鈩?/div>
P C I - D U A L C H A N N E L U LT R A S C S I M U LT I F U N C T I O N C O N T R O L L E R
BENEFITS
鈥?True PCI multifunction device
provides direct connection from
the PCI bus to two independent
bus mastering Ultra SCSI channels
鈥?One device replaces two,
reducing the number of PCI
bus loads and bus masters in
the system
鈥?Increases throughput up to
twofold for systems that now
operate with single channel SCSI
鈥?High-performance wide Ultra
SCSI solution based on the
proven technology of the
LSI53C875 controller
OVERVIEW
The LSI53C876E controller brings the proven performance of the
LSI53C8XX family of PCI-SCSI controllers to a new performance and integration
level. This single-chip multifunction device connects directly to the PCI bus,
presenting one electrical load, while functioning as a single 32-bit PCI
DMA bus master. It contains two wide Ultra SCSI interfaces for maximum
performance and flexibility.
The LSI53C876E, and its companion host adapters that support both single-
ended and differential SCSI environments, along with a complete set of
SCSI drivers, provide a total SCSI solution in desktop, workstation, server,
and RAID environments.
FEATURES
鈥?Two independent DMA channels
with internal programmable
arbitration
鈥?Motherboard or host adapter
solution 鈥?BIOS can be stored
in system, or in local EPROM or
FLASH memory
鈥?LSI Logic provides complete
software support with BIOS
and drivers
鈥?Allows custom driver development
with LSI Logic SCSI SCRIPTS
鈩?/div>
鈥?208-pin PQFP or 256-pin
BGA package
鈥?Supports IEEE 1149.1 JTAG
boundary scan for improved
testability
鈥?Compliant with Microsoft PC99
廬
PCI FEATURES
鈥?True multifunction device as defined in PCI 2.1 specification 鈥?/div>
Presents only one load to the PCI bus
鈥?Connects directly to the PCI bus without external logic
鈥?Functions as one 32-bit PCI DMA bus master
鈥?Supports 33 MHz PCI bus zero wait state operation
鈥?Supports maximum burst transfer rate of 132 MBps
鈥?Supports shared or separate interrupts on the PCI bus for maximum flexibility
鈥?PCI Subsystem Vendor ID and Subsystem ID support with 2-wire serial
EEPROM port on each channel
鈥?Supports PCI extended access cycles
鈥?Supports 3.3V and 5V PCI interface
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