FEA TURES (Continued)
• Hardware handling of SCSI bus
phase mismatches reduces CPU
utilization
• Interrupt disabling while
SCRIPTS are running
• Supports LSI Logic’s
Nextreme™ RAID
• SCSI Interrupt Steering Logic
(SISL) alternate interrupt routing
for RAID applications
• 64-bit, 33 MHz PCI Bus
Mastering Interface
• Theoretical 264 MBps zero
wait state transfer rate
• Dual Address Cycle (DAC)
supported for 64-bit addressing
• 40 MHz SCSI clock
• JTAG boundary scan
• Flash and local memory interface
• Packaged in a 329 PBGA
• Auto-download of PCI
Subsystem and Subsystem
Vendor ID Register
• PCI Power Management
Levels with DO-D3 support,
Extended Capabilities Registers
Figure 2 describes a general application of the LSI53C896 allowing it
to operate with SDMS and legacy software. Note that each SCSI channel
can attach up to 15 Ultra2 SCSI peripherals to a 12 meter cable with a
SCSI transfer rate of up to 80 MBPS.
Figure 2. LSI53C896 general application
PCI-to-Ultra2 SCSI
Fixed disk, optical disk, printer,
tape, and other peripherals
PCI-to-Ultra2 SCSI
PCI Graphic Accelerator
PCI Fast Ethernet
Memory Controller
Memory
Multifunction Controller
PCI Bus
Interface
Controller
(CPU)
PCI Bus
Typical PCI Computer System
Architecture
SCSI Bus
Fixed disk, optical disk, printer,
tape, and other peripherals
SCSI Bus
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