LSI53C825AJ LSI, LSI53C825AJ Datasheet - Page 89

• Manufacturer Part Number: LSI53C825AJ
• Manufacturer: LSI

Specifications of LSI53C825AJ

• Lead Free Status / RoHS Status: Not Compliant

4.1 Configuration Registers
Chapter 4
Registers
This chapter describes all LSI53C825A registers and is divided into the
following sections:
The Configuration registers are accessible only by the system BIOS
during PCI configuration cycles, and they are not available to the user at
any time. These registers can be accessed by SCRIPTS or the host
processor. The lower 128 bytes hold configuration data while the upper
128 bytes hold the LSI53C825A operating registers, which are described
in
information about lower and upper bytes only applies to the LSI53C825A
and not the LSI53C825AE.
Table 4.1
LSI53C825A/825AE.
All PCI-compliant devices, such as the LSI53C825A, must support the
Vendor
PCI-compliant registers is optional. In the LSI53C825A, registers that are
not supported are not writable and return all zeros when read. Only those
registers and bits that are currently supported by the LSI53C825A are
described in this chapter. Reserved bits should not be accessed.
LSI53C825A/825AE PCI to SCSI I/O Processor
Chapter 5, “SCSI SCRIPTS Instruction Set.”
Section 4.1, “Configuration Registers”
Section 4.2, “Operating Registers”
Note:
ID,
shows the PCI configuration registers implemented by the
Device
The configuration register descriptions provide general
information only, to indicate which PCI configuration
addresses are supported in the LSI53C825A. For detailed
information, refer to the PCI Specification.
ID, Command, and
Status
registers. Support of other
Please note that the
4-1