LSISAS1064 LSI, LSISAS1064 Datasheet - Page 103

• Manufacturer Part Number: LSISAS1064
• Manufacturer: LSI

Specifications of LSISAS1064

• Lead Free Status / RoHS Status: Not Compliant

31
0
0
0
0
0
0
0
Register: 0x08
Host Diagnostic
Read/Write
The Host Diagnostic register contains diagnostic controls and status
information. This register can only be written when bit 7 of this register
is set. This bit is set by writing the correct key sequence to the
Sequence
PCI I/O Space and Memory Space Register Description
Copyright © 2003–2005 by LSI Logic Corporation. All rights reserved.
24 23
0
0
0
0
register.
0
Reserved
This field is reserved.
Write I/O Key
To enable write access to the
Diagnostic Read/Write
ister, perform five data-specific writes to the Write I/O Key.
Writing an incorrect value to the Write I/O Key invalidates
the key sequence and the host must rewrite the entire
sequence. The Write I/O Key sequence is: 0x00FF,
0x0004, 0x000B, 0x0002, 0x0007, and 0x000D. To disable
write access to the
tic Read/Write
perform a write of any value, except the Write I/O Key
sequence, to the Write Sequence register. The Diagnostic
Write Enable bit, bit 7 in the
cates the write access status.
Reserved
This field is reserved.
Clear Flash Bad Signature
Writing a one (1) to this bit clears the Flash Bad Signature
setting within the LSISAS1064. This bit is self-clearing.
Prevent IOC Boot
Setting this bit prevents the IOP from rebooting after a
reset.
Reserved
This field is reserved.
0
0
Host Diagnostic
0
16 15
0
0
0
Address, and
0
Diagnostic Read/Write
0
Address, and
0
0
Host Diagnostic
Host Diagnostic
Diagnostic Read/Write
0
8
0
7
0
Host Diagnostic
0
1
Data,
0
register, indi-
registers,
0
Diagnos-
Write
0 X 0
[31:11]
[31:4]
Data,
[3:0]
reg-
4-35
10
0
9
8