PCI Configuration Registers
4-7
Register: 0x08
Revision ID (Rev ID)
Read Only
RID
Revision ID
[7:0]
This register contains the current revision level of the
device.
Registers: 0x09–0x0B
Class Code
Read Only
CC
Class Code
[23:0]
This 24-bit register is used to identify the generic function
of the device. The upper byte of this register is a base
class code, the middle byte is a subclass code, and the
lower byte identifies a specific register level programming
interface. The value of this register is 0x010000, which
identifies a SCSI controller.
Register: 0x0C
Cache Line Size
Read/Write
CLS
Cache Line Size
[7:0]
This register specifies the system cache line size in units
of 32-bit words. The value in this register is used by the
device to determine whether to use Write and Invalidate
or Write commands for performing write cycles, and
7
0
RID
x
x
x
x
x
x
x
x
23
0
CC
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
0
CLS
0
0
0
0
0
0
0
0
Summary of Contents for LSI53C895A
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