LSI MegaRAID 320 User Manual page 18

Storage adapters
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1-2
storage adapter has two VHDCI 68-pin external SCSI connectors
and two HDCI 68-pin internal SCSI connectors.
The MegaRAID 320-2X storage adapter (dual-channel) has one
LSI53C1030 controller chip that controls two SCSI channels. The
storage adapter has two VHDCI 68-pin external SCSI connectors
and two HDCI 68-pin internal SCSI connectors. Note that the
MegaRAID 320-2X is a PCI-X controller.
The MegaRAID 320-4X storage adapter (quad-channel) has two
LSI53C1030 controller chips that control the four SCSI channels. The
storage adapter has four VHDCI 68-pin external SCSI connectors
and two HDCI 68-pin internal SCSI connectors. Note that the
MegaRAID 320-4X is a PCI-X controller.
The MegaRAID 320 storage adapters support a low voltage differential
(LVD) or a single-ended (SE) SCSI bus. With LVD, you can use cables
up to 12 meters long. Throughput on each SCSI channel can be as high
as 320 Mbytes/s.
You can install the MegaRAID 320 storage adapters in PCI-X computer
systems with a standard bracket type. With these adapters in your PCI
or PCI-X system, you can connect SCSI devices over a SCSI bus.
For Ultra320 SCSI performance, you must connect only LVD devices to
the bus. Do not mix SE with LVD devices, or the bus speed will be limited
to the slower SE (Ultra SCSI) SCSI data transfer rates. Do not connect
a high voltage differential (HVD) device to the SCSI bus because the chip
on the storage adapter must be reset to return to LVD or SE mode once
the HVD device is removed.
The MegaRAID 320 storage adapters support major operating systems,
such as Windows (NT 4.0, 2000, Server 2003, and XP), Red Hat Linux,
SuSe Linux, Novell NetWare, SCO OpenServer, and UnixWare. Other
software support ensures data integrity by intelligently testing the
network before completing negotiation.
Note:
The MegaRAID 320-1 and 320-2 adapters support
Windows NT 4.0, but MegaRAID 320-2X and 320-4X do
not. Refer to the MegaRAID Device Driver Installation
User's Guide for driver installation instructions.
The MegaRAID 320 storage adapters use Fusion-MPT™ architecture for
all major operating systems for thinner drivers and better performance.
Overview
Copyright © 2003 by LSI Logic Corporation. All rights reserved.

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