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INIC-950

The Initio INIC-950, a single-chip PCI to Ultra/Ultra Wide SCSI host adapter, provides a complete SCSI solution for PCI motherboard applications. The Initio INIC-950 supports the latest UltraSCSI and UltraWide SCSI standards, transferring data at up to 40 MBytes/second and takes advantage of the 133 MBytes/second burst rate of the PCI bus to provide superb I/O performance. INIC-950 supports a wide range of popular operating systems and has been extensively tested over a large matrix of peripherals and systems. In addition to the 16-bit Ultra SCSI interface and 32-bit PCI 2.1 compliant interface, INIC-950 has a memory interface to access SEEPROM and Flash. INIC-950 has a SCSI protocol processor which handles all of the SCSI bus phases. The chip also provides support for external SCSI bus terminators and SCAM level 1. INIC-950 has an on chip advanced SCSI I/O cell which is capable of adjusting the slew rate on the SCSI signals to ensure signal integrity over different cabling environments. INIC-950 is available in a 160-pin PQFP.

Features

SCSI Interface

  • Dedicated SCSI processor for handling SCSI operations

  • SCSI transfer rates from 5 MB/s Asynchronous SCSI to 40 MB/s Synchronous Ultra Wide SCSI

  • Supports both auto and programmable SCSI termination

  • Supports Command Tag Queuing and Disconnect/Reconnect

  • Advanced SCSI I/O cell capable of adjusting the SCSI signal slew rate

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PCI 32-bit Interface:

  • PCI 2.1 Compliant, burst transfer rates of 133 MB/s

  • Built-in S/G execution engine

Additional Features

 

  • Support for SEEPROM and FLASH

  • Plug & Play, allows user to change configuration without any need for jumpers

  • On-chip power managment features to decrease the power consumption

  • Full driver support for all of the major Operating Systems

  • Provides ASPI manager for DOS, Windows and Netware

  • BIOS support for DOS and Windows application without driver involvement

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