Avago Technologies LSI53C876E - Manual (Page 16)

1-2 General Description
The LSI53C876 reduces the requirement for system BIOS support and
PCI bus bandwidth. It also supports the Wide Ultra SCSI standard. The
LSI53C876 performs Wide Ultra SCSI transfers or Fast SCSI transfers,
and it improves performance by optimizing PCI bus utilization.
Figure 1.1
illustrates a typical LSI53C876 system and Figure 1.2 illustrates a typical
LSI53C876 board application.
Figure 1.1 Typical LSI53C876 System Application
Fixed Disk, Optical Disk,
Printer, Tape, and Other
Peripherals
Fixed Disk, Optical Disk,
Printer, Tape, and Other
Peripherals
One PCI Bus Load
PCI Graphic Accelerator
PCI Sound Card
Memory
Controller
Memory
PCI Bus
Interface
Controller
Central
Processing
Unit
(CPU)
Typical PCI Computer
System Architecture
Processor Bus
LSI53C876 PCI
to Wide Ultra SCSI
Function A
and
LSI53C876 PCI
to Wide Ultra SCSI
Function B
SCSI Bus
SCSI Bus