Product category:
VMEbus Boards and Assemblies
News Release from: Concurrent Technologies | Subject: SC PMC/160
Edited by the Electronicstalk Editorial
Team on 04 December 2003
PMC provides speedy SCSI control
A new low-power PMC-based single-/dual-channel Ultra160 SCSI controller is capable of SCSI synchronous data transfer rates of up to 160Mbyte/s.
A new low-power PMC-based single-/dual-channel Ultra160 SCSI controller is capable of SCSI synchronous data transfer rates of up to 160Mbyte/s The SC PMC/160 provides board options of either one or two independent Ultra160 SCSI channels by taking full advantage of the LSI53C10x0R Ultra160 SCSI controller family
This article was originally published on Electronicstalk on 7 Aug 2008 at 8.00am (UK)
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The SC PMC/160 will: improve CPU utilisation; maximise PCIbus transfer efficiency; maximise SCSI I/O transfer reliability; and maximise SCSI drive compatibility.
Supporting a wide range of operating systems, the SC PMC/160 is suitable for storage applications such as server systems, distributed computing, video on demand or image/signal processing.
To improve CPU utilisation, the Ultra160 SCSI controller features a DMA FIFO and a SCSI Scripts processor with 8Kbyte on-chip Scripts storage.
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To maximise PCIbus transfer performance, the SC PMC/160 PCI interface operates up to 64bit/66MHz, offering up to 528Mbyte/s zero-wait-state data bursts.
Plus, the Scripts instruction storage allows all accesses to remain internal, reducing the time spent on the PCI bus.
To maximise reliable end-to-end SCSI I/O transfers, the controller features SureLink domain validation, cyclic redundancy check (CRC) and asynchronous information protection (AIP).
To maximise SCSI drive compatibility, it provides integrated LVDlink transceivers to support (using auto-sensing) either low voltage differential (LVD) or single-ended (SE) SCSI buses automatically.
The dual channel SC PMC/160-00 and single channel SC PMC/160-01 options can support (narrow and wide) Fast SCSI, Ultra SCSI, Ultra2 SCSI, and wide Ultra160 SCSI standards.
Both options provide a front panel 68-way high density SCSI connector and the dual channel option supports the second channel via the rear I/O P4 PMC connector.
The PMC PCI interface is compatible with both 3.3 and 5V PCI signalling.
The SC PMC/160 can be used with any board level product featuring a standard PMC host interface, including Concurrent Technologies' CompactPCI, VME or Multibus II based PMC host boards.
The SC PMC/160 is fitted with 512Kbyte Flash EPROM, preprogrammed with the SCSI BIOS and onboard configuration utility.
This allows, for example, the SC PMC/160 to be configured to boot the operating system via the SCSI interface.
For ease of integration, many of today's leading operating systems are supported including Linux, Windows 2000, Windows NT, Windows XP Embedded, VxWorks and Solaris.
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