xFFFFFFFF if read through PCI Memory
Space. The host can enable write access to this register by writing the
correct Write I/O Key to the
register and setting bit 4,
the Diagnostic Write Enable bit, of the
register. A write
of any value other than the correct Write I/O Key to the
register disables write access to this register.
Diagnostic Read/Write Data
[31:0]
Using this register, the LSI53C1020 reads/writes data at
the address that the
reg-
ister specifies.
31
0
Diagnostic Read/Write Data
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