Command, Device id – Avago Technologies LSI53C1010R User Manual
Page 121
PCI Configuration Registers
4-3
Version 2.2
Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.
Registers: 0x02–0x03
Device ID
Read Only
DID
Device ID
[15:0]
This 16-bit register identifies the particular device. The
LSI53C1010R Device ID is 0x0021.
Registers: 0x04–0x05
Command
Read/Write
The SCSI Command Register provides coarse control over a device’s
ability to generate and respond to PCI cycles. When a zero is written to
this register, the LSI53C1010R is logically disconnected from the PCI bus
for all accesses except configuration accesses.
R
Reserved
[15:9]
SE
SERR/Enable
8
When this bit is set, the LSI53C1010R enables the
SERR/ driver. SERR/ is disabled when this bit is cleared.
The default value of this bit is zero. This bit and bit 6 must
be set to report address parity errors.
R
Reserved
7
EPER
Enable Parity Error Response
6
When this bit is set, the LSI53C1010R detects parity errors
on the PCI bus and reports these errors to the system.
Only data parity checking is affected with this bit. The
LSI53C1010R always generates parity for the PCI bus.
15
0
DID
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
1
15
9
8
7
6
5
4
3
2
1
0
R
SE
R
EPER
R
WIE
R
EBM
EMS
EIS
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0